ManTech seeks a motivated and mission-focused Principal Cyber Systems Engineer to join our team in Chantilly, Virginia.This role supports complex cybersecurity initiatives by delivering hands-on engineering expertise across a wide range of security technologies. You will help protect vital systems and drive cyber defense innovation in a collaborative, high-impact environment.Responsibilities include but are not limited to:Providing engineering support and system administration for specialized cybersecurity applications and systemsincluding installation, configuration, maintenance, patching, and backup/restorationServing as a subject matter expert in the creation, editing, and management of signatures, rules, filters, and custom content for cybersecurity systems such as IDS, IPS, firewalls, web application firewalls, proxy servers, and SIEMsApplying Systems Engineering best practices specific to Cyber Operations and evaluating enterprise-level cyber requirements against approved architectures and roadmaps; making informed recommendations for requirement approval or rejectionAdministering cybersecurity test beds, conducting tests and evaluations of new tools, access controls, configurations, and signatures/rulesProviding Tier 2 maintenance support for deployed cybersecurity technologiesCollaborating with cross-functional engineering teams to design and implement secure systems; working knowledge of the Risk Management Framework (RMF) and NIST 800-53 security controls is essentialPerforming the duties of an Information Systems Security Engineer (ISSE) in coordination with the Program’s ISSE TeamMinimum Qualifications:Bachelor’s degree in Information Technology, Information Security, or an additional 4+ years of cybersecurity experience in lieu of a degree7+ years of professional experience in cybersecurityAbility to obtain a DoD 8570 certification at IAM-III (CISSP, CISM, GSLC, CCISO) or IAT-III (GCIH, CISSP, CASP+, CCNP Security, CISA, GCED) within 6 months of hireStrong technical writing and documentation skills; capable of communicating with diverse stakeholders, from technical teams to senior leadershipExperience executing the RMF process from system categorization through continuous monitoringFamiliarity with Systems Security Engineering (SSE) documentation including Cybersecurity Strategies, Information Support Plans, and Program Protection Plans (PPPs)Preferred Qualifications:Experience with ICD 503 and associated Assessment and Accreditation processes and toolsFamiliarity with supplemental security control frameworks such as JSIG and/or ICD 503Security Clearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical 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.

Overview: Execute the installation of HVAC systems, hood systems, refrigeration systems, food service equipment, and shelving in new stores, rebuilds, and remodels. Install new equipment for rollouts of new menu items. Responsibilities: 1. Installation and troubleshoot refrigeration equipment, HVAC unit, duct work, food service equipment, hood systems and shelving according to action plan and quality standards. Balancing of HVAC systems, fryer hood, and dishwasher hood.2. Schedule and coordinate all equipment installation activities, in the absence of site leadership.3. Ensure all safety regulations are followed per federal, state, local, and Sheetz requirements.4. Be able to read, write, and follow instructions, such as blueprints, floor plans, wiring diagrams. Be able to hammer nails, use power tools, and distinguish colors.5. Complete accurate paperwork, including work orders, labor hours, warranty cards, equipment transfers, new store checklist, DOT logs, post trip vehicle inspections forms, and weekly transaction logs for procurement cards.6. Barcode and document equipment for tracking of warranties, analyzing reliability, maintenance issues, and technical support.7. Schedule and coordinate all equipment installation activities, in the absence of site leadership.8. Complete all assigned work in a timely, efficient manner, according to company standards. Qualifications: (Equivalent combinations of education, licenses, certifications and/or experience may be considered)Education• High School Diploma/GED required• Technical/Trade/Sheetz training requiredExperience• Minimum two years’ related experience requiredLicenses/Certifications• Valid Driver’s License• EPA certifications – license I and IITools & Equipment (Other than general office equipment):• Hand tools (hammer, measuring devices, wrench, level, etc.)• Power Hand tools (saws, drill press, grinders, sanders, etc.)• Welding tools (torch, plasma cutter, welder, etc.)• Motorized Equipment (generators, pressure washer, forklift, etc.)• Reclaimer, balometer Accommodations: Sheetz is committed to the full inclusion of all qualified individuals. Sheetz is committed to considering all applicants regardless of disability who can perform all essential job duties with or without accommodations.

Overview: We are seeking a highly skilled and experienced User Interface (UI)/User Experience (UX) Developer to join our Development team. As a UI/UX Developer, you will be responsible for designing intuitive interactions between users and digital products and documenting processes and instructions to meet the customer’s requirements. Travel: Negligible Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: United States citizenExperience in Python and JavaScriptExperience with data visualizationExperience in Grafana/Angular/Dash or other related libraries/applicationsExperience with control interface and operational display/interfaceAbility to clearly communicate design ideas to stakeholders and collaborate effectively with development teamsCapacity to identify user needs and design solutions to address complex problems Responsibilities: Design/Develop test harness workflow/user experience (UX)Design/Develop test harness user interface (UI)Document use case and processEnsure user has an intuitive interaction with the system and can interpret what is presented to make decisionsAdvise team on best practices early and oftenDevelop user instructionsWork with customer to understand needs; especially to prioritize elements of the workflow for different use cases Preferred Skills and Experience: Bachelor’s degree in Design, Human-Computer Interaction, or a related field Education: A Bachelor of Science (BS) degree from an accredited college or university in Design, Human-Computer Interaction, or a related field is desired Compensation: Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate’s experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements.The projected annual compensation range for this position is $79,000 - $110,000(USD). This estimate reflects the standard salary range for this position and is just one component of the total compensation package that SimVentions offers. Benefits: At SimVentions, we’re committed to supporting the total well-being of our employees and their families. Our benefit offerings include comprehensive health and welfare plans to serve a variety of needs.We offer:Medical, dental, vision, and prescription drug coverageEmployee Stock Ownership Plan (ESOP)Competitive 401(k) programsRetirement and Financial CounselorsHealth Savings and Health Reimbursement AccountsFlexible Spending AccountsLife insurance, short- & long-term disabilityContinuing Education AssistancePaid Time Off, Paid Holidays, Paid Leave (e.g., Maternity, Paternity, Jury Duty, Bereavement, Military)Third Party Employee Assistance Program that offers emotional and lifestyle well-being services, to include free counselingSupplemental Benefit Program Why Work for SimVentions : SimVentions is about more than just being a place to work with other growth-orientated technically exceptional experts. It’s also a fun place to work. Our family-friendly atmosphere encourages our employee-owners to imagine, create, explore, discover, and do great things together.Support Our WarfightersSimVentions is a proud supporter of the U.S. military, and we take pride in our ability to provide relevant, game-changing solutions to our armed men and women around the world.Drive Customer SuccessWe deliver innovative products and solutions that go beyond the expected. This means you can expect to work with a team that will allow you to grow, have a voice, and make an impact.Get Involved in Giving BackWe believe a well-rounded company starts with well-rounded employees, which is why we offer diverse service opportunities for our team throughout the year.Build Innovative TechnologySimVentions takes pride in its innovative and cutting-edge technology, so you can be sure that whatever project you work on, you will be having a direct impact on our customer’s success.Work with Brilliant PeopleWe don’t just hire the smartest people; we seek experienced, creative individuals who are passionate about their work and thrive in our unique culture.Create Meaningful SolutionsWe are trusted partners with our customers and are provided challenging and meaningful requirements to help them solve.Employees who join SimVentions will enjoy additional perks like:Employee Ownership:Work with the best and help build YOUR company!Family focus:Work for a team that recognizes the importance of family time.Culture:Add to our culture of technical excellence and collaboration.Dress code:Business casual, we like to be comfortable while we work.Resources: Excellent facilities, tools, and training opportunities to grow in your field.Open communication:Work in an environment where your voice matters.Corporate Fellowship: Opportunities to participate in company sports teams and employee-led interest groups for personal and professional development.Employee Appreciation:Multiple corporate events throughout the year, including Holiday Events, Company Picnic, Imagineering Day, and more.Founding Partner of the FredNats Baseball team:Equitable distribution of tickets for every home game to be enjoyed by our employee-owners and their families from our private suite.Food:We have a lot of food around here!FTAC

About LumenLumen connects the world. We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. People power progress.We’re looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future.The RoleWe are looking for Solution Architect who are passionate about leveraging technology innovation for the betterment of humanity. This exciting customer-facing solution engineering role will work in partnership with our Sales & Customer Success Executives, leading innovative conversations that help shape the growth of our enterprise customers as they embrace the 4th Industrial Evolution. Solution Architect design and architect solutions utilizing our technology services platform. The successful Solution Architect must have a strong desire to leverage their technical and sales skills, including business acumen, to understand business requirements, develop a technical sales strategy, and effectively present solutions that address our customers’ requirements and provide business value.The Solution Architect will be responsible for analyzing customer needs and requirements through strategic discovery, utilizing technical thought leadership, discussing industry best practices, and presenting our product offerings to prospects and customers based on each customer's specific business requirements. Recommending and proposing solutions to our customers with a goal to become a trusted advisor by highlighting how our products solutions enabling digital business strategies.TS/SCI with CI poly required.The Main ResponsibilitiesCrafts highly complex and custom designs to provide an integrated solution that differentiates Lumen’s services and meets customers’ requirements.Developing and presenting technical solutions that meet customer needs, including network design and equipment layout.Assisting the sales team in securing deals by providing technical information, product demonstrations, and presentations.Leads and attends customer meetings in person and via collaboration tools.Acts as customer advocate, participating in pre-sales efforts including technical sales presentations, architecture design discussions, proof-of-concept engagements, RFP/RFI responses, solution demonstrations, and technical workshops.Ability to incorporate Lumen products ranging from network services, edge computing, hybrid cloud, connected security and professional services into customer solution conversations.Convert designs into quoted solutions while ensuring accuracy for firm fixed pricing.Keeping abreast of the latest technological trends in telecommunications.Internal feedback loop to product management, sales and customer success leadership teams regarding the business value, product features/functionality, and service implementation/management.Support local sales teams in pursuit of key business opportunities, engage customers to address aspects of the data lifecycle. Collaborate with Client Success Executive/Manager, Solution Sales Overlay teams, and Product Management.What We Look For in a CandidateTS/SCI with CI poly required. Must meet eligibility requirements for access to classified information (applicants selected will be subject to a government security investigation).Ten years of experience with technology focused in design, engineering, pre-sales consulting or similar background.Possess knowledge of Enterprise Architecture and Design with ability to act autonomously across multiple technology areas.Proficiency of technical solution knowledge across connected security, global network infrastructure, edge cloud capabilities, connected security, communication and collaboration services.Technical pre-sales and/or consulting experience with a progressive track record of increasing levels of solution complexity and responsibility.Able to develop relationships and communicate with senior level federal technical staff and line of business leaders.Strong understanding of WAN/LAN connectivity.Strong understanding in Security solutions.Strong understanding in Cloud & Architecture design. Azure, AWS, GCPStrong understanding in Network Functions Virtualization.Strong Telecommunications Layers 1/2/3/4/5/6/7Communication: Ability to independently orchestrate & lead discussions encompassing telecommunications technologies, including network design, architecture and support with clients across many levels including C-level, VPs and Directors within IT.Sales Ability: Leads discussions with internal stakeholders to construct Total Cost of Ownership & evaluate Return on Investments for large enterprise customers when identifying & crafting customer solutions. Approach: Highly proactive, consultative, creative and positive with a can-do attitude.Problem Solving: Expert problem-solving skills and ability to methodically understand and resolve complex issues across multiple products to integrate into a seamless customer solution. Presentation Skills: Excellent presentation skills as well as the ability to build and present high-quality solutions to both technical and executive audiences that articulate the business value of the technical solution.Some Travel required.Industry certifications are a plus. Education: B.S. in related field or equivalent work experience in the private sector or military.CompensationThis information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.Location Based Pay Ranges:$121,559 - $162,068 in these states: COLumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.Learn more about Lumen's:BenefitsBonus StructureWhat to Expect Next#LI-DM1Requisition #: 338359Background ScreeningIf you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page. Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.Equal Employment OpportunitiesWe are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.DisclaimerThe job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.Application Deadline07/08/2025

ManTech seeks a motivated, career and customer-orientedInformation Technology Group Lead to join our team in theChantilly, VA.As the IT Group Lead you will be providing technical expertise and management for a large distributed IT infrastructure. This role provides senior-level oversight of the organization's distinct IT infrastructure, strategy, and operations. This position ensures the technology aligns with business goals by managing teams, budgets, and projects, while staying updated on emerging technologies to drive innovation and maintain security across systems and data.Responsibilities include but are not limited to:Develop and execute a comprehensive IT strategy aligned with organizational objectives, including technology roadmaps, budget allocation, and future technology adoption.Lead and mentor IT teams across various disciplines like systems administration, network engineering, security, and helpdesk by assigning tasks, and evaluating performance.Oversee the organization's IT infrastructure, including servers, networks, data centers, and cloud services, ensuring optimal performance, reliability, and security.Initiate, plan, and execute IT projects, including new system implementations, upgrades, and system migrations, while adhering to timelines and budgets.Develop and manage the IT budget, optimize resource allocation, and identify cost-saving opportunities.Effectively communicate IT initiatives and updates to stakeholders at all levels, including executives, users, and technical teams.Stay abreast of emerging technologies and assessing their potential impact on the organization, driving innovation and continuous improvement.Domestic Travel up to 25%Minimum Qualifications:Bachelor’s degree in Information Technology or related field with 7 or more years of experience in the Information Technology fieldDemonstrated leadership and management of people and teamsExperience in developing and mentoring personnel; identifying opportunities for personnel training and skills advancementKnowledge and experience providing technical management to IT Teams procuring, installing, configuring, testing, and maintaining distributed IT SystemsExperience with interfacing and briefing military, civilian, and contractor personnel at all levelsExperience preparing and presenting senior level briefings, reports, and IT project schedulesPossesses and can articulate up-to-date knowledge of latest IT developments and trendsPreferred Qualifications:Previous NRO and NRO/COMM experience is highly desired.ITIL Foundations or higher certification is highly desiredProject Management Professional (PMP) certificationOne or more of the following certifications is desired: MCSE - Microsoft Certified System Engineer, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network Administrator, Security +Experience using a Service Desk ticketing system, such as Remedy or ServiceNowExperience maintaining ICD503 accredited systemsClearance Requirements:Must have a current / 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, which may involve delivering presentations

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are looking for a mid-level Software Engineer to join our team! This individual will provide software engineering in an Agile development environment as part of a team creating prototype robotic systems to support live training exercise Travel: 10-15% Clearance: An ACTIVE Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: United States CitizenshipAt least four (4) years of Python software development experienceIn-depth understanding of Androidsoftware and application developmentAbility to clearly and accurately document software source code, specifications, and manualsModeling and/or simulations, interface coding, TCP/IP, and serial communicationsExcellent oral and written communication skillsAbility to collaborate constructively and present overall results with other government and contractor personnelAbility to thrive in a flexible and dynamic work environment Responsibilities: Writing, troubleshooting, and supporting Python software, usually written for ROS2 (Robot Operating System)Design and build advanced applications for the Android platformServe as an Agile Scrum team member providing software development and maintenance for the delivery of releasable softwareGain understanding and knowledge of various robotic systemsActively support all aspects of the system development lifecycle (analysis, requirements definition, design, coding, development and unit testing, maintenance and preparing associated documentation) with an emphasis on software development Preferred Skills and Experience: Experience with writing, testing, maintaining, and supporting live mobile applications for the Android Tactical Assault Kit (ATAK) systemsExperience with ROS2C++ development experience for performance critical codeExperience with developing software for UbuntuWillingness to travel to support test events in the fieldComfortable working on a team and interfacing with outside entitiesWillingness to adapt quickly to new requirementsAgile/SCRUM experienceKnowledge of Git and GitLabExperience with Hardware-in-the-loop (HWIL) and/or Software-in-the-loop (SWIL) testing Education: A Bachelor of Science (BS) degree from an accredited college or university in an engineering, scientific, or technical discipline is required. Compensation: Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate’s experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements.The projected annual compensation range for this position is $80,000 - $110,000(USD). This estimate reflects the standard salary range for this position and is just one component of the total compensation package that SimVentions offers. Benefits: At SimVentions, we’re committed to supporting the total well-being of our employees and their families. Our benefit offerings include comprehensive health and welfare plans to serve a variety of needs.We offer:Medical, dental, vision, and prescription drug coverageEmployee Stock Ownership Plan (ESOP)Competitive 401(k) programsRetirement and Financial CounselorsHealth Savings and Health Reimbursement AccountsFlexible Spending AccountsLife insurance, short- & long-term disabilityContinuing Education AssistancePaid Time Off, Paid Holidays, Paid Leave (e.g., Maternity, Paternity, Jury Duty, Bereavement, Military)Third Party Employee Assistance Program that offers emotional and lifestyle well-being services, to include free counselingSupplemental Benefit Program Why Work for SimVentions : SimVentions is about more than just being a place to work with other growth-orientated technically exceptional experts. It’s also a fun place to work. Our family-friendly atmosphere encourages our employee-owners to imagine, create, explore, discover, and do great things together.Support Our WarfightersSimVentions is a proud supporter of the U.S. military, and we take pride in our ability to provide relevant, game-changing solutions to our armed men and women around the world.Drive Customer SuccessWe deliver innovative products and solutions that go beyond the expected. This means you can expect to work with a team that will allow you to grow, have a voice, and make an impact.Get Involved in Giving BackWe believe a well-rounded company starts with well-rounded employees, which is why we offer diverse service opportunities for our team throughout the year.Build Innovative TechnologySimVentions takes pride in its innovative and cutting-edge technology, so you can be sure that whatever project you work on, you will be having a direct impact on our customer’s success.Work with Brilliant PeopleWe don’t just hire the smartest people; we seek experienced, creative individuals who are passionate about their work and thrive in our unique culture.Create Meaningful SolutionsWe are trusted partners with our customers and are provided challenging and meaningful requirements to help them solve.Employees who join SimVentions will enjoy additional perks like:Employee Ownership:Work with the best and help build YOUR company!Family focus:Work for a team that recognizes the importance of family time.Culture:Add to our culture of technical excellence and collaboration.Dress code:Business casual, we like to be comfortable while we work.Resources: Excellent facilities, tools, and training opportunities to grow in your field.Open communication:Work in an environment where your voice matters.Corporate Fellowship: Opportunities to participate in company sports teams and employee-led interest groups for personal and professional development.Employee Appreciation:Multiple corporate events throughout the year, including Holiday Events, Company Picnic, Imagineering Day, and more.Founding Partner of the FredNats Baseball team:Equitable distribution of tickets for every home game to be enjoyed by our employee-owners and their families from our private suite.Food:We have a lot of food around here!FTAC

ManTech seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. Responsibilities include but are not limited to:Maintain operations of identity and access management services including directory, access, identity, and privileged access management servicesMaintain infrastructure in cloud or virtualized environmentsPerform Linux based system upgrades and patchesEngineer and deployment of a privileged access management (PAM) solutionEngineer and deployment of a Multi Factor Authentication (MFA) solutionManage Continuous Monitoring (CONMON) activitiesMaintain Authority to Operate (ATO)Provide status reports in an Agile environmentPeriodically providing after-hour supportMinimum Qualifications:Bachelor’s degree in an information Technology field and 4+ years of relevant experience or 10+ years of experience lieu of degreeExperience working in LINUX environmentsKnowledge of LDAP directory and managing databasesAbility to create scripts to assist with automation effortsMust have or be willing to obtain IAT Level II certifications within 6 months of hirePreferred Qualifications:Experience with Ansible, and writing automation playbooksExperience with PKI principalsExperience working in an Agile environmentExperience working in a Dev/Ops environmentKnowledge of Identity and Access Management principalsClearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Principal Cyber Network Engineer to join our team in Chantilly, Virginia. As a Principal Cyber Network Engineer, you will be responsible for expanding network modeling of various vendor network devices, such as routers, switches, load balancers and firewalls as well as virtual network devices and cloud environments. Research various network devices’ features affecting “access” and create a proposal for modeling such features in RedSeal. As such, you will introduce new data streams from network devices into RedSeal’s analytics engine.Responsibilities include but are not limited to:Work closely with customers on onboarding, updates and troubleshooting issues with cybersecurity toolsProvides insight into efficiencies that can be gained from the current workflow based on an understanding of the customers’ requirementsWork with Engineers on troubleshooting and building proof-of-concept network topologiesAnalyze customer feedback to assist in process improvementPerforms engineering support and system administration of specialized cybersecurity applications and systems to include installation, configuration, maintenance, patching, and back-up/restoreProvides Tier 3 maintenance and engineering support for deployed cybersecurity technologiesIdentifies potential conflicts with implementation of any cybersecurity tools within the enterprise and develops recommendations to remediate these conflictsProvides ideas for automating repetitive project tasks and metrics collection through the use of scripts and assists with testing/implementation to productionMinimum Qualifications:Bachelor’s degree or 4+ years of additional experience in lieu of degree7+ years of related network experience (firewalls, routers, switches and load balancers)Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, and network security concepts is requiredKnowledge of and the use of AWS cloud technologiesMust have or be willing to obtain IAT Level II or higher certification within 6 months of hirePreferred Qualifications:Experience with programming languages such as Python, Go, Java, Java Script, Node.jsKnowledge of federal Cyber Security Guidance such as NIST SP 800-37 – Guide for Applying the Risk Management Framework (RMF) to Federal Information Systems and NIST 800-137 – Information Security Continuous Monitoring (ISCM) for Federal Information Systems and OrganizationsClearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in the Chantilly, VA.Responsibilities include but are not limited to:Troubleshoot new and current data collection issuesTroubleshoot system issues that make the system unstable or unusable.Deploy and manage all supported and unsupported Splunk Add-ons that are required for specific data sourcesProvide documentation such as body of evidence documents (as needed), engineering documents, change management documents, system security plans, and accreditation documentsDeliver a comprehensive Splunk deployment document to detail the specifications, deployment methods, and other architectural considerations to the production environment.Maintain a strict role-based access control solution around the data collected, to provide a need-to-know abilityForward Configurations and Deployments: Design and deploy forwarders rapidly with centralized configuration management (Splunk Deployment Server).Minimum QualificationsBachelor’s degree or 4+ additional years of cyber experience in lieu of degree10+ years of experience in a cyber roleExperience with Security Information and Event Management (SIEM) platforms, and/or SplunkKnowledge of Linux systems administration, general operating system security practices, TCP/IP networking, and network security conceptsKnowledge of Certification & Accreditation processesKnowledge of DoD policy and technical security guidance to information systemsDoD Directive 8570.1 IAT Level II or higher certification or ability to obtain within 6 months.Splunk Certification is requiredPreferred Qualifications:Experience with Linux, Red Hat and CentOSExperience with AWS or other cloud environmentsKnowledge of ICS 500-27 for Audit collection requirementsKnowledge of Enterprise Security Services, Host Base Security Service, Enterprise Vulnerability Scanning Service, and UAMAbility to modify feed creation to ingest customer logs in a standard format to meet policy requirements.Security Clearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Principal Cyber Support Developer to join our team in the Chantilly, VA.Responsibilities include but are not limited to:Integrate, tailor, engineer, design, and maintain cybersecurity relevant features & capabilities using well-known windows and cloud vendor capabilities/services/platforms (e.g. Amazon Web Services, MS Azure, Oracle Cloud) or 3rd party vendor cloud products to align & support NIST cybersecurity framework (Identify, Protect, Detect, Respond, Recover) customer mission goals.Apply system security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification, authentication, and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing.Overall desire to automate sundry of cybersecurity-related workflows, develop solution patterns with cloud-managed resources & features, implement automated solution(s) where feasible related to Security-Orchestration-Automation-and-Response (SOAR), and deploy & maintain solutions enabling cyber operations monitoring teams.Provide inputs, participate, and assist with architecture design and documentation by using a blend of Agile, ITIL, and/or general waterfall-based delivery framework approaches depending on specific project activity or enterprise security service.Interact with stakeholder, customer, and data consuming team(s) to turn cyber data into action with intelligent analytics and clear insights, define input requirements to support data models, and final outputs for quick analysis and summary reporting for actions.Lead or brief in-depth technical meetings providing subject matter expertise when needed and demonstrate ability to pivot between work assignments in a small (2-3 person), high­ performance team based on fast-paced customer prioritization needs.Use Linux OS [graphical user interface (GUI) and command line interface (CLI)], preferably experience with Red Hat v8.0. Experience with Windows Server 2016, Windows Server 2019, Active Directory, Server Roles, Access Rights and Security Groups. TCP/IP networking, 802.1x and network security concepts is required.Minimum Qualifications:Bachelor's degree or 4+ years of additional software development in lieu of degree7+ years of software development experienceExperience with Git, Gitlab, developing with continuous integration-continuous delivery (Cl/CD) pipelineExperience with software programming integrating data protection/encrypt-decrypt capabilities to support data confidentiality and integrity requirements.Experience with installation and administration of COTS applications on RHEL and/or Microsoft Windows Server v2019 & v2022Experience with scripting in Linux, Bash, PowerShell, Python, or comparable languageIAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certificationPreferred Qualifications:Experience with developing and implementing solutions associated with Microsoft Windows Server and RedHat Enterprise Linux.Experience with cloud technologies (AWS, Azure) and virtualization (VMware, Hyper-V)Strong understanding of networking concepts, including DNS, DHCP, and VPN technologiesExperience with Data Integration, Data Engineering and Data Lake implementations using ETL, Big Data and Cloud Technology.Knowledge of Security Information and Event Management (SIEM) software and Container Services like Docker and KubernetesClearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Senior Cyber Network Engineer to join our team in Chantilly, Virginia. As a Sr. Cyber Network Engineer, you will be responsible for expanding network modeling of various vendor network devices, such as routers, switches, load balancers and firewalls as well as virtual network devices and cloud environments. Research various network devices’ features affecting “access” and create a proposal for modeling such features in RedSeal. As such, you will introduce new data streams from network devices into RedSeal’s analytics engine.Responsibilities include but are not limited to:Work closely with customers on onboarding, updates and troubleshooting issues with cybersecurity toolsProvides insight into efficiencies that can be gained from the current workflow based on an understanding of the customers’ requirementsWork with Engineers on troubleshooting and building proof-of-concept network topologiesAnalyze customer feedback to assist in process improvementPerforms engineering support and system administration of specialized cybersecurity applications and systems to include installation, configuration, maintenance, patching, and back-up/restoreProvides Tier 3 maintenance and engineering support for deployed cybersecurity technologiesIdentifies potential conflicts with implementation of any cybersecurity tools within the enterprise and develops recommendations to remediate these conflictsProvides ideas for automating repetitive project tasks and metrics collection through the use of scripts and assists with testing/implementation to productionMinimum Qualifications:Bachelor’s degree or 4+ years of experience in lieu of degree5+ years of related network experience (firewalls, routers, switches and load balancers)Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, and network security concepts is requiredKnowledge of and the use of AWS cloud technologiesMust have or be willing to obtain IAT Level II or higher certification within 6 months of hirePreferred Qualifications:Experience with programming languages such as Python, Go, Java, Java Script, Node.jsKnowledge of federal Cyber Security Guidance such as NIST SP 800-37 – Guide for Applying the Risk Management Framework (RMF) to Federal Information Systems and NIST 800-137 – Information Security Continuous Monitoring (ISCM) for Federal Information Systems and OrganizationsClearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Senior DevOps Developer to join our team in Chantilly, VA or Denver, CO.Responsibilities include but are not limited to:Develops ServiceNow solutions and enhancements using core platform capabilitiesDevelops the applications including configuration, report development and data migration, where applicableIdentifies and implements best-practice solutions to address client requirementsPerforms unit-testing and resolves code defectsMigrates code changes to the production environmentAssists with technical design and documentationCollaborates with internal stakeholders and team members to build solutions in ServiceNow that support business requirementsMinimum Qualifications:5+ years of software development experienceBachelor’s degree or 4 additional years of software development experience2+ years of experience working on a large and complex software development projectExperience with developing Service Catalog and ServiceNow workflowsExperience with at least one scripting language (Ruby, Python, Perl, Bash, JavaScript)DOD approved 8570 IAT Level II Certification (e.g. Security+ CE) or ability to obtain within six months of hire.Preferred Qualifications:Certified ServiceNow Administrator (CSA)Clearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Senior Principal Azure Cloud Engineer to join our team in Chantilly, VA.Responsibilities include but are not limited to:Work with Azure cloud services and infrastructure and knowledge of Infrastructure as Code (IaC) tools like Terraform or ARM templates.Troubleshoot and resolve cloud infrastructure issues.Implement Azure security best practices and Windows and Linux server management.Use Azure data services and containerization technologies and DevOps tools such as Azure DevOps, Jenkins, and GitHub. Proficient in scripting languages such as PowerShell, Python, or Azure CLI.Help with network security groups (NSGs) and application gateways.Work with Azure services including compute, storage, networking, and databases.Provide knowledge of security best practices and compliance standards, Excellent problem-solving skills and communication and collaboration skills.Minimum Qualifications:Bachelor’s degree in computer science, Information Technology, a related field or 5+ years of additional Azure Cloud experience in lieu of degree5+ years of experience in cloud computing with a focus on Microsoft Azure.Experience with designing and implementing Azure-based solutions with Experience in DevOps practices and tools (e.g., Azure DevOps, Jenkins, Git) and infrastructure as code tools like ARM templates, Terraform, or Ansible.Experience with Azure Resource Manager templates, BICEP, or similar cloud templates, GitHub Enterprise, GitLab, Azure DevOps, architecture frameworks like TOGAF or Zachman or other code repositories experience.Experience with PowerShell, Bash, Python, YAML, JSON or Ansible for automationMinimum DoD 8570 IAT Level 2 certification required (CCNA Security, GICSP, GSEC, Sec+, CND, SSCP) or DoD 8570 Computing Environment certification within 6 months of hirePreferred Qualifications: Master’s degreeKnowledge of containerization technologies such as Docker and Kubernetes with experience with other cloud platforms (e.g., AWS, Google Cloud Platform).Knowledge of Federal Information Processing Standards (FIPS)-199, NIST SP 800-53, NIST SP 800-53A, NIST SP 800-37, and DoD Cloud Security Requirements Guide.Microsoft Certified Azure Administrator Associate, Microsoft Certified Azure Security Engineer Associate, Microsoft Certified Solutions Expert Cloud Platform and Infrastructure, or Azure Solutions Architect ExpertClearance 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. 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.

ManTech seeks a motivated, career and customer-oriented DevOps Developer to join our team in Denver, CO or Chantilly, VA. Responsibilities include but are not limited to:Develops the applications including configuration, report development and data migration, where applicableIdentifies and implements best-practice solutions to address client requirementsPerforms custom development and 3rd party integrationsPerforms unit-testing and resolves code defectsMigrates code changes to the production environmentAssists with technical design and documentationCollaborates with internal stakeholders and team members to build solutions that support business requirementsMinimum Qualifications:Bachelor’s degree or 4+ years of additional software development experience in lieu of degree5+ years of software development experience2+ years of experience working on a large and complex software development projectExperience with developing Service Catalog and ServiceNow workflowsExperience with at least one scripting language (Ruby, Python, Perl, Bash, or JavaScript)IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certification or ability to obtain within 6 months of hirePreferred Qualifications:Ability to function in a fast-paced environment and effectively manage multiple tasks simultaneously; coordinating resources and ensuring scheduled goals are metAbility to effectively interact with various levels of senior management is necessaryAbility to make decisions and resolve problems effectively – seek out information and data to evaluate, prioritize and formulate best solution or practiceCertified ServiceNow Administrator (CSA)Clearance 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. 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.

ManTech seeks a motivated, career and customer-oriented Data Scientist to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a part of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives. You will be providing support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data science and analytics solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Design, develop, and deploy cloud analytics and data science solutions.Develop models and solutions applied to problem sets in a broad range of data science and data analytics areas, including but not limited to, graph analytics, anomaly detection, geo-spatial analysis, and data visualization.Contribute data science expertise to solution development through whiteboarding sessions with clients, partners, and coworkers.Address data science technical challenges in the development of solutions, including algorithms, models, data manipulation, or other technical challenges related to data science and data analytics.Ensure the quality and performance of analytics solutions through rigorous testing and validation.Adhere to security and compliance standards, ensuring the protection of sensitive government data.Contribute to statistical and advanced analytics models using advanced analytic techniques. Create robust and resilient data pipelines to connect data sources to analytic and AI tools and solutions.Minimum Qualifications:Bachelor’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or related field and at least 6 years of experience OR a Master's degree and 4 years of experience.Equivalent experience will be considered in lieu of degree.Proven experience in Oracle Analytics Cloud or similar analytics platforms.Experience working across environments and on premise.Strong experience constructing and performing complex database search queries.Understanding of security and compliance standards related to handling sensitive Government data.Preferred Qualifications:Master’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or related fieldAdvanced certifications in Oracle Analytics Cloud or related technologies.Experience in developing and implementing machine learning models.Clearance Requirements:Must possess a current and active TS/SCI with polygraphPhysical 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.

ManTech seeks a motivated, career and customer-oriented Data Engineer to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a part of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives. You will be providing support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data migration solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Design and implement robust data pipelines to ingest, transform, and integrate data from various systems and networks, ensuring seamless data flow.Collaborate with cloud and system architects to establish secure and efficient data transfer protocols among different networks and systems.Work with data consumers to develop data requirements to support analytics and machine learning tasks.Implement data pipelines and data storage solutions to support analytic workflows.Optimize data pipelines and storage solutions for performance, ensuring low latency and high throughput for real-time and batch data processing.Implement robust security measures to protect sensitive data and ensure compliance with relevant data security policies and practices.Minimum Qualifications:Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field and at least 7 years of experience in data engineering, data architecture, or related roles. Additional equivalent experience may be considered in lieu of degreeExperience with cloud services from providers such as Oracle and their data storage and database servicesExperience with data replication and change data capture tools such as Oracle GoldenGateExperience with data warehousing, data lakes, and big data technologiesProficiency in programming languages such as Python, Java, or SQLExperience with SQL and NoSQL databasesPreferred Qualifications:Master’s degree in Computer Science, Information Technology, Engineering, or a related field.Familiarity with data security and compliance frameworks (e.g., NIST framework).Cloud certifications such as AWS Certified Developer, Oracle Cloud Infrastructure.Familiarity with records management policies and procedure. Familiarity with big data technologies like Hadoop, Spark, and Kafka.Knowledge of data governance and metadata management.Clearance Requirements:Must possess a current and active TS/SCI with polygraphPhysical 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.

ManTech seeks a motivated, career and customer-oriented Lead Data Scientist to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a key member of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives. This leadership role involves guiding a team and collaborating with others to implement this transformative process. You will be responsible for providing expert guidance and support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data science and analytics solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Lead the design, development, and deployment of cloud-based analytics and data science solutions.Develop models and solutions applied to problem sets in a broad range of data science and data analytics areas, including but not limited to, graph analytics, anomaly detection, geo-spatial analysis, and data visualization.Perform knowledge elicitation from client of business problem details and incorporate that knowledge into algorithms, models, analytics and approaches in client solutions.Contribute data science expertise to solution development through whiteboarding sessions with clients, partners, and coworkers.Address data science technical challenges in the development of solutions, including algorithms, models, data manipulation, or other technical challenges related to data science and data analytics.Collaborate with clients to understand their business needs and translate them into technical requirements.Ensure the quality and performance of analytics solutions through rigorous testing and validation. Adhere to security and compliance standards, ensuring the protection of sensitive government data.Minimum Qualifications:Bachelor’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or related field and 10 years of experience OR a Master's degree and 8 years of experience.Proven experience in Oracle Analytics Cloud or similar analytics platforms.Demonstrated ability to lead and manage a team of engineers.Management experience, including project, people, customer, and financial management.Understanding of security and compliance standards related to handling sensitive Government data.Preferred Qualifications:Master’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or a related field.Advanced certifications in Oracle Analytics Cloud or related technologies.Experience in developing and implementing machine learning models.Strong communication and interpersonal skills to effectively collaborate with clients and team members.Clearance Requirements:Must possess a current and active TS/SCI with polygraphPhysical 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.

ManTech seeks a motivated, career and customer-oriented AISoftware Developer to join our team in the Northern VA area. As part of the position, you will act as a senior principal consultant designing and implementing individual components of PaaS and SaaS services for AI applications. This is a fully onsite position in the Northern VA area.Responsibilities Include But Are Not Limited To:Analyzes detailed requirements and develops detailed design for a specific PaaS or SaaS component.Provides implementation services for a specific PaaS and SaaS component to include extensions and additional configurations necessary to implement customer unique business processes and workflows. Develops, implements, and maintains software solutions AI-enabled applications.Works closely with data scientists to understand project requirements and translate them into technical specifications.Develops and integrates AI and ML capabilities on a cloud-hosted data platform that supports significant market adoption, high performance, and strict access control and governance.Stays current with advancements in AI, machine learning, and software engineering, incorporating best practices into the development process.Performs routine health checks and optimizations of system performance, availability, access controls and security. Performs system optimization, performance tuning and assists in capacity planning.Performs proactive analysis of potential issues, risks and roadblocks during system implementation and operations.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology, or a related field.6 or more years (5 with Master’s) of experience in software development, systems integration, data management, or related fields.3 or more years of consulting experienceExperience with configuring and developing in a major public cloud system such as Oracle, Azure, AWS, or GCP.Experience in programming and/or scripting languages such as JavaScript, Python, C++, or Java.Experience with software development frameworks and tools (e.g., TensorFlow, PyTorch, Flask, Docker).Strong understanding of software engineering principles, including design patterns, data structures, and algorithms.Experience with DevOps tools and techniques for building integrations with external systems including Infrastructure as Code (IaC). Example tools include Jenkins, GitLab, Ansible, Terraform, AWS Cloud Formation TemplatesPreferred Qualifications:Master's degree in Computer Science, Information Technology, or a related field.Experience with social media platforms, collaboration systems, and web scraping tools.Strong analytical and problem-solving skills.Excellent communication and interpersonal skills.Ability to work effectively in a team-oriented environment.Clearance Requirements:Must possess a current and active TS/SCI with polyPhysical 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.

ManTech seeks a motivated, career and customer-oriented Senior Software Developer - Cloud to join our team in Chantilly, VA. Responsibilities include but are not limited to:Designing and implementing large-scale ingest systems in a Big Data environmentOptimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyondDesigning and implementing data extraction, cleansing, transformation, loading, and replication/distributionDeveloping custom solutions/code to ingest and exploit new and existing data sourcesWorking with Sponsor development teams to improve application performanceOrganizing and maintaining documentation so others are able to understand and use itCollaborating with teammates, other service providers, vendors, and users to develop new and more efficient methodsMinimum Qualifications:High School Diploma/GED with 15+ years of experience in the Information Technology fieldStrong software development experience, to include significant Java development, data analysis/parsing, and SQL/database experienceStrong experience with the full data lifecycle, from ingest through display, in a Big Data environmentStrong experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIsExperience developing and performing ETL tasks in a Linux environmentPreferred Qualifications:Experience with Hadoop, Hbase, MapReduceExperience with ElasticsearchExperience with NiFi, Kafka, and ZookeeperClearance 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 timeThe 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 situations

ManTech seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development.Responsibilities include but are not limited to:Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the futureAnalyzing user needs and software requirements to determine feasibility of design within time and cost constraintsCollaborating with teammates, other service providers, vendors, and users to develop new program featuresDeveloping unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correctCorrecting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced. As well as, reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issuesParticipating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.Deploying code to development, test, and production environments using existing DevOps infrastructure/toolsMinimum Qualifications:High School Diploma/GED with 2+ years of experience in the Information Technology fieldStrong Java programming/development skills, with hands-on experienceExperience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably AngularExperience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPAExperience with Git branching and merging within a team to manage source codePreferred Qualifications:Strong ability to manage competing priorities and communication to multiple stakeholdersExperience with, or knowledge of, ElasticsearchExperience with, or knowledge of, best practices for developing secure web applicationsClearance 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

ManTechseeks a motivated, career and customer-orientedEnterprise IT Support Officer (EITSO) - Location Support Center (LSC) to join our team inChantilly, VA. In this role, you will provide technical support and customer service to the customers users of computer applications and hardware (e.g., PCs, servers, mainframes).Responsibilities include, but are not limited to:Using ITIL-based processes to streamline the ingestion, triage, categorization, action, and resolution for incoming incidents, requests, and demands.Analyzing, troubleshooting, designing, and implementing fixes.Performing remote desktop triage and system repair using remote tools.Answering questions regarding system procedures, online transactions, systems status, and downtime procedures.Supporting all facets of installations, which includes the physical placement of which includes the physical placement of desktop IT equipment to include printers, CAT5 and fiber optic cable, rack mounted network equipment, switches, workstations, and communications equipment as required.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. Occasional late coverage until 8:00 p.m. when required.Minimum Qualifications:Bachelor’s Degree and 4+ years of experiences, or a combination of education and work experience equivalent to 8+ years. Minimum 4 years’ experience required supporting customer IT installations.Resolving technical problems and answering queries by telephone or self-service that involve computer hardware, software, network, system/application access, and telecommunications systems.Knowledge of Windows Active Directory, multiple desktop programs, configuration and debugging techniques.Experience providing technical support for Windows 10, Microsoft Office 2016 or later, multiple internet browsers, and standard business applications used within a business environment.Familiarity with TCP/IP, general networking issues, virus scanning services (desktop, stand-alone and laptop computing services), servers, printers, peripheral devices, installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Preferred Qualifications:Related work experience in a technical help desk position, refreshing of IT equipment, providing deskside IT support and installation of IT hardware, networks, VoIP phones, and/or audio/video equipment.Component Mission Administrator (CMA) Certification.Special non-commercial systems administrator experience (access management/file transfer).Strong communication skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. 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.Must be able to move/traverse within and between buildings and offices, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTechseeks a motivated, career and customer-orientedEnterprise IT Support Officer (EITSO) - Location Support Center (LSC) to join our team inChantilly, VA. In this role, you will provide technical support and customer service to the customers users of computer applications and hardware (e.g., PCs, servers, mainframes).Responsibilities include, but are not limited to:Using ITIL-based processes to streamline the ingestion, triage, categorization, action, and resolution for incoming incidents, requests, and demands.Analyzing, troubleshooting, designing, and implementing fixes.Performing remote desktop triage and system repair using remote tools.Answering questions regarding system procedures, online transactions, systems status, and downtime procedures.Supporting all facets of installations, which includes the physical placement of which includes the physical placement of desktop IT equipment to include printers, CAT5 and fiber optic cable, rack mounted network equipment, switches, workstations, and communications equipment as required.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. Minimum Qualifications:Bachelor’s Degree and 2+ years of experiences, or a combination of education and work experience equivalent to 6+ years. Minimum 2 years’ experience required supporting customer IT installations.Resolving technical problems and answering queries by telephone or self-service that involve computer hardware, software, network, system/application access, and telecommunications systems.Knowledge of Windows Active Directory, multiple desktop programs, configuration and debugging techniques.Experience providing technical support for Windows 10, Microsoft Office 2016 or later, multiple internet browsers, and standard business applications used within a business environment.Familiarity with TCP/IP, general networking issues, virus scanning services (desktop, stand-alone and laptop computing services), servers, printers, peripheral devices, installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Preferred Qualifications:Related work experience in a technical help desk position, refreshing of IT equipment, providing deskside IT support and installation of IT hardware, networks, VoIP phones, and/or audio/video equipment.Component Mission Administrator (CMA) Certification.Special non-commercial systems administrator experience (access management/file transfer).Strong communication skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. 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.Must be able to move/traverse within and between buildings and offices, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTechseeks a motivated, career and customer-oriented Enterprise IT Support Officers (EITSO) – Phone Tech to join our team inChantilly, VA. In this role you are responsible for the installation, maintenance, and support of telecommunications systems, including VoIP and legacy phone systems.Responsibilities include, but are not limited to: Supporting all facets of phone installations and troubleshooting a variety of telephones.Installing, pulling, terminating, and dressing cabling appropriately according to industry and Sponsor standards.Troubleshoot and repair faulty connections, dropped calls, or hardware issues.Configure call routing, voicemail, extensions, and phone features.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. with flexibility to support 24x7 operations; may need to work extended hours during critical peaks and be available to meet last minute requests.Minimum Qualifications:Bachelor’s Degree and 4+ years of experiences, or a combination of education and work experience equivalent to 8+ years.Excellent knowledge of various cabling methodologies, industry standards, troubleshooting techniques, and reading/understanding cable run lists.Experience with installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Experience resolving technical problems and answering queries by that involve computer hardware, network, and telecommunications systems.Preferred Qualifications: Related work experience in IT hardware and cabling installation.Experience with implementation on the Sponsor's network LAN infrastructure.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 25% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices majority of the time, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTech seeks a motivated, career and customer-oriented Senior Software Developer - Cloud to join our team in Chantilly, VA. Responsibilities include but are not limited to:Designing and implementing large-scale ingest systems in a Big Data environmentOptimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyondDesigning and implementing data extraction, cleansing, transformation, loading, and replication/distributionDeveloping custom solutions/code to ingest and exploit new and existing data sourcesWorking with Sponsor development teams to improve application performanceOrganizing and maintaining documentation so others are able to understand and use itCollaborating with teammates, other service providers, vendors, and users to develop new and more efficient methodsMinimum Qualifications:High School Diploma/GED with 7+ years of experience in the Information Technology fieldStrong software development experience, to include significant Java development, data analysis/parsing, and SQL/database experienceStrong experience with the full data lifecycle, from ingest through display, in a Big Data environmentStrong experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIsExperience developing and performing ETL tasks in a Linux environmentPreferred Qualifications:Experience with Hadoop, Hbase, MapReduceExperience with ElasticsearchExperience with NiFi, Kafka, and ZookeeperClearance 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 timeThe 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 situations

ManTech seeks a motivated, career and customer-oriented Senior Database Administrator to join our team in Chantilly , VAThe Senior Database Administrator will work as part of the overall DBA team to determine, implement, and maintain the most efficient ways to ingest, organize and store petabytes of data from disparate system.Responsibilities include but are not limited to:Participating in leading the design, development, and administration of Oracle 19c databasesDesigning and developing database code for ETL of data from multiple sourcesConducting performance tuning and forecasting system scalabilityRecommending appropriate procedure, query, or package changes and optimizations to ensure and improve system performance and reliabilityInstalling and configuring database environmentsas well as performing database backups and restoresManaging, monitoring, and administering of Oracle database systemsParticipating in server and storage capacity management, planning and providing technical support in the evaluation of database systems and database designMinimum Qualifications:High School Diploma with 7+ years of experience in the Information Technology fieldSignificant experience with Oracle 19c+ architecture and database design, and related Oracle technologies (Partitioning, Encryption, Pluggable Database, etc.) on Linux systemsSignificant Oracle Exadata and PL/SQL developer experienceOracle Label Security (OLS) experience coupled with significant experience and knowledge in methodologies to improve database query performance.Significant experience in the optimization of database environmentsStrong understanding of high-availability solutions, architecture, backup methodologies and their implementation (RMAN, Data Guard)Experience managing and tuning very large databases (terabytes and petabytes) and with automating, scripting, and streamlining processes for efficiency and accuracy with strong documentation skills.Preferred Qualifications:Experience with PostgreSQL architecture, database design, administration, and related technologies.Knowledge of Oracle Cloud TechnologyOracle OCP or OCM certification(s)Linux experience as relevant to database O&MKnowledge of multiple data-storage technologiesAbility to work with multiple teams to enhance their code and improve 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