ManTech seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in Chantilly, VA. This is a position requiring onsite work at customer locations within the local area (up to 10% travel).Responsibilities include but are not limited to:Designing and integrating comprehensive network, VoIP, VTC, and data center solutions, adhering to security guidelines and customer specifications to ensure robust and secure communication infrastructures.Managing the end-to-end integration of black and red networks, overseeing design, installation, maintenance, and coordination of a growing network with multiple external services to support operational needs.Diagnosing and resolving complex issues related to customer sites, telecommunications circuits, routing, switching, VoIP, VTC, network encryption devices, and Cisco data center/security to maintain network stability and performance.Developing and maintaining detailed documentation, diagrams, and standard operating procedures to facilitate knowledge sharing and efficient network management.Providing expert guidance, training, and support to network administrators, service desk personnel, and junior engineers to enhance team capabilities and operational effectiveness.Minimum Qualifications:Bachelor’s degree in Computer Science, Network Engineering, or equivalent field, demonstrating a strong academic foundation in related disciplines.8-10 years of extensive experience in networking, including VoIP, VTC, data circuits, network encryption devices (e.g., General Dynamics TACLANE), and virtualization technologies.Proficiency in dynamic routing protocols such as OSPF and BGP, with a deep understanding of MPLS and DMVPN Hub and Spoke technology for efficient network routing.DoD 8140 IAT Level II certification: Security+CE and Computing Environment (CE) certification in Cisco technology (CCNA Voice) required.Valid US Driver's License with the ability to travel up to 10% locally to customer sites.Preferred Qualifications:Cisco Collaboration, Data Center, or Security certifications, indicating advanced expertise and specialized knowledge in relevant Cisco technologies.Clearance Requirements:Must have a current/active TS/SCI with the ability to obtain a CI polygraph.Physical Requirements:The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations

Who We Are: We're powering a cleaner, brighter future.Exelon is leading the energy transformation, and we're calling all problem solvers, innovators, community builders and change makers. Work with us to deliver solutions that make our diverse cities and communities stronger, healthier and more resilient.We're powered by purpose-driven people like you who believe in being inclusive and creative, and value safety, innovation, integrity and community service. We are a Fortune 200 company, 19,000 colleagues strong serving more than 10 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).In our relentless pursuit of excellence, we elevate diverse voices, fresh perspectives and bold thinking. And since we know transforming the future of energy is hard work, we provide competitive compensation, incentives, excellent benefits and the opportunity to build a rewarding career.Are you in Primary Purpose: PRIMARY PURPOSE OF POSITIONThe Sr OT Systems Security Engineer (OTSSE) will support implementation of the Operational Technology (OT) Security Governance program and provide proactive cyber security risk management. The OTSSE will act as a liaison to OT teams, Security Architects and other CISS teams to effectively communicate and lead OT security engineering design specification, architecting and implementing effective OT security solutions. The OTSSE will also assist with vulnerability mitigation plans, incident response, and security event monitoring engineering support. The OTSSE will ensure the implementation of OT security measures in accordance with established procedures to ensure safety, reliability, confidentiality, integrity, availability, authentication, and non-repudiation, and will perform OT security reviews to identify gaps in security design and architecture.Note: This is a hybrid position (in-office with remote flexibility). Employees are required to be in office at least three days per week (Tuesday, Wednesday, and Thursday). This position must sit out of our Baltimore, MD, Newark, DE, Owings Mills, MD or Kennett Square, PA office. This position is NOT eligible for relocation assistance. Primary Duties: PRIMARY DUTIES AND ACCOUNTABILITIESProvide analytical and technical security recommendations to other team members, technical teams, and business clients, including: Provide OT cyber security guidance to leadership. Work with stakeholders to design OT security design specifications and architectures. Provide input to implementation plans and standard operating procedures as they relate to OT cyber security.Develop specific OT cyber security countermeasures and risk mitigation strategies for systems and/or applications.Work closely with technical teams to implement effective security configurations/requirements, including:Analyze and design security measures to resolve OT vulnerabilities, mitigate risks, and recommend security changes to system or system components as needed.Mitigate/correct security deficiencies identified during Factory Acceptance Testing, Site Acceptance Testing, and/or recommend risk acceptance for the appropriate senior leadership. Verify and update security engineering documentation reflecting the application/system security design features. Verify minimum security design specifications are in place for OT assets to support security event monitoring and incident response.Work closely with the R&D and innovation teams to ensure secure implementation of OT systems into production. (Assist with vulnerability mitigation planning, incident response and security event monitoring engineering activities for security and compliance requirementsConduct engagement and provide OT cyber security training to OT personnel Job Scope: JOB SCOPEThe Senior Operational Technology Systems Security Engineer (OTSSE) will work closely (and primarily) with business OT teams, IT/Utility communications, Engineering and OT clients to implement effective security configurations and requirements; provide analytical and technical security recommendations to other team members, technical teams, and business clients; support OT Security Governance efforts; meet with Exelon business clients and management to help specify and negotiate system/network/application security requirements; work with the R&D and innovation teams to ensure secure implementation of OT systems into production; develop OT security solutions to improve security event monitoring and detection with CISS standards; actively participate in relevant industry OT cyber security workgroups and forums; act as a liaison to business OT teams, Security Architect and IT/UComm, and OT stakeholders to effectively communicate and lead OT security engineering design specification, architecting and implementing effective OT security solutions; develop documentation to support ongoing OT security systems operations, maintenance, and problem resolution; advise on vulnerability mitigation plans, and develop security event monitoring solutions to improve incident detection; work with the Security Policy and Risk Office to assist with the identification, analysis, and remediation of Exelon OT cyber security risk Minimum Qualifications: MINIMUM QUALIFICATIONSBachelors Degree in Computer Science, engineering, or a related discipline, and typically 5 or more years of solid, diverse experience in OT/ICS, or equivalent combination of education and work experience. At least 3 years of demonstrated experience in the energy sectorAt least 5 years of demonstrable security engineering or related experience, including: Knowledge of disaster recovery continuity of operations plans Knowledge of Risk Management Framework (RMF) requirements Knowledge of incident response and handling methodologies. Knowledge of network security architecture concepts including topology, protocols, components, and principles Knowledge of authentication, authorization, and access control methods. Knowledge of cryptography and cryptographic key management concepts Knowledge of database systems Knowledge of embedded systems Knowledge of system fault tolerance methodologies Knowledge of how system components are installed, integrated, and optimized Knowledge of ICS supply chain security and risk management policies, requirements, and procedure Knowledge of human-computer interaction principle Knowledge of cybersecurity principles and organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation) Ability to design architectures and frameworks Skill in applying cybersecurity methods, such as firewalls, demilitarized zones, and encryption Knowledge of network access, identity, and access Knowledge of network protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services Knowledge of network design processes, to include understanding of security objectives, operational objectives, and tradeoffs Knowledge of parallel and distributed computing concepts Knowledge of key concepts in security management (e.g., Release Management, Patch Management) Knowledge of configuration management techniquesComprehensive understanding of change management techniques associated with new technology implementation.Demonstrated experience producing an economic business case.Demonstrated leadership ability.Proven analytical, problem solving, and consulting skills.Excellent communication skills and the proven ability to work effectively with all levels of OT and business management. Preferred Qualifications: PREFERRED QUALIFICATIONSGraduate degree in cyber security, engineering, or related area of expertise.Relevant security certifications (CISSP, CISM, GICSP)At least 3 years of experience as part of an electric utilityAppropriate technical skills and in-depth knowledge of business unit functions and applications, including:Demonstrated experience and subject matter knowledge of SCADA, ICS, Distribution Automation, Smart Grid, DMS, and ECS systems architecture.Demonstrated experience and subject matter knowledge of security vulnerabilities and mitigation strategies for industrial SCADA protocols such as DNP3, IEC-61850, Modbus, Tejas V, CDC 2, Vancomm, etc.Demonstrated experience in security risk assessments, requirements development, secure design analysis, architecture assessment and development, and security testing of applications and systems.Extensive experience developing, evaluating, and implementing OT security architectures, technologies, standards, and practices to secure applications and OT.Demonstrated knowledge and experience in the implementation of governance frameworks and security risk management processes, such as NIST, ISO, ISA99, IEC 62443 guidelines and standards.Demonstrated experience in addressing regulatory compliance for the security requirements in applicable laws and regulations, such as NERC CIP, CFATS, or API 1164.Demonstrated experience and subject matter knowledge in cyber security for applications, web architectures, operating systems, databases, and networks.Knowledge and experience in application security standards, methodologies, and technologies.Solid capability to assess network architectures and operating systems for vulnerabilities and develop appropriate security countermeasures.Solid knowledge and experience with OT security aspects of operating systems, embedded operating systems, Programmable Logic Controllers (PLC), Remote Terminal Units (RTU), and Protection and Control relays.Experience in assessing security applications and systems, such as firewalls, security appliances, IDS/IPS, SSL or TLS, IPSec.Ability to demonstrate analytical skills, technical knowledge, and practical application of cyber and information security principles to business leaders and technical staff. Benefits: BenefitsAnnual salary will vary based on a candidate’s skills, qualifications, experience, and other factors: $102,400.00/Yr. – $140,800.00/Yr. Annual Bonus for eligible positions: 15% 401(k) match and annual company contributionMedical, dental and vision insuranceLife and disability insuranceGenerous paid time off options, including vacation, sick time, floating and fixed holidays, maternity leave and bonding/primary caregiver leave or parental leave Employee Assistance Program and resources for mental and emotional supportWellbeing programs such as tuition reimbursement, adoption and surrogacy assistance and fitness reimbursementReferral bonus programAnd much moreNote: Exelon-sponsored compensation and benefit programs may vary or not apply based on length of service, job grade, job classification or represented status. Eligibility will be determined by the written plan or program documents.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Artificial IntelligenceJob Qualifications:Skills:Artificial Intelligence (AI), Keras, Language Models, PyTorch, TensorflowCertifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:Seize your opportunity to make a personal impact as an Artificial Intelligence and Machine Learning Engineer. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.At GDIT, people are our differentiator. As a Machine Learning Engineer, you will help ensure today is safe and tomorrow is smarter.HOW A MACHINE LEARNING ENGINEER WILL MAKE AN IMPACTDevelop and adapt Large Language Models (LLM) and Natural Language Processing (NLP) methodologies using artificial intelligence and machine learning (AI/ML) frameworks and programming languages to create new capabilities to improve analytic workflows and address key intelligence questions.WHAT YOU’LL NEED TO SUCCEED:Education:Bachelor or Master’ Degree in an IT disciplineExperience: 8+ yearsTechnical skills:Demonstrated experience tuning neural networks, such as LLMs, on custom data sets and applying results to specific use cases.Demonstrated professional or academic experience developing models and ensembles in the AI/ML space, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance.Demonstrated professional or academic experience using Python or R.Demonstrated professional or academic experience with deep learning frameworks such as PyTorch, Tensorflow, or Keras.Demonstrated professional or academic experience and proficiency with SQL to include using common table expressions, set operations, aggregated functions and nested subqueries.Demonstrated professional or academic experience with version control systems such as Github and Jenkins.Demonstrated experience leveraging GPUs for accelerated computing.Security Clearance Level: TS/SCI with PolygraphLocation: McLean, VA, On Customer SiteSkills and abilities desired:Demonstrated professional or academic experience with the HuggingFace Transformers library and hub.Demonstrated experience with cloud computing development and architecture.Demonstrated experience with front-end web development frameworks such as Flask.Demonstrated experience creating machine learning models that conduct text classification and topic modeling in Python using standard machine learning (SciKit Learn-) or deep learning models.Demonstrated experience developing applications for semantic search.Demonstrated professional or academic experience and proficiency with Tableau to produce visualizations and dashboards.Demonstrated academic or professional experience communicating methodological choices and model results.Demonstrated experience with verification and validation test benches.Demonstrated experience with Explainable AI (XAI) techniques.Demonstrated experience with ONNX (Open Neural Net Exchange).US Citizenship RequiredGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#GDITEnhanced2025#JETThe likely salary range for this position is $158,855 - $214,921. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA McLeanAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Description Are you a motivated Cyber Software Engineer with technical hands-on knowledge of mission focused systems Are you an ethical hacker ready to apply your knowledge to National Security Join us at the Leidos Innovations Center, Information and Data Science Division, with a group of highly skilled and innovative individuals and a variety of exciting R&D programs.As a Cyber Software Engineer, you will design and implement sophisticated low-level networking and embedded software systems in support of national security missions. You will work in a dynamic, high-impact environment requiring deep knowledge of network stacks, system internals, and offensive/defensive cyber techniques. As a senior member of the team, you will contribute to architectural decisions and mentor junior engineers.This position will support multiple programs and projects as well as being responsible for building/supervising a core group of software engineers as well as defining and maturing the organization’s software development processes.Primary Responsibilities:Architect and develop software for cyber tools targeting networked and embedded systems in contested environments.Design, develop, and maintain custom tools and frameworks to support reverse engineering, vulnerability analysis, and exploitation efforts.Conduct static analysis, dynamic analysis, and advanced fuzzing techniques on embedded devices and network protocols to identify attack vectors, enhance resilience, and optimize performance.Collaborate with cyber analysts, mission operators, and hardware teams to deploy cyber capabilities, ensure operational security (OPSEC), and support mission execution.Produce technical documentation, mentor junior engineers, and contribute to knowledge transfer within cyber operations teams.Stay ahead of emerging cyber threats, adversarial tactics, and offensive cybersecurity advancements.Lead efforts to develop the Software Development, Integration, and testing processes using state-of-the-art industry best practicesLead, build, mentor, and supervise a group of Software EngineersBasic Qualifications:Bachelor’s degree in computer science, Computer Engineering, Electrical Engineering, or a closely related technical field.Minimum of 8 years of experience, with a significant portion focused on network defense and cyber security for embedded systems; master’s with 6 – 10 years of prior relevant experience. May possess a Doctorate in technical domain.Expertise in computer architecture, memory management, and common vulnerability classes (CWEs).Proven expertise in C and C++ programming and strong proficiency in Rust.Hands-on experience with TCP/IP networking stack development and strong understanding of network protocols and concepts from a security perspective.Deep understanding of operating system internals.Experience developing software interacting directly with hardware components and proficiency with embedded development tool chains.Working knowledge with AI/MLExcellent analytical, problem-solving, and critical thinking skills and ability to work independently on complex tasks and lead technical efforts.Strong technical writing and communication skills.Defining software development processes and mentoring junior software development engineers.Strong understanding of sound software development principles and practices and ability to define software development processes.Ability to obtain and maintain a DoD Secret clearance. (U.S. Citizenship is required)Preferred Qualifications:Experience with wireless protocols (Wi-Fi, Bluetooth, Zigbee, SDR) and their security implications.Experience with Android Mobile Operating Systems and Mobile Networks.Experience developing exploits for various architectures (ARM, MIPS, x86, PPC).Experience with reverse engineering tools (IDA Pro, Ghidra, Binary Ninja, etc.).Knowledge of cryptographic principles and common implementation weaknesses.Experience with hardware-level analysis and attack techniques (e.g., side-channel analysis, fault injection).Contributions to the security community (e.g., published research, CVEs, conference presentations).Experience with developing secure, resilient solutionsExperience with formal methodsExperience with developing/integrating/testing embedded applicationsExperience with P4 programming languageActive DoD Secret clearance is preferredOriginal Posting:May 6, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $104,650.00 - $189,175.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

ManTech seeks a motivated, career and customer-orientedSenior Deployment Engineerto join our team in Chantilly, VA. This is an onsite position.Responsibilities include but are not limited to:Configuration and installation of remote customer networks and Site surveysGathering customer requirementsPlacing circuit ordersInterfacing with the customer throughout the deployment processCreate and implement router and switch ConfigurationsCreate and maintain Visio network diagramsTroubleshoot technical issues during deploymentsProvide recommendations to enhance and improve the network and performanceProvide system wide engineering support for network conflicts, troubleshooting, and resolutionUp to 50% travel Conus and infrequent 5-10% OCONUSMinimum Qualifications:Requires Bachelor’s degree in Computer Science, Math or Engineering or equivalent and aminimum of 4 years of related deployment experience; an additional 4 years experience might be substituted for a degree.DoD 8570 IAT Level 2 certification (CCNA Security, GICSP, GSEC, Sec+, CND or SSCP)DoD 8570 computing environment certification within 6 months of hire.Cisco or Microsoft certification.Company training providedStrong network and CISCO backgroundValid US Passport and Driver's License requiredPreferred Qualifications:Experience with Customers SystemsAdvanced knowledge of routing protocols such as BGPClearance Requirements:US Citizenship and an Active Top Secret-SCI clearance adjudicated within the past 6 years.Physical Requirements:Must be able to remain in a stationary position 50%.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Often positions self to maintain computers in the lab, including under the desks and in the server closet.Frequently communicates with co-workers, management and customers, which may involve delivering presentations.Must be able to exchange accurate information in these situations.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Linux, Microsoft Windows, UnixCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Seize your opportunity to make a personal impact as a Systems Engineer supporting an information technology enterprise.At GDIT, people are our differentiator. As a Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Engineer joining our team.REQUIRED SKILLS:Demonstrated experience with server technologies, MVS (multiple virtual storage), Linux, UNIX, and Windows technology and operating systems.Demonstrated experience with Enterprise Information Technology (EIT) and supported utility and security applications.Demonstrated experience setting up and managing servers in Commercial Cloud Enterprise (C2E).Demonstrated experience working in a multi-system and multi-application environment with multiple specialties such as operating systems, e-mail, database platforms, storage technologies, and hardware support.Demonstrated experience working with network requirements to anticipate impact on respective operating systems.Demonstrated experience understanding organizational standards for operating configurations, security constraints, and procedures for managing organization software.Demonstrated experience problem solving, to include independent diagnoses and resolving complex technical problems.Demonstrated experience using analytical planning and organizational skillsDemonstrated experience and understanding of project management techniques to plan and execute projects.Demonstrated experience using strong oral and written communication skills in order to articulate complex technical concepts to both technical and non-technical audiences.Demonstrated experience working independently on routine tasks.Demonstrated experience working as part of a team.Demonstrated experience working with system developers to elicit requirements and engage in joint project planning.Demonstrated experience tracking requirements.Demonstrated experience researching the latest technological developments in the relevant operating systems to identify impact on organization operating systems and to anticipate changes.DESIRED SKILLS:WHAT YOU’LL NEED TO SUCCEED:Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.Experience: 10+ yearsLocation: McLean, VA (On Customer Site)US Citizenship RequiredGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $152,737 - $206,645. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA McLeanAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Description Here at Leidos, we care deeply about the growth and development of our people. We are seeking a Chief Software Engineer to support the team.The GEOAxIS system provides Identity, Credential and Access Management for all web applications. GEOAxIS enables online, on-demand, access to NGA GEOINT content based on user’s authoritative attributes/roles. Our Mission is to maintain highly available ICAM services for protecting those critical mission applications across all security domains. The GxNext contract was awarded to Leidos in 2021 and runs until 2031.Responsibilities:Provide technical stewardship for the execution of continuous integration / continuous deployment associated with the programs’ agile development processes and the integration and delivery of architecture and software releases to all Test and Operations instances.Ensure the creation of maintainable, adaptable, scalable, defect-free code using Agile methodology best practices and coding standards (e.g., software reuse, refactoring, continuous integration, continuous development, test automation, secure development, test-driven development, static code analysis, peer/code review.)Guides the implementation of DevSecOps tools and configurations that will satisfy the needs of the program’s agile processes including multiple release trains and release on demand, maximize automated deployments, and facilitate the use of microservices and containerization.Verifies DevSecOps environments are maintained and available to support development, integration, and test efforts.Collaborates with customer and program leadership, Release Train Engineer, Development Lead, and product owners to define / refine development environment needs and with other program technical leads on the maintenance of the development backlog.Coordinate with external stakeholders to understand mission context of requirements, use cases, and needs and the architectures and interfaces where our systems’ services, capabilities, and features will be applied.Organizes and leads technical exchange sessions with consumers and external stakeholders in support of special integration, development, and coordination efforts.Responsible for the architecture of the development, test, and integration infrastructure, successful system integration, end-to-end performance testing, and execution of the system sprint demo.Identifies and implements processes, policies, and configurations to maximize the quality of the software baseline.Supports the investigation and resolution of security vulnerabilities and software defects.Assists in designing solutions to enhance the adoption of the program’s Enterprise identity, credential, and access management (ICAM) services adoption with state-of-the-art capabilities that help achieve IT efficiencies while securing the enterprise.Engages with the customer and other external stakeholders to brief status, design and deliver technical presentations, gather new/updated requirements, identify new development roadmap items, and contribute to enterprise working groups.Ensures delivery of functional code that satisfies the customer-approved success criteria using Agile design and development techniques.Develops innovative technical solutions and documents the solution architecture and design using standard design tools.Proactively and independently identifies, reports, monitors, and mitigates technical risks that may affect development or deployment.Create, maintain, review and providedetailedfeedbackon internal andexternal-facing technical documentation.Assume leadership role in responding to task orders, proposals, and requests for information tied to the program.Requirements/Qualifications:Candidate must have BS degree with 10 to 15 years of professional experience; 8 or more with Masters.4-5 years of experience working in an Agile software development environment as a technical contributor.Experience serving as a technical lead with a large software development team (> 15 developers) comprised of smaller, product focused teams.Active TS/SCI with the ability to obtain a Polygraph.Minimum 3 years of experience in developing ICAM RESTful and/or SOAP services.Experience briefing customers and stakeholders.Excellent written and oral communications skills, to include presentation of technical material to non-technical audiences.Thorough understanding of the Agile software development process (SAFe Agile preferred) and its key processes, milestones, and roles.Demonstrated proficiency with Java, JavaScript, Python, or other modern programming languages.Experience with delivering open standards solutions such as SAML, REST, LDAP, https, JSON.Experience with deploying, configuring, administering, and troubleshooting software (both custom and COTS/FOSS) in a Linux environment.Experience working in a cloud computing environment, such as Amazon Web Services (AWS) or Microsoft Azure.Experience integrating custom code with 3rd party software products/platforms (for example, development of custom plugins for a commercial or open-source product.)Experience with version control systems such as git or Subversion and applying DevSecOps tools for automated deployments, automated testing, secure configurations, and software quality.Experience with Client-side user interface development, HCI, Ozone, Widget Framework, and Microsoft SharePoint 2016 or higher.Candidate must be able to physically be in Chantilly, VA a minimum of 4 days a week to work with the team with occasional meetings in Reston and/or Springfield, VA.All candidates must be US CITIZENS to be considered for the position.Preferred:Active Top Secret/SCI with a Polygraph.Familiarity with one or more common identity and access management protocols/standards, just as PKI, FIDO2, OAuth, SCIM, or OIDC.Prior knowledge of (or experience with) the Oracle Identity and Access Management (IdAM) suite (including OAM and OUD), API Gateways, Apache web servers and/or proxy servers, and application servers is a major plus.Direct experience with multiple of the following and a desire to learn the others:(TLS)Transport Layer SecurityOracle Identity Management software plugins and extensions (Oracle Access Manager, Oracle Unified Directory)PingFederate suite of productsDatabase setup and integration, both relational and NoSQL (Oracle DB, MySQL,CouchDB)Web and Applications Servers (Apache, WebLogic)DevOps automation tools (Ansible, Chef, Puppet)Source control and Agile development tools (Git, Maven, Jenkins, Bitbucket, Jira, Confluence)Analytics and search engines (Elasticsearch, Splunk, Apache Solr)eXtensible Access Control Markup Language (XACML)Artificial Intelligence (AI) and Machine Learning (ML)Scaled Agile Framework (SAFe) certification (e.g. Certified SAFe Agilist,)One or more active cybersecurity, cloud, and/or network product certification (e.g. CISSP, AWS,)Mobile development experience.Original Posting:May 5, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $126,100.00 - $227,950.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

ManTech seeks a Cloud Engineer to help support our current Marine Corps Systems Command, Program Manager Intelligence & Cyber Operations Contract in Stafford, VA.Responsibilities include but are not limited to:SME Responsibilities to transition existing on-premises infrastructure to a cloud architecture.Current Infrastructure could include, but not limited to, physical/virtual servers, workstations, storage, networks, encryption technologies, software, databases, and other unique program of record services.Perform analysis of current infrastructure and business processesWork with current and identify future customers to ensure their mission needs will be met with minimal impact during transition.Focus on integrating the services defined in the MCIEE BlueprintMigrate or re-engineer database design per requirements of analyst toolsMinimum Qualifications:At least 8 years of related Systems Engineering experienceMeet DoD 8570 IAT Level II requirementsExperience with cloud architecture and the entire lifecycle transition to cloud technologyExperience with installing, configuring, operating, and monitoring CI/CD pipeline tools.Knowledge of available cloud services to make informed decisions on SaaS, PaaS, DaaS, and Self-Hosted, or hybrid approach.Must be capable of scripting technologies such as python, bash, PowerShell, and how toautomate creation of cloud environmentMust be familiar with environment auto scaling and load balancing.Preferred Qualifications:AWS and Azure Cloud CertificationsDepartment of Defense Architecture Framework (DoDAF) development may be necessary.Familiar with C2S, S-C2S, AWS, Azure\MSO365 and Marine Corps Private Cloud technologies and dependenciesFamiliarity with FEDRAMP, NIST, RMF, and other process standardsExperience with tools such as git, gitlab, sonarqube, terraform, ansible, and jenkinsClearance Required:Must have an active/current TS/SCI clearance.Physical Requirement: Sedentary Work

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Information SecurityJob Qualifications:Skills:Information Security, ISSO, Network EngineeringCertifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:At GDIT, people are our differentiator. As a Cyber Security Project Engineeryou will help ensure the mission is never interrupted. At GDIT, we deliver clarity with supporting the customer, you will be trusted to solve complex IT issues while delivering outstanding customer service.Protect the safety and security of our nation as a Cyber Security Project Engineer and help ensure the mission is never interrupted. At GDIT, we deliver clarity. You’ll apply the latest technology and provide operational support to deliver actionable intelligence for the Intelligence Community. Here, your work will have meaning and impact as you deliver your best every day.WHAT YOU’LL NEED TO SUCCEED:8+ years of related experienceUS Citizenship requiredLocation: Tysons, VA, On-Site at customer locationSecurity Clearance Level: Top Secret/SCI with PolygraphREQUIRED SKILLS AND DEMONSTRATED EXPERIENCE:Demonstrated experience with engineering and operations on global infrastructure.Demonstrated experience as an enterprise level Information System Security Manager (ISSM) or Information System Security Officer (ISSO).Demonstrated experience in network engineering.Demonstrated experience gaining Authority To Operate (ATO) on network infrastructure including controlled interfaces between network infrastructures.Demonstrated experience with information security requirements.Demonstrated experience in standing up and engineering a secure remote access work environment.HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE:Demonstrated experience with commercial microelectronic fabrication tools and network infrastructure.Demonstrated experience with engineering and operations on the Sponsor’s global infrastructure.Demonstrated experience with Sponsor’s operational information security requirements.Demonstrated experience gaining Authority To Operate on Sponsor’s network infrastructure.GDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#JET#GDITEnhanced2025The likely salary range for this position is $148,771 - $201,278. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA McLeanAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Description Leidos has a new and exciting opportunity for a Senior Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary:Do you thrive working in small teams that collaborate closely with customers Are you intrigued by offensive cyber vulnerability analysis and reverse engineering (VR/RE) How about offensive cyber tool development Our Offensive Cyber development program is seeking someone with a strong mission focus who is passionate about cyber and new development.The Cyber and Analytics Business Area at Leidos is seeking motivated individuals to work in a dynamic environment with a team of Cyber Engineers in areas of reverse engineering, prototyping, design, software development, integration, and cyber testing to develop capabilities against a wide variety of networking devices.This work will leverage your ability to deconstruct a variety of hardware and software, focusing on network devices and technologies, and developing capabilities to utilize the vulnerabilities discovered.Don't miss the opportunity to take your career to the next level and be part of an innovative and dynamic environment. Apply now!Job Responsibilities/Qualifications: Mission Focus: Our Offensive Cyber development program is seeking a software engineer who is passionate about cyber and new development of offensive cyber vulnerability analysis and reverse engineering (VR/RE).Technical Proficiency: Minimum of eight (8) years of experience programming in Assembly, C, C++, and/or Python. Five (5) years of experience programming cyber tools and/or techniques for the U.S. Government or within the commercial sector. Experience in performing open-source research and vulnerability analysis. Experience utilizing reverse engineering tools such as IDA Pro and Ghidra to analyze firmware of embedded devices. Proficiency in network protocols, routers, and network security.Qualifications: Bachelor’s degree in cyber, computer science, information systems or applicable engineering field and minimum of twelve (12) years of experience in computer science, information systems, or network engineering or a master’s degree in cyber, computer science, information systems or applicable engineering field and minimum of ten (10) years of experience in computer science, information systems, or network engineering.Security Clearance Requirement: Candidates must possess an active TS/SCI clearance to be considered for this role.Desirable Skills: Demonstrated experience programming techniques to evade host and/or network-based intrusion detection systems. Demonstrated experience developing programs to capture, analyze, and interpret raw network traffic. Demonstrated experience with network sockets programming including developing packet-level programs, expert packet-level understanding of IP, TCP, and application-level protocols. Demonstrated ability to develop and deliver briefings, technical presentations, and program documentation to senior program management. Experience developing documentation and reports (analysis reports, test reports, etc.).At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!Careers.leidos.comconmdOriginal Posting:April 28, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $126,100.00 - $227,950.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

ManTech seeks a Test Engineer to help support our current Marine Corps Systems Command, Program Manager Intelligence & Cyber Operations Contract in Stafford, VA.Responsibilities include but are not limited to:Spearhead the design, development, and implementation of innovative test automation frameworks and strategies for complex tactical intelligence collection, processing, anddissemination equipment.Analyze system requirements and design specifications to develop comprehensive test plans, procedures, and cases covering functional, performance, and security aspects.Champion the integration of digital engineering principles and tools into the testing process, including model-based testing, automated test generation, and continuous integration/continuous delivery (CI/CD) pipelines.Establish and maintain traceability between system requirements, test cases, and performance metrics to ensure complete test coverage and provide objective evidence for system acceptance.Conduct various types of testing, including but not limited to integration testing, system testing, regression testing, and performance testing, utilizing both manual and automated techniquesSupport the Engineering Change Proposal process by reviewing proposals, assessing their impact on system testability, and participating in Change Review Board/Configuration Control Board activitiesDevelop and maintain test environments, including hardware, software, and simulated systems, to closely mirror real-world operational scenarios.Minimum Qualifications:Bachelor’s Degree and at least 5 years of related automated test engineering experience. Additional 2 years of experience may be substituted in lieu of degree.Strong understanding of software development lifecycle (SDLC) and testing methodologiesExperience with various testing tools and techniques, including but not limited to Selenium, Cucumber, JMeter, and LoadRunnerFamiliarity with digital engineering principles and tools, such as model-based systems engineering (MBSE) and SysMLExperience in establishing and maintaining traceability between requirements, test cases, and performance metricPreferred Qualifications:Knowledge of DoD/USMC garrison and tactical environmentsExperience with tactical intelligence systems and technologiesFamiliarity with Agile/Scrum methodologiesDAU Engineering (or related field) Level I or higher certificationDoDD 8140/8570 compliance and certificationAgile Scrum Master certificationPrior military intelligence experience (enlisted or officer)Clearance Required:Must have an Active TS/SCIPhysical Requirement: Sedentary Work

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:DevOps, DevSecOps, Git, Kubernetes, LinuxCertifications:NoneExperience:3 + years of related experienceUS Citizenship Required:YesJob Description:Ensure the safety and security of our nation as a Systems Engineer (DevOps) at GDIT.Our work depends on the Systems Engineer (DevOps) joining our team to support the deployment of systems and capabilities centered on our comprehensive motion imagery software suite. The DevOps Engineer will support operations of a non-internet accessible on-prem hybrid environment built primarily on Kubernetes.HOW A DEVOPS ENGINEER WILL MAKE AN IMPACT: The candidate will be expected to provide an array of skills within DevOps discipline.Development and/or scripting skills (e.g., Bash, Python, Java, C#, etc)Linux OS experienceSystems engineering experienceSource code management tools (Git, Subversion, etc) and artifact repositories (Nexus/Atifactory, container registries, etc)Experience with automation tools such as Ansible, Jenkins, Rundeck, etcExperience with build/packaging tools such as Gradle, Maven Poetry, etcWHAT YOU’LL NEED TO SUCCEED: The position requires an active TS/SCI with Polygraph security clearanceThe position requires two (2+) years of related DevOps engineering experienceBachelor’s or Technology degree in Engineering or a related specialized area/field, OR equivalent four (4) years job-related experience OR Master's degree with three (3+) years of job-related experience.Demonstrated experience employing DevSecOps principles, including strict configuration management, configuration-as-code, and continuous deliveryDemonstrated experience in building, securing, and operating containers in a dynamic environmentExperience working in a Kubernetes-based environment, including: 1) A basic understanding of how Kubernetes works 2) Experience using and/or administering Kubernetes clusters 3) Experience building and deploying workloads using HelmKnowledge of container and Linux host networkingExperience with Apache KafkaExperience with Elastic stackExcellent organizational, coordination, interpersonal and team building skillsProven problem-solving skills in complex environmentsThe position is on customer siteGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#OpportunityOwned #GDITCareers #WeAreGDIT #JETThe likely salary range for this position is $182,750 - $247,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA McLeanAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech is seeking a highly skilled and motivated Cyber Detection and Response Analyst to join our dynamic Cyber Incident Response Team. As a key member of the team, you will be responsible for proactively monitoring, detecting, analyzing, and responding to cybersecurity incidents within our large enterprise network. Your expertise in incident detection, analysis, and response will play a vital role in safeguarding our organization's critical assets and ensuring the integrity of our information systems.Responsibilities include, but are not limited to:Incident Detection and MonitoringUtilize SIEM (Security Information and Event Management) systems and other detection technologies to identify and investigate security anomalies.Collaborate with other teams to establish and fine-tune detection rules and alerts.Incident Analysis and InvestigationConduct in-depth analysis of detected incidents to determine the nature, extent, and impact of the cybersecurity threats.Perform forensic analysis, including examining network traffic, log files, and system artifacts, to identify the root cause and potential entry points of incidents.Document incident findings, including the attack methodology, IOCs, and recommended mitigation measures.Collaborate with cross-functional teams, such as network engineers, system administrators, and legal representatives, to gather and analyze relevant information during incident investigationsIncident Response and MitigationExecute the incident response process, following established procedures and protocols, to contain, mitigate, and remediate security incidents.Coordinate with internal teams and external stakeholders to ensure a swift and effective response to incidents, including communication, containment, and recovery activities.Utilize incident response tools and technologies to facilitate the investigation, containment, and eradication of threats.Provide recommendations for remediation actions and improvements to security controls and processes based on incident findings and lessons learned.Threat Intelligence and Vulnerability ManagementStay up to date with the latest cybersecurity threats, vulnerabilities, and industry best practices.Monitor external sources for threat intelligence and emerging trends to enhance the organization's incident detection and response capabilities.Contribute to vulnerability management activities by assessing and prioritizing vulnerabilities and providing guidance on remediation strategies.Reporting and DocumentationPrepare clear and concise incident reports, including detailed timelines, analysis, and recommendations for senior management and relevant stakeholders.Maintain accurate and up-to-date documentation of incidents, investigations, actions taken, and lessons learned.Assist in the development and maintenance of incident response playbooks, procedures, and guidelines.Basic Qualifications:2+ years of experience in Cybersecurity, Information Technology , Computer Science or other relevant technical field; experience can be any combination professional experience, internships , lab work or coursework.Experience with one or more of the following: SIEM systems, network security tools, log analysis tools, cybersecurity principles, incident detection, analysis, and response methodologies, operating systems, network protocols, and security technologies.DoD 8570 IAT-II required (can be obtained after hire)Security Requirements: Active/Current TS/SCI with polygraph

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Java, Microsoft Office, Problem SolvingCertifications:NoneExperience:7 + years of related experienceUS Citizenship Required:YesJob Description:Seize your opportunity to make a personal impact as a Requirements Engineer supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.At GDIT, people are our differentiator. As a Requirements Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Requirements Engineerjoining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us!HOW A SYSTEMS ENGINEER SENIOR WILL MAKE AN IMPACTParticipating in system development to include design, modeling, security, integration, and formal testing of an IDAM solution such as Radiant Logic and/or SailPointSupporting an Attribute Based Access Control ABAC application development, integration, deployment, and maintenance. Design, develop, build, and test IT engineering solutions utilize for aggregation of attributes from authoritative sources, integration with Virtual LDAP Directory, Web ServicesDeveloping advanced engineering ideas and guiding their development into a final productCreating and maintaining programmatic and technical documentationImplementing system enhancements resulting in improved IT enterprise performanceAnalyzing customer requirements, specifications, and proposing solutions that fit to standards, compliance, and operational requirementsCreate, manage and update issues related to development tasks in JIRAVersion control and source code managementCode testing and integration with CI/CD pipelinesWHAT YOU’LL NEED TO SUCCEED:Education: Bachelor's Degree in a related technical discipline, or the equivalent combination of education, technical certification or training, or work/military experienceRequired Experience: 7+ years of related experienceRequired Technical Skills: DoD 8570.1-M certification: IAT Level III Certification, computing environment certificationSecurity Clearance Level: Top Secret/TSSCIRequired Skills and Abilities:Problem solving and oral/written communication skillsMicrosoft Office Suite and working knowledge of Microsoft VisioKnowledge of Java, JavaScript, XML, SOAP, and REST developmentPreferred Skills: IdAM procedures, policies, technologies and services, such as, Microsoft Active Directory, Microsoft Identity Manager (MIM), HyperV, VMware, Microsoft PowerShell scripting, Microsoft Visual Basic and Lightweight Directory Access Protocol (LDAP), strategic planning, building and deployment of IdAM systems, unsecure and secure network integration, joint testing environmentsAbility to diagnose and solve complex issuesDevOps principles for developing, testing and deploying applicationsExperience with supporting IAM in a Cloud environment, including Azure or AWSLocation: On Customer SiteGDIT IS YOUR PLACE:401K with company match.Comprehensive health and wellness packages.Internal mobility team dedicated to helping you own your career.Professional growth opportunities including paid education and certifications.Cutting-edge technology you can learn from.Rest and recharge with paid vacation and holidays.#GDITEnhanced2025#OpportunityOwned#GDITCareers#WeAreGDIT#JETThe likely salary range for this position is $148,750 - $201,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA MD BethesdaAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in Reston, VA location. This is an onsite position.The Network Engineer candidate will work with other Network and Systems Engineers to design, build, monitor, maintain, and upgrade all program networks to ensure data is consistently available and flowing properly.Responsibilities include but are not limited to:Designing, building, monitoring, maintaining, and upgrading all program networks and communications linksMonitoring and analyzing networks and communications links to identify and resolve architecture, provider, environment, or other issuesImplementing and maintaining effective tools to evaluate/analyze data movement and ensure data integrity throughout the networkWorking with engineering teams to troubleshoot integration issues and to maximize network and system performanceEstablishing appropriate network monitoring and early warning mechanisms to proactively identify potential issues before they impact operationsPerforming performance testing and tuning for all network and Cloud infrastructuresWorking with engineering teams to resolve reported problems and interfacing with third party vendors for monitoring, troubleshooting, tracking, and reporting metricsBasic Qualifications:10+ years of relevant experience serving as a Network Engineer or performing similar technical dutiesStrong experience with network hardware configuration and maintenance in large-scale environmentsStrong experience with relevant networking and firewall technologies such as Cisco and Palo AltoStrong network administration experience in areas such as DNS, routing, firewall configuration, scripting and automationStrong Cloud experience, including remote management, with technologies such as AWSStrong experience performing Tier 2-4 network troubleshooting and resolving issuesPreferred Qualifications:Prior experience managing and maintaining complex networks used to transport data worldwideAbility and willingness to travel internationally, if requiredClearance Requirements:Must possess an active/current TS/SCI w/ polygraph.Physical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Cloud: Amazon Web Services (AWS), Linux, Server Management, Systems Integration, UnixCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Seize your opportunity to make a personal impact as an AWS Cloud Systems Engineer supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.At GDIT, people are our differentiator. As an AWS Cloud Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a an AWS Cloud Systems Engineerjoining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us!HOW AWS CLOUD SYSTEMS ENGINEER WILL MAKE AN IMPACTMaintain, troubleshoot custom Software Baseline based on Scientific Linux and Red Hat Linux.Maintain, troubleshoot, and upgrade server hardware to ensure operational efficiency.Collaborate with technical teams to set up and maintain development, testing, and production environments.Monitor server performance, implement improvements, and develop maintenance schedules.Provide technical support, document activities, and ensure compliance with industry standards.Participate in on-call support as needed for after-hours issues.WHAT YOU’LL NEED TO SUCCEED:Education: Bachelors (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline)Required Experience: 10+ yrsRequired Technical Skills:Proficient in Linux/Unix systems administration.Extensive knowledge of physical server management and troubleshooting.Experience with environment and server layout and configuration maintenance to industry standards.Ability to develop and follow maintenance schedules and procedures.Strong understanding of large-scale system integration.Experience with scripting to automate routine maintenance and operational tasks.Familiarity with project management tools such as JIRA and Confluence.Strong communication and documentation skills.Desired Skills:Experience with AWS Cloud infrastructure and AWS CloudFormation.Knowledge of cloud application architecture (AWS/Azure).Experience with cloud environment automation and monitoring.Knowledge of cross-domain solutions server TS, Secret and UNCLASS FabricsSecurity Clearance Level: TS/SCI with active polygraphLocation: Bethesda, MD - On Customer SiteGDIT IS YOUR PLACE:401K with company match.Comprehensive health and wellness packages.Internal mobility team dedicated to helping you own your career.Professional growth opportunities including paid education and certifications.Cutting-edge technology you can learn from.Rest and recharge with paid vacation and holidays.#GDITEnhanced2025#OpportunityOwned#GDITCareers#WeAreGDIT#JETThe likely salary range for this position is $170,000 - $230,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA MD BethesdaAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Oracle Cloud Engineer to join our team in Herndon, Virginia. The Oracle Cloud Engineer will be tasked to design, implement, and maintain cloud-based solutions on Oracle Cloud Infrastructure (OCI) supporting a high priority mission at one of our National Intelligence Customers. In this role, you will work closely with architects, DevOps, and database teams to optimize Oracle cloud environments, ensure security and scalability, and support mission-critical applications.Responsibilities include but are not limited to:Design & Deploy: Architect and deploy scalable and secure solutions onOracle Cloud Infrastructure (OCI).Automation & Optimization: ImplementIaC (Infrastructure as Code)using Terraform, Ansible, or OCI Resource Manager to automate cloud provisioning.Database & Storage Management: Manage Oracle Cloud databases (Autonomous DB, Exadata, Oracle RAC) and storage solutions (Object Storage, Block Volumes).Networking & Security: ConfigureVCNs, subnets, load balancers, and security listsfor cloud applications.Monitoring & Performance Tuning: Use OCIMonitoring, Logging, and Performance Hubto optimize cloud resources and troubleshoot performance bottlenecks.Disaster Recovery & High Availability: Designbackup, replication, and failoverstrategies for critical workloads.Cloud Cost Optimization: Monitor resource utilization and implementcost-saving strategiesto optimize OCI spending.Compliance & Security: Ensure compliance with industry security standards (NIST 800-53) and implement best practices forIAM policies and access controls.Minimum Qualifications:7+ yearsof hands-on experience with a Cloud Service Provider (CSP) orOracle Cloud Infrastructure (OCI).Proficiency in deploying and managing OracleAutonomous Database, Oracle Exadata, and Oracle Cloud VM instances.Expertise inTerraform, Ansible, or OCI Resource Managerfor infrastructure automation.Strong understanding ofnetworking concepts (VCNs, Load Balancers, VPN, FastConnect).Experience withOracle Identity and Access Management (IAM)and security policies.Hands-on experience withLinux environments, scripting (Bash, Python), and CI/CD pipelines.Knowledge ofcloud monitoring toolssuch as Oracle Cloud Monitoring, Prometheus, or Grafana.Preferred Qualifications:Hands-on experience working with and developing on OCI, particularly 2 years of consulting experience preferred.Oracle Cloud Certifications(e.g., Oracle Cloud Infrastructure Architect Associate/Professional).Experience withmulti-cloud environments (AWS, Azure, GCP, OCI) and hybrid cloud solutions.Background inDevOps, Kubernetes, or containerized deployments on OCI or another cloud provider.Strong knowledge ofOracle Database Administration (DBA)and SQL performance tuning.Clearance Requirements:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Java, JavaScript, Microsoft OfficeCertifications:NoneExperience:7 + years of related experienceUS Citizenship Required:YesJob Description:Seize your opportunity to make a personal impact as a Requirements Engineer supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.At GDIT, people are our differentiator. As a Cloud Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Cloud Systems Engineerjoining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us!HOW A SYSTEMS ENGINEER SENIOR WILL MAKE AN IMPACTParticipating in system development to include design, modeling, security, integration, and formal testing of an IDAM solution such as Radiant Logic and/or SailPointSupporting an Attribute Based Access Control ABAC application development, integration, deployment, and maintenance. Design, develop, build, and test IT engineering solutions utilize for aggregation of attributes from authoritative sources, integration with Virtual LDAP Directory, Web ServicesDeveloping advanced engineering ideas and guiding their development into a final productCreating and maintaining programmatic and technical documentationImplementing system enhancements resulting in improved IT enterprise performanceAnalyzing customer requirements, specifications, and proposing solutions that fit to standards, compliance, and operational requirementsCreate, manage and update issues related to development tasks in JIRAVersion control and source code management Code testing and integration with CI/CD pipelinesWHAT YOU’LL NEED TO SUCCEED:Education: Bachelor's Degree in a related technical discipline, or the equivalent combination of education, technical certification or training, or work/military experienceRequired Experience: 7+ years of related experienceRequired Technical Skills: DoD 8570.1-M certification: IAT Level III Certification, computing environment certificationSecurity Clearance Level: Top Secret/TSSCIRequired Skills and Abilities: Problem solving and oral/written communication skills, Microsoft Office Suite and working knowledge of Microsoft VisioKnowledge of Java, JavaScript, XML, SOAP, and REST developmentPreferred Skills: IdAM procedures, policies, technologies and services, such as, Microsoft Active Directory, Microsoft Identity Manager (MIM), HyperV, VMware, Microsoft PowerShell scripting, Microsoft Visual Basic and Lightweight Directory Access Protocol (LDAP), strategic planning, building and deployment of IdAM systems, unsecure and secure network integration, joint testing environmentsAbility to diagnose and solve complex issuesDevOps principles for developing, testing and deploying applicationsExperience with supporting IAM in a Cloud environment, including Azure or AWSLocation: On Customer SiteGDIT IS YOUR PLACE:401K with company match.Comprehensive health and wellness packages.Internal mobility team dedicated to helping you own your career.Professional growth opportunities including paid education and certifications.Cutting-edge technology you can learn from.Rest and recharge with paid vacation and holidays.#OpportunityOwned#GDITCareers#WeAreGDIT #JET#ISP2024InnovativeTalent#EnhancedTechPoly2025#ISPImpactThe likely salary range for this position is $148,750 - $201,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA MD BethesdaAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. We are seeking a highly skilled Security Engineer to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems.Responsibilities include but are not limited to:Implement and maintain cybersecurity solutions across classified and unclassified environments.Perform risk assessments, vulnerability scans, and system hardening in compliance with NIST 800-53 and RMF.Support the preparation and submission of security documentation for Authority to Develop (ATD) and Authority to Operate (ATO) under IC guidelines.Collaborate with system owners, ISSOs, ISSEs, ISSMs, engineers, and auditors during security assessments and continuous monitoring.Monitor and respond to security incidents, performing root cause analysis and remediation.Integrate security controls into DevSecOps pipelines and cloud architectures (AWS, Azure, GCP or Oracle).Support development and implementation of security policies, plans, and SOPs.Stay current on evolving federal cybersecurity directives, threats, and compliance requirementsMinimum Qualifications:Bachelor’s degree in Cybersecurity, Computer Science, Information Systems, or 4+ years of equivalent experience in a related field7+ years of experience in cybersecurity or related IT security roles.Experience with NIST Risk Management Framework (RMF), FedRAMP, or DoD Cybersecurity Maturity Model Certification (CMMC).Hands-on experience working in air-gapped cloud environments.Knowledge of system/network security principles and incident response practices.Experience supporting the Intelligence Community.Preferred Qualifications:DoD 8570.01-M IAT Level II or III certification (e.g., Security+, CISSP, CEH, CISM).Knowledge of STIGs, SCAP tools, and secure system baselining.Hands-on experience with security tools (e.g., ACAS, Splunk, Tenable, Palo Alto, CrowdStrike, or similar).Scripting or automation experience (Python, Bash, PowerShell) to support security operations.Clearance Requirements:Must hold an active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time.Needs to occasionally move about inside the office to access file cabinets, officemachinery, etc.Frequently communicates with co-workers, management, and customers, which mayinvolve delivering presentations. Must be able to exchange accurate information inthese situations.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Microsoft PowerShell, Microsoft Windows Server, Systems EngineeringCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:We are seeking highly motivated Microsoft Exchange and Messaging engineers and architectswith a thirst for learning, in support of a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating solutions with Microsoft Windows Server will be positioned for success in our organization. The selected candidate will design, build and deploy, and administer large scale multi-domain enterprise Windows Server environments. Additionally, engineers will build, maintain and migrate a variety of physical and virtual systems to on-premises, cloud, or hybrid infrastructures.Engineers will provide support to multiple globally dispersed WAN connected sites. Embracing the DevOps model, engineers will be responsible for supporting their solutions throughout the entire IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.Responsibilities:Designs and defines system architecture for new or existing Exchange systems utilizing both on-premises and cloud-based hosting technologiesEvaluate the current Exchange environment, develop platform roadmaps, analyze system performance, and recommend corrective and preemptive actionsAdminister, operate, manage and maintain Exchange components for on-premises and cloud-based virtualized systemsReviews completion and implementation of system additions and/or enhancements and makes recommendations to management and/or clientsPlans and directs upgrades of Microsoft Exchange infrastructure and related components in the area of Active Directory, Domain Controller topology, LDAP, Authentication Services, DNS, Permissions and Access Controls and Group PolicyRequired Skills:Experience with Exchange Server 2016 or 2019, including Database Availability Groups (DAGs)Experience with managing mail flow in a Microsoft Exchange environmentExperience email security, compliance policies, and data loss prevention (DLP)Experience with email encryption, SPF / DKIM / DMARC, and other security measuresExperience with Windows DNS and DHCPExperience integrating Exchange with Active Directory, Azure AD, and Office 365 servicesExperience with Active Directory Domains and TrustsExperience with Microsoft Windows automation scripting with PowerShell or other scripting languagesExperience with Windows Server2019, 2022 and 2025Experience with Microsoft Identity Manager and/or Forefront Identity Manager experience is optimalExperience with managing work tasks via tools such as JIRA and ServiceNowSystem configuration experience and hardening based on security guidelines, such as DISA STIGsCompTIA Security+ or similar for IAT Level II DoD 8570 certificationBA/BS (or equivalent experience)TS/SCI with PolygraphLocation: On Customer SiteUS Citizenship RequiredGDIT is Your Place:401K with company matchComprehensive health and wellness packagesInternal Mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#GDITcareers#OpportunityOwned#WeAreGDIT#transitioningmilitary#clearedjobs#veterans#AutobotsThe likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Software Engineer to join our team in Herndon, VA The Software Engineer will be part of a program that will deliver engineering services for network infrastructure as well as sophisticated enterprise computing infrastructure including end-point devices, data center hosted servers, multi-Cloud services as well as virtualized applications, and storage systems. Enterprise Computing Engineering services include modern application technology including containerized solutions with orchestrated workflow that function both on customer premise, and via remote Cloud services.Responsibilities include but are not limited to:Utilize modern application technology including containerized solutions with orchestrated workflow that function both on customer premise, and via remote Cloud services.Be part of a team that will deliver engineering services for network infrastructure as well as sophisticated enterprise computing infrastructure including end-point devices, data center hosted servers, multi-Cloud services as well as virtualized applications, and storage systems.Minimum Qualifications:Bachelor’s degree in computer science or related field with 3+ years of experience in the software engineering/programmingFamiliarity with Eclipse developmental duties in Git Hub, Dev Ops, Java and Python.Experience in security review of applications and infrastructure.2+ years of experience participating in agile activities.3+ years of recent Java or Python experienceExperience researching new technologies in object-oriented programming.Experience in Cloud based services.Preferred Qualifications:Experience with infrastructure automation technologies like Docker, Vagrant, etc.Experience with build automation technologies like Maven, Jenkins, etc.Experience with building APIs and services using REST, SOAP, etcExperience with scripting languages like Perl, Shell, etc.Works well in an engineering team environment with other teammates who varied skills levels.Ability to mentor othersClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.Occasionally move about inside the office to access file cabinets, office machinery, etc.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Active Directory (AD), DNS, Group Policy ManagementCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:We are seeking highly motivated Microsoft Identity and Access Management engineers and architectswith a thirst for learning, in support of a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating solutions with Microsoft Windows Server will be positioned for success in our organization. The selected candidate will design, build and deploy, and administer large scale multi-domain enterprise Windows Server environments. Additionally, engineers will build, maintain and migrate a variety of physical and virtual systems to on-premises, cloud, or hybrid infrastructures.Engineers will provide support to multiple globally dispersed WAN connected sites. Embracing the DevOps model, engineers will be responsible for supporting their solutions throughout the entire IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.Responsibilities:Designs and defines system architecture for new or existing computer systems utilizing both on-premises and cloud-based hosting technologiesAnalyze requirements and system architectures to develop system requirements specifications and resulting design plansAdminister, operate, manage and maintain components for on-premises and cloud-based virtualized systemsReviews completion and implementation of system additions and/or enhancements and makes recommendations to management and/or clientsPlans and directs upgrades of Windows Server infrastructure and related components in the area of Active Directory, Domain Controller topology, LDAP, Authentication Services, DNS, Permissions and Access Controls and Group PolicyRequired Skills:Experience with Microsoft Windows Server Active Directory design and implementationExperience with Microsoft Entra ID Governance and Identity ManagementExperience with Hybrid Identity Management Solutions and Federation TechnologiesExperience with Group Policy ManagementExperience with Windows DNS and DHCPExperience with LDAPExperience with Active Directory Federation ServicesExperience with Active Directory Domains and TrustsExperience with Microsoft Windows automation scripting with PowerShell or other scripting languagesExperience with Windows Server2019, 2022 and 2025Experience with Microsoft Identity Manager and/or Forefront Identity Manager experience is optimalExperience building/managing servers in AWS (Amazon Web Services), Azure and Vmware based environment is desiredExperience with managing work tasks via tools such as JIRA and ServiceNowSystem configuration experience and hardening based on security guidelines, such as DISA STIGsCompTIA Security+ or similar for IAT Level II DoD 8570 certificationBA/BS (or equivalent experience)TS/SCI with PolygraphLocation: On Customer SiteUS Citizenship RequiredGDIT is Your Place:401K with company matchComprehensive health and wellness packagesInternal Mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#GDITcareers#OpportunityOwned#WeAreGDIT#transitioningmilitary#clearedjobs#veterans#AutobotsThe likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Herndon, VA The Senior Systems Engineer with a strong background in Citrix and NetScaler technologies to join our team in Herndon, VA. The successful candidate will play a key role in designing, implementing, and maintaining enterprise-level systems that support critical applications and user environments.Responsibilities include but are not limited to:Manage and optimize Citrix Virtual Apps and Desktops, ensuring high performance and availability.Configure, deploy, and maintain NetScaler appliances (SDX, MPX, VPX) and Citrix Gateway solutions, including GSLB.Monitor and troubleshoot user experiences and NetScaler operations.Collaborate with network teams to design and implement NetScaler solutions with VLANs, subnetting, and LACP.Automate workflows, develop NetScaler policies, and create custom HTML pages for enhanced functionality.Document system configurations and support upgrades to maintain operational excellence.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldExperience with NetScaler appliances, including configuration, deployment, and management.Extensive hands-on experience with Citrix technologies such as Virtual Apps and Desktops (formerly XenApp/XenDesktop).Strong knowledge of load balancing, application delivery, and secure remote access using NetScaler.Experience monitoring and optimizing Citrix environments for performance and user experience.Familiarity with Citrix Workspace and related services.Preferred Qualifications:Proficiency with SDX, MPX, and VPX appliances.Experience architecting and designing Citrix Gateway solutions, including GSLB configurations.Advanced knowledge of NetScaler Console for monitoring, troubleshooting, and management with a proficiency in NetScaler policy creation, including responder and rewrite policies.Strong experience monitoring and troubleshooting XenDesktop user experiences in enterprise environments.Familiarity with Citrix Virtual Applications and Desktops on platforms such as Hyper-V, Nutanix, VMware, and with tools and strategies for enhancing user experiences in virtualized environments.Experience designing and installing NetScalers in collaboration with network teams and an advanced understanding of VLANs, subnetting, and LACP (Link Aggregation Control Protocol).Proficiency in scripting and automation for Citrix and NetScaler environments and an expertise in identifying and resolving Citrix-related issues to ensure optimal end-user performance.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under the desks and in the server closet

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Risk Management, Security Planning, Vulnerability ScanningCertifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:Deliver simple solutions to complex problems as a Systems Engineer at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development, you’ll make the end user’s experience your priority and we’ll make your career growth ours.At GDIT, people are our differentiator. As a Systems Engineer supporting our customer in Chantilly, VA, you will help ensure today is safe and tomorrow is smarter. Our work depends on an experienced ISSO/ ISSE capable of working within customer A&A platform and assigned onsite Information System Security Managers to maintain and renew system security accreditations. Successful candidate must be able to prioritize multiple projects ensuring all security based operations and accreditations are completed in a timely fashion.WHAT YOU’LL NEED TO SUCCEED:Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.Experience: 8+ yearsRequired skills:Experience with developing and reviewing security concept of operations, systems security plans, security control assessments, contingency plans, configuration management plans, incident response plans, plan of actions and milestones, risk management plans, vulnerability scanning, and/or vulnerability management plans.Documented experience with customer A&A platform and Rev4 RMF processDemonstrated on-the-job knowledge and experience cloud security design, requirements analysis, control implementation, and mitigation. Demonstrated experience developing in a cloud environment such as Amazon Web Service.Demonstrated on-the-job knowledge and experience with ICD-503, FISMA and RMF/A&A processes, NIST SP 800 series, FIPS (199, 200), and CNSSI 1253 technical controls and developing and maintaining associated authorization and accreditation documentation.Demonstrated on-the-job knowledge and experience with performing security system scans for network, platform, database, and web services using different security tools (e.g. Rapid 7, Weblnspect, AppDetective).Outstanding interpersonal skills and team playerOutstanding written and verbal communication skills; ability to present reports to management; motivated to thoroughly investigate, analyze, and document system issues and resolutionsDemonstrated outstanding ability to produce quality deliverables and to complete assigned projects on time, provide consistent status updates to ensure IT security projects stay focused.Demonstrated outstanding attention to detail - completes tasks per standard operating procedures; reports discovered anomalies and inconsistenciesDemonstrated outstanding persistent and creative problem solver - strong troubleshooting skills and determined to find solutions to technical problems; identifies root cause and presents possible solutions to managementDemonstrated outstanding work ethic and a proven professional - respectful, dependable, takes initiativeSecurity Clearance Level: Top Secret/SCI with PolygraphDesired skills:Certifications: CISSP, CASPExperience cloud security design, requirements analysis, control implementation, and mitigation.Experience with JIRA and managing security based requirementsProject or program management experience.Location: Chantilly, VA customer siteGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn from Rest and recharge with paid vacation and holidays #OpportunityOwned#GDITCareers#WeAreGDIT #JET#GDITEnhanced2025The likely salary range for this position is $138,063 - $186,791. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Windows Cloud Systems Engineer to join our team in Herndon, VA The Windows Cloud Systems Engineer will be responsible for engineering, supporting, and troubleshooting various Windows and Microsoft technologies, as well as automating processes and managing Azure environments.Responsibilities include but are not limited to:Engineer, support, and troubleshoot Microsoft Azure Active Directory and Group Policy, Microsoft Defender, including reporting and patching, and Windows 10 (and higher) desktop operating systems, including developing new build and deployment methods for Windows workstations.Support and troubleshoot Windows Server 2019 technologies.Conduct and review Rapid 7 scans.Automate tasks and configuration items using PowerShell.Support and troubleshoot desktop applications, including Microsoft 365 products and classification management tools.Document all new system changes and ensure existing documentation is current, as well as monitor and administer the Azure Virtual Desktop environment.Provide support to Tier 1 and Tier 2 personnel on user issues, including application assistance, network troubleshooting, and other user-related tasks.Minimum Qualifications:Bachelor’s degree in computer science or related field with 6+ years of experience in the Information Technology fieldExperience with core Microsoft Windows platforms, services, and tools, including:Windows 10 (and up) Desktop Operating SystemsWindows 2019 (and up) Server Operating SystemsActive DirectoryGroup PolicyDNS, DHCPMicrosoft PowerShell scriptingStrong verbal communication and documentation skills.Excellent troubleshooting skills.Preferred Qualifications:Experience with Agile Methodology.Familiarity with Terraform.Experience with Visual Studio Code and Git.Knowledge of KQL/SQL Queries.Experience with DevOps practices.Certifications: Microsoft AZ-900 and MS-900.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under desks and in server closets.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Radio FrequencyJob Qualifications:Skills:Digital Radio, Radio Frequency (RF), Wireless, Wireless Networks, Written CommunicationCertifications:NoneExperience:2 + years of related experienceUS Citizenship Required:YesJob Description:As a Signals Engineer you will conduct active monitoring and response to wireless intrusion detection systems, in-place monitoring systems, and operating hand-held equipment.a. Electrical Engineering experience.b. Experience conducting site surveys and inspections to ensure compliance with ICD 705, ICD 702, and other applicable regulations.c. Experience conducting ad hoc testing and preparing Testing Technical reports with photos and descriptions of any anomalies, concerns, or discoveries.d. Experience managing multiple projects/tasks and large workloads.e. Strong verbal and written communication skills.f. Experience creating Site Survey Reports, creating messages for approval and release, and recording task closure.g. Experience writing complicated reports detailing the findings of technical assessments.h. Strong administrative and organization skills.i. Proficient with MS Office.j. Experience updating and maintaining records in customer applications and databases.k. Must be able to carry and lift heavy pieces of equipment, up to 75 pounds, during travel and while evaluating SCIFs.WHAT YOU’LL NEED TO SUCCEED: Education: Bachelor of Science or equivalent Required Experience: 2+ years of related experience Security Clearance Level: minimum TS/SCI and ability to obtain CI poly Location: On Customer Site US Citizenship RequiredGDIT IS YOUR PLACE: 401K with company match Comprehensive health and wellness packages Internal mobility team dedicated to helping you own your career Professional growth opportunities including paid education and certifications Cutting-edge technology you can learn from Rest and recharge with paid vacation and holidaysThe likely salary range for this position is $97,750 - $132,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:10-25%Telecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech is seeking a Cloud Software Engineers to join our team in the Ft. Meade, MD area. In this role, you will develop, maintain, and enhance complex and diverse Big-Data cloud systems based upon documented requirements.Responsibilities include, but are not limited to:Design and develop software solutions using Kubernetes.Collaborate with team members to determine best practices and client requirements for software.Develop high-quality software design and architecture.Identify, prioritize and execute tasks in the software development life cycle.Develop tools and applications by producing clean, efficient code.Automate tasks through appropriate tools and scripting.Review and debug code.Perform validation and verification testing.Collaborate with internal teams and vendors to fix and improve products.Document development phases and monitor systems.Minimum Qualifications:Bachelor's Degree from an accredited college or university in Computer Science or related discipline from an accredited college or university is required Or 4 additional years of experience may be substituted in lieu of a degree.3 years of experience in software development/engineering in programs and contracts of similar scope, type, and complexity.Strong programming skills in one or more languages (e.g. Go, Python, Java)Familiarity with CI/CD pipelines and GitOps principlesHands-on experience with container technologies (Docker, containerd) and orchestration tools (Kubernetes, Helm).Certification requirements:One or more of the following is required or must be able to obtain one:AWS Certified Solutions Architect AssociateAWS Certified SysOps AdministratorAWS Certified Solutions Architect ProfessionalAWS Certified DevOps Engineer ProfessionalCertified Kubernetes Application DeveloperCertified Kubernetes AdministratorClearance Requirements:Must have current/active TS/SCI w PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Software EngineeringJob Qualifications:Skills:Amazon Web Services (AWS), C++ Programming Language, Software EngineeringCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:General Dynamics Information Technology has an immediate opening for an on-site C++ Software Engineer/Developer with AWS experience working with a company that is committed to pushing the limits of truly advanced technologies. At General Dynamics Information Technology, we create the products and services that help our service members, intelligence analysts and first responders keep our nation safe. The work we do is advanced and requires a security clearance. If you want to put your talent in the spotlight, it's waiting for you right now, right here.We apply advanced technologies such as Machine Learning, Artificial Intelligence, AR/VR, and Cloud computing to solve our customer and mission challenges. As a Software Engineer, you'll work with a team of extraordinary scientists, engineers, and analysts. Together you'll perform software tasks across the development lifecycle from research, design and code through test and deployment.From inventing new products or enhancing existing applications, your talent and leadership abilities will be front and center.What you bring to the table:Thorough understanding of software engineering concepts, principles, and theories.Expert at applying technical standards and methodologies to resolve issues in creative ways and help company meet financial and business objectives.Very strong knowledge of software tools supporting Integrated Development Environments (IDE), version control, defect reporting and scripting.Responsibilities for this PositionProgramming Paradigms include -- functional programming, algorithms, paralleland distributed processing, multi-threaded programming, cloud computing, scientific computing and object-oriented design.Frameworks and libraries include -- Agile, Amazon Web Services (AWS), AWS Lambda, AWS SQS/Kafka, Traditional Web Services, ActiveMQ, and the Microsoft Office suite.Operation systems include -- Linux, Windows/NT.Microservice architecture implementation.Familiarity with complete SW engineering lifecycle.Familiarity with generic (template) programming.Familiarity with code reuse and refactoring in a rapid prototyping environment.Proficiency in C++, especially modern standards (C++11, C++14, and C++17).Familiarity with reading, writing, debugging, and testing C++, C, and Python.Experience with profiling and optimizing source code.Strong fundamentals in data structures and algorithms.Familiarity with distributed programming using Amazon Web Services.Familiarity with designing XML schemas and coding input/output.Knowledge and experience with Continuous Development/Continuous Integration (CD/CI) technologies including Rancher, Kubernetes, Knative Eventing/Serving for CloudEvent communications, Docker Containers, Micro-services, GitLab, Helm, and Skaffold.Frameworks and libraries include -- Agile, Amazon Web Services (AWS), AWS Lambda, AWS SQS, Traditional Web Services and the Microsoft Office suite.What you'll experience:Cutting edge technologies in digital signal processing, image exploitation, and machine learning/artificial intelligence.A team of bold thinkers committed to exploring what's next.Opportunities to gain new knowledge through advanced research and development cycles.Location: On Customer SiteU.S. Citizenship RequiredWhat sets you apart:Excellent communication skills.Very strong knowledge of technology trends and the ability to champion new ideas, products and process improvements.Ability to effectively handle complex assignments.Creative thinking with the ability to effectively multi-task.Very strong interpersonal skill to work collaboratively with customer and associate contractors.GDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal Mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $161,500 - $218,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Hardware Engineer to join our team in Ft. Meade, MD. This is a full time position with 5 days being onsite. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.Responsibilities include but are not limited to:Analyzing hardware specifications and system/subsystem requirements to conceive and document a practical design for hardware components to include servers, network devices, transmission media, storage devices, user interface devices, and special processors.Ensuring problems with operational hardware have been properly identified and solutions satisfy user’s requirements while preparing functional requirements and specification for hardware acquisitionsDeveloping hardware installation schedules based upon set-up, integration, and test timeliness while assisting with preparing installation guides, field test procedures, and troubleshooting guides.Conduct site surveys, assesses and documents current site network configuration and site-unique requirements, preparing engineering plans and site installation Technical Design Packages, configuring computers, communications devices and peripheral equipmentResponsible for scheduling requested evaluations submitted from vendors, receiving, unpacking, and setting up submitted commercial equipment for evaluation and setting up appropriate tools and sensors to support evaluations.Minimum Qualifications: Bachelor’s degree in communications engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related discipline from an accredited college or university and 7 years of experience as a Hardware Engineer analyzing complex hardware systems for SIGINT solutions. is required.Five (5) years of additional hardware engineering experience may be substituted for a bachelor’s degree.Experience with VHDL, Vilinx, Vivado or similar tools/technologies is requriedClearance Requirements:Must have a current/active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position for extended periods of time. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. Must be able to move vendor equipment

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Data Visualization, Data Visualization Tools, Tableau (Software)Certifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:As a Data Analytics Engineer, you will:Evolve Extract, Transform, Load (ETL) pipelines of structured and unstructured data from a verity of disparate sources to meet the needs of an advanced Insider Threat program.Design analytical visualizations via custom dashboards through a collaborative process with Data Science and Analysis staff.Participate in all steps of the continuous development lifecycle - including design, development, testing, and deployment.Provide support and presentations of the visualization platform to internal customers and senior leadership.Work with the design team and product management to implement innovative analytic and visualization approaches to solve real-world threat problems.Required QualificationsYou have a bachelor’s degree in Statistics, Computer Science, Mathematics, or a related quantitative field.8+ years of experience developing ETL pipelines using SAS, Python, or R.Proficiency in SQL, NoSQL, or MySQL queries.8+ years of developing visual analytics reports in SAS Visual Analytics, SAS Visual Investigator, SAS Studio, Tableau, QlikView or similar technology.Excellent interpersonal communication skills and willingness to learn.Preferred QualificationsAbility to resolve user questions through a combination of independent study, investigative programming, and especially collaborative efforts with team members.Platform administration and engineering experience with SAS 9 or SAS Viya 4 or similar architecture.SAS Certifications or certifications from similar technologies.User Interfaces (UI) and/or User Experiences (UX) design.Experience with automation development in Python.Experience with API development.Experience working with cloud technologies (Docker, Kubernetes);Azure / AWS / GCP / OpenShift infrastructure experience.Demonstrated experience of Agile development practices and tools such as GITLAB.Demonstrated experience CI/CD and associated tools like Jenkins, Git, Gerrit, Linux commands, etc.Good experience in working with containerization technologies such as Docker and KubernetesUnderstanding of open-source programming languages.GDIT is Your Place:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $125,528 - $169,832. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTechseeks a motivated, career and customer-orientedVideo Systems Programmerto join our team inSpringfield, VA.In this role, you will be responsible for programming, testing and support of complex Audio/Video (A/V) systems in a variety of customer environments. The successful candidate will have a history of designing functional, intuitive interfaces which enable the customer to control complex systems.Responsibilities include, but are not limited to:Read and interpret A/V systems drawings and specifications.Develop code for integrating systems including, but not limited to, Extron, HP/Poly and Cisco.Collaborate with video engineering team to ensure programmed solutions meet customer expectations.Responsible for organizing, maintaining, and archiving all project-related code, graphic touch panel layouts and programs.Complete training programs from manufacturers, industry associations, and company as required.Participate in complex system design reviews where input is encouraged.Minimum Qualifications:Bachelor’s Degree and 2 or more years of experience, or a combination of education and work experience equivalent to 6 or more years.Familiarity with Digital Signal Processing (DSP) design and configuration.Experience with control systems, videoconferencing, switching hardware, audio DSP setup and calibration.Strong customer service, organizational, communication, and written skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. Proficiency in Microsoft Office product suite.Willingness to travel locally, as needed.Preferred Qualifications:AVIXA Certified Technology Specialist (CTS) or Extron Certifications.Experience with Python programming & ServiceNow Project Management.Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers.Hours of coverage:Individual shift may vary, but you will be a member of a team that provides coverage from 6:00 a.m. – 6:00 p.m.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Developing Test Plans, Systems Design, Systems EngineeringCertifications:NoneExperience:2 + years of related experienceUS Citizenship Required:YesJob Description:Systems EngineerJob DescriptionContributes to completion of milestones associated with specific engineering projectsDevelops solutions to a variety of engineering problems of moderate scope and complexityPerform systems design, development, and integration from the start of a systems life cycle to the endOversees moderately complex infrastructure including installing, configuring, testing, and maintaining operating systems, application software, and system management toolsPerforms systems modeling, simulation, and analysisPerforms continual maintenance of security, including backup and redundancy strategiesPrepares and maintains documentation for processes and procedures related to engineering projectsMaintains current knowledge of rapidly changing technologyEducation and ExperienceActive TS/SCI and CI polygraphMust possess the required DoD Directive 8570 IAT Level II or higher certification(Security+CE preferred)EDUCATION AND EXPERIENCE: BA/BS or equivalent, 2+ years of experienceEngineer/support mobility solutions used by various business areasDevelop test plans and support documentation to enable quality deployment of business mobility solutionsProvide 3rd level technical support for business mobility solutions (iPhone, tablet)Gather requirements for business mobility solutions or technologies to facilitate deployment of new and/or improve maintenance of existing solutionsGDIT Is Your Place:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#Autobots The likely salary range for this position is $102,000 - $138,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Cloud Security Engineer to join our team in Herndon, VA.Join a team of cybersecurity experts that protects and defends the largest target in the world. As a Cloud Security Engineer on our team, you will utilize the latest tools available and assist in creating new ones while allowing you to advance the nation's information security posture.Responsibilities include but are not limited to: Design and champion the strategy for detecting and responding to cyber incidents within Oracle Cloud Infrastructure (OCI) or Google Cloud Platform (GCP)Create advanced detection rules and tradecraft to uncover sophisticated cloud-based attacksOptimize data pipelines to fuel rapid incident analysis and proactive threat hunting in the cloudServe as the Subject Matter Expert (SME) during critical cloud security incidents, guiding the CSOC team to swift resolutionContinuously evaluate emerging cloud security tools and techniques to enhance our defenses and response capabilitiesPartner with cross-functional teams and mentor less experienced analysts to build a stronger cloud security posture across the organizationMinimum Qualifications:High School Diploma and 15+ years of experience in cloud or cyber security or Bachelor’s degree and 11+ years of experience5+ years of experience in cyber incident response3+ years’ experience architecting, engineering, implementing, or securing solutions within Google Cloud Platform (GCP) OR Oracle Cloud Infrastructure (OCI)2+ years’ experience with data ingestion, processing, and analysis of data relevant to security investigations, such as log management, basic ETL concepts or similar.Experience with at least one scripting language, such as Python or Bash, for task automation or security analysisExperience with cloud security principles, including identity and access management, network security, and data protection within the chosen platform (GCP or OCI)Preferred Qualifications: Degree in Computer Science, Information Security, or a related technical fieldRelevant Certifications such as CISSP, CCSP, CCSK, GCFA, GCIH, or cloud-specific security certifications (e.g., Google Cloud Security Engineer, Oracle Cloud Security Architect)Experience in security services and best practices within either Google Cloud Platform (GCP Security Command Center, Chronicle, IAM, Networking) OR Oracle Cloud Infrastructure (OCI Cloud Guard, Security Zones, IAM, Networking)Experience leading and coordinating complex cloud security incident investigations, including forensic analysis and containment strategiesAbility to develop and implement automation scripts and workflows (e.g., Python, Cloud Functions/Lambdas, SOAR platforms) to enhance incident response efficiencyClearance Requirements: Must have a current/active TS/SCI w/PolygraphPhysical Requirements: The person in this position must be able to remain in a stationary position 50% of the time.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Information SecurityJob Qualifications:Skills:Continuous Monitoring, Information Security, Risk Management FrameworkCertifications:NoneExperience:3 + years of related experienceUS Citizenship Required:YesJob Description:Information Systems Security Engineer (ISSE)We are seeking an experienced Information Systems Security Engineer (ISSE) to support Assessment and Authorization (A&A) and Continuous Monitoring (ConMon) activities, ensuring compliance with Risk Management Framework (RMF) requirements across multi-level classification environments with diverse technologies.Key ResponsibilitiesThe ISSE will play a critical role in maintaining system security by tracking and executing RMF actions in accordance with ICD 503 (NIST 800-53) to obtain and sustain system authorizations. Responsibilities include:Assessment & Authorization (A&A):Preparing and submitting Interim Authorization to Test (IATT) and Authority to Operate (ATO) requests with Plans of Action and Milestones (PoAMs)Developing, maintaining, and coordinating required Body of Evidence (BoE) documentation for system assetsCollaborating across Technical Services and Security Services teams, as well as customer agency stakeholders, to ensure complianceTracking workflow for lien remediation/resolution activities and entering tracking tool updatesEvaluating system change requests and assessing both system and organizational risks associated with modificationsContinuous Monitoring (ConMon):Executing ConMon activities within established timelines, including BoE collection and tracking tool updatesConducting recurring reviews of system state and security posture to ensure that systems are being operated securely, and information systems security policies and procedures are being implemented as defined.Providing recommendations for security control implementation and identifying necessary countermeasures or mitigating controlsResponding to queries and requests for security information and reportsIncident Response & Security Oversight:Supporting investigations of security incidents and reporting findings as necessaryAssisting in the communication, implementation and enforcement of security policies and plans for data, applications, hardware, and telecommunications systemsAdvising stakeholders on information assurance standards, dependencies, and emerging security technologiesEngaging with Enterprise Security Services tools (e.g., Trellix, ACAS, Splunk) to track and remediate vulnerabilities and compliance deficienciesRequired QualificationsEducation: Bachelor’s degree in Information Systems, Cybersecurity, or a related field (or equivalent experience)Experience: Minimum of 4 years of applicable experience in cybersecurity, RMF compliance, or system security engineeringCertifications:Required:DoD 8570 IAM Level I certification (CAP, CND, Cloud+, GSLC, Security+ CE, or HCISPP) – must be active and validPreferred:IAM Level II certification (CAP, CASP+ CE, CISM, CISSP (or Associate), GSLC, CCISO, or HCISPP)Preferred Skills:Experience with cloud security implementations in Azure or AWSStrong understanding of security policies, risk management, and vulnerability assessment toolsWhy Join GDIT At GDIT, we foster professional growth and provide opportunities to advance your career in a mission-critical environment. Our benefits include:401(k) with company matchComprehensive health and wellness programsDedicated internal mobility team to support career advancementPaid education and professional certification opportunitiesAccess to cutting-edge technologies and innovative projectsPaid vacation and holidays to support work-life balanceJoin us at GDIT and contribute to securing the future of national security.#Autobots The likely salary range for this position is $119,000 - $161,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-orientedTelephony Engineer to join our team inMcLean, VA. In this role, you will apply your expertise in various telecommunications and IT domains, including Linux, Korn shell scripting, PowerBuilder, BESS billing, and Telephony Provisioning Tools. Your responsibilities will include designing, developing, and maintaining voice media gateways that integrate seamlessly with telephony infrastructure.Responsibilities include, but are not limited to:Install, maintain, and analyze software, hardware, and transmission systems for voice communications.Ensure proper installation and support procedures for remote hardware and communication facilities.Collaborate with customers and vendors to define voice communication system requirements.Integrate telephony systems (VoIP, analog, ISDN) with voice media gateways and service modules.Manage and configure Linux servers (Ubuntu, CentOS) for hosting applications, ensuring performance, security, and stability.Utilize BESS Billing and Telephony Provisioning Tools to support telephony systems.Develop, test, and troubleshoot applications on Linux-based servers, including PowerBuilder and Korn shell scripts, while optimizing system performance.Minimum Qualifications: BA/BS and 9+ years of experience, or a combination of education and work experience equivalent to 13+ years.Strong experience with telephony systems (VoIP, analog, ISDN) and voice media gateway integration.Proficiency in Linux server management (Ubuntu, CentOS) and scripting languages (Korn shell, PowerBuilder).Experience with BESS Billing and Telephony Provisioning Tools.Excellent troubleshooting, problem-solving, and analytical skills with the ability to work independently.Preferred Qualifications:Experience integrating telephony systems with web applications (e.g., handling inbound/outbound calls, IVR, call routing).Knowledge of security best practices for telephony, server administration, and web applications.Knowledge and hands on experience with telephony systems and Linux server management, including installation, configuration, troubleshooting, and performance optimization.Qualified in Oracle Database Administrator.Experience provisioning telephony services.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Systems EngineeringJob Qualifications:Skills:Microsoft Deployment Toolkit (MDT), Microsoft Endpoint Configuration Manager, Windows Desktop Operating SystemsCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:We are seeking highly motivated engineers with a thirst for learning, in support a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating solutions for Microsoft Windows desktop operating systems will be positioned for success in our organization.The selected candidate will design, build, deploy, and administer large scale multi-domain enterprise Windows environments.The engineer will build and maintain Windows desktops for use on virtual and physical client hardware.The engineer will provide support to multiple globally dispersed WAN connected sites. Engineers will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements, creating design documentation, creating installation instructions and deployment plans, as well as providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments.Engineering solutions to be deployed via automated CM tools and hardening the solutions to address security and SCAP compliance.Responsibilities:Designs and defines system architecture for Windows desktop solutions and client based applicationsSupports the integration of the Windows desktop with a variety of enterprise servicesEvaluates desktop software and hardware technologies and determines the most efficient method to leverage the technology within the customer’s network environment.Administer, operate, manage and maintain components for Windows desktop deployments to include virtual and thick client environments.Reviews completion and implementation of system additions and/or enhancements and makes recommendations to management and/or clientsPlans and directs upgrades of Windows desktop operating system version(s) and supporting infrastructure and related components.Required Skills:CompTIA Security+ or similar for IAT Level II DoD 8570 certification.Active TS/SCI and CI PolygraphMECM / MCM packages experience as well as vast knowledge in OSD (O/S Deployment), MDT (Microsoft deployment toolkit)and Intune.Experience with Microsoft Windows desktop design engineering and implementation options.Experience with Microsoft deployment tools to include Microsoft Deployment Toolkit and Microsoft Endpoint Configuration Manager.Experience with engineering and deploying client software installation packages for Microsoft Windows desktops (physical and virtual).Experience with Application Virtualization to include, Citrix XenApp, Citrix App Layering, Microsoft APPV, and MSIX App Attach.Experience with maintaining Windows desktop systems for mobile users on laptop hardware.Experience with anti-virus and malware product integration within a Windows desktop configuration and remediation.Desired Skills:Experience with managing Windows Active Directory, Group Policy Management, DFS, DNS, DHCP, and VMware Dynamic Environment Manager.Experience with Microsoft Azure and Office 365.Experience with Windows Server 2016 and 2019.Experience with Microsoft Windows automation scripting with PowerShell or other scripting languages.Experience with managing and updating work tasks using ServiceNow.Experience with maintaining system security compliancy following DISA STIGs.GDIT Is Your Place:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidays#GDITcareers#OpportunityOwned#WeAreGDIT#transitioningmilitary#clearedjobs#veterans#AutobotsThe likely salary range for this position is $139,984 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Tier I Support Engineer Evenings to join our team in Tysons, VA. The Tier I Support Engineer will be part of a global team that provides 24x7 support to help customers seamlessly operate their hybrid on-premises Cloud infrastructure.In this role, you will troubleshoot technical problems for customers with a mix of debugging, networking, system administration, updating documentation, and when needed, coding/scripting.Responsibilities include but are not limited to:First contact for all Customer service requests - Answer phones, respond to chats and emails. A customer first attitude is a must.Maintain response and resolution speed as defined by SLOs;Keep high customer satisfaction scores and follow quality standards in 90% of cases.Familiar with Product and can reference runbooks and playbooks to provide a meaningful resolution to CustomerProvide high-touch assistance to highest Tier customers, build in-depth understanding of most pressing customer issues and act as an advocate for such issues with engineers and Program Managers. Work Shift – this is for a evening shift 2pm-10pm position. Schedule to include but not limited to rotating weekends that may be required. Schedule subject to change based on business need.Minimum Qualifications:Associate’s degree in computer science or related field with 1+ years of experience in the Information Technology field; an additional 2 years of Information Technology experience might be substituted for a degreeBasic understanding of Networking and Cloud technologiesWorking knowledge of Systems: UNIX/Linux or WindowsWorking knowledge of any customer service ticketing systemAbility to read runbooks & playbooks & provide meaningful summaries to CustomersWorking knowledge of Google Workspace Tools (Doc, sheets and Slides)Preferred Qualifications:Great communication skills (written and verbal)Experience working with ServiceNowCCNA or equivalentClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Software EngineeringJob Qualifications:Skills:Cloud IAM, Cloud Security, Threat DetectionCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Software Engineer Sr AdvisorWe are seeking highly motivated engineers with a thirst for learning, in support of a state of the art solution constructing a Multi-Cloud Ecosystem via a centralized Cloud Management Interface (CMI). The CMI is a controlled access entry to all Cloud Service Provider (Amazon, Google, IBM, Microsoft, Oracle) cloud services and business tools. This role will support the design, engineering and implementation of development requirements that enable CMI functionality. You will work closely with Government and contractor staff to design and provision software services that enable the CMI. Solutions will include improvements to the hybrid cloud environment and CMI supporting the integration of new cloud services, centralizing cloud functions to the CMI, and streamlining and centralizing cloud business functions. Team members will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements,creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.Responsibilities:Design, develop, test, and deploy scalable and efficient software solutions for cloud-based systemsCollaborate with cross-functional teams to identify and prioritize project requirementsParticipate with code reviews and ensure high-quality, modular, and reusable codeTroubleshoot and debug issues in the CMI, including performance optimization and error handlingStay up-to-date with industry trends and emerging technologies, applying this knowledge to improve our applicationDesired Skills & Experience:Experience managing a team of software engineers/developersExperience leading and managing a software projectUnderstanding or Proficiency with Cloud OrchestrationProficiency with a subset of the following:RESTful APISpring FrameworkJava / JVM languagesPythonRubyGoSingle Page ApplicationJavascriptRelational Database DesignSQLTest Case DevelopmentAgileWorking in and deploying software to cloud environmentsExperience with Cloud Security concepts such as Identity and Access Management, Data Encryption, Threat Detection, and Mitigation practicesKnowledge of Networking concepts Experience with managing work tasks via tools such as JIRA and ServiceNowSystem configuration based on security guidelines such as DISA STIGsCompTIA Security+ or similar for IAT Level II DoD 8570 certificationGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $139,984 - $180,716. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

ManTech seeks a motivated, career and customer-oriented Data Engineer to join our team in Chantilly, VA. The Data Engineer will leverage their development skills and experience, to support the successful designing, ingesting, cleansing, transformation, loading, and display of significant amounts of data.Responsibilities include but are not limited to:Designing, implementing, and optimizing data extraction, cleansing, transformation, loading, replication/distribution, and large-scale ingest systems in a Big Data environmentOptimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyondDeveloping custom solutions/code to ingest and exploit new and existing data sourcesDeveloping data profiling, deduping logic, and matching logic for analysisOrganizing and maintaining Data Layer documentation, so others are able to understand and use it. Also, work closely with data scientists to craft data pipelines which serve the development of modern AI/ML workflowsCollaborating with teammates, other service providers, vendors, and users to develop new and more efficient methodsEffectively articulating the risks and constraints associated with software solutions, based on environmentMinimum Qualifications:High School Diploma/GED with 5+ years software development/programming experience.Demonstrated data analysis, parsing, and programming language experience (e.g. Python, Java) coupled with significant SQL/database experience.Experience with the full data lifecycle, from ingest through display, in a Big Data environment.Hands-on experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIs.Experience with data pipelining systems (e.g. Apache Airflow) and developing/performing ETL tasks in a Linux environment.Preferred Qualifications:Experience deploying systems that leverage AI/ML technologyExperience publishing results in BI dashboards.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the time

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Network EngineeringJob Qualifications:Skills:Network Analytics, Network Engineering, Network InfrastructuresCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Network Engineer Sr AdvisorWe are seeking highly motivated engineers with a thirst for learning, in support of a state of the art solution constructing a Multi-Cloud Ecosystem via a centralized Cloud Management Interface (CMI). The CMI is a controlled access entry to all Cloud Service Provider (Amazon, Google, IBM, Microsoft, Oracle) cloud services and business tools. This role will support the design, engineering and implementation of network requirements that enable CMI functionality. Positions will provide engineering support to multiple WAN connected sites, with data flows crossing various controlled interfaces, and will follow specific IT project management and engineering lifecycle processes. Engineers will be responsible for supporting their solutions throughout the IT project lifecycle, to include refining requirements,creating design documentation, creating installation instructions and deployment plans, and providing O&M support. Project assignments will vary based on skill level, and may include engineering geographically dispersed services, integrating services into public, private and hybrid cloud environments, engineering solutions to be deployed via automated CM tools, and hardening the solutions to address security and SCAP compliance.Responsibilities:Administer, operate, manage and maintain network components for on-premises and cloud-based virtualized systemsDesign, develop, implement, and maintain (LAN, WAN, Wireless) network infrastructureDetermine network bandwidth needs and recommend measures to meet those requirementsDesign, recommend and implement new solutions to improve the resilience of network operationsConduct network modeling and analysis to construct a reliable, high-performance integrated networkMonitor network performance and troubleshoot problems and outagesSchedule updates and upgradesCollaborate with network architects to optimize system performanceEngage in data network fault investigationsSecure network systems with policies that define and monitor accessConfigure DNS servers and appliancesDesired Skills & Experience:Understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)Candidate should be familiar with the following technologies and protocols.Layer 2: Ethernet, ATM, Frame Relay, PPPoE, STP, 802.1q, 802.1x, MPLS, L2VPNsLayer 3: IP, IPv6, LDP, L3VPNs, RSVP, DHCP, IPSEC, PIM, IGMPLayer 4: TCP, UDPRouting Protocols: BGP, OSPF, IS-IS, EIGRPOther: SNMP, RADIUS, TACACS+Ability to setup, configure, upgrade, manage, and troubleshoot Cisco and Juniper routers, switches, firewalls, and Riverbed devicesExperience with managing work tasks via tools such as JIRA and ServiceNowPast experience with Cloud Service Routers (CSRv) and in migrating legacy on-premises networking infrastructures to cloud-based networks is beneficial but not required.Past experience with any of the following cloud provider environments is beneficial but not required: Amazon Web Services, Google Cloud Platform, IBM Cloud, Microsoft Azure, Oracle Cloud InfrastructurePast experience with the following items is beneficial but not required: Juniper QFX Series Router; Juniper Apstra; Forcepoint NextGen Firewall; Forcepoint Transfer Guard stack; Red Hat Ansible; RADIUS Server; Aruba Clearpass; Dynatrace; Azure Sentinel; Zscaler System configuration based on security guidelines such as DISA STIGsCompTIA Security+ or similar for IAT Level II DoD 8570 certificationGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $139,984 - $180,716. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans