Mantech seeks a highly motivated and collaborative DevOps Engineer to join our team in Annapolis Junction, MDThis position will support the development, deployment, and sustainment of secure backend and infrastructure services in a mission-driven enterprise environment. You will be part of the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s foundational Enterprise Information Technology (EIT) platform, enabling enterprise-wide capabilities for a global user base.Responsibilities include, but are not limited to:Design, deploy, and maintain scalable and secure infrastructure in Kubernetes environments using GitOps workflows with Flux, Kudectl, and KustomizeIntegrate and manage service mesh technologies such as Istio for secure traffic flow and observabilitySupport containerization pipelines using Docker and automate builds with MavenManage system documentation and inventories across the lifecycle to ensure compliance and traceabilityConduct development and troubleshooting within Linux environments and support script-based automation using PythonCollaborate with software developers and security analysts to align infrastructure support with secure coding and authorization needsAddress POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings and support remediation actionsMinimum Qualifications:Bachelor’s degree with 12+ years of related experience OR associate’s degree with 15 years OR high school diploma/GED with 20 years of experienceExperience with scripting and analysis skills in Python using Linux-based development environmentsStrong background in containerization with Docker and infrastructure automation using MavenExperience using Jira, Confluence, and IDEA IDE for agile collaboration.Preferred Qualifications:Experience managing Kubernetes clusters with Istio and RancherGeneral DevOps KnowledgeProficiency with Git/GitLabExperience using Flux, Kudectl, and KustomizeFamiliarity with streaming and caching tools such as Kafka and RedisClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeOccasionally moves about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

ManTech seeks a motivated, career and customer-oriented Audio-Visual System Engineer (AVMM) to join our team in Annapolis Junction, MD. The AVMM SME is responsible for Kitting and deploying small, medium and large conference rooms, classrooms and small meeting areas with video/teleconferencing, other integrated pieces of AVMM hardware and data walls in support of the Government customer.Responsibilities include but are not limited to:With minimum to no supervision and guidance, evaluate, design, document, install, implement, test, and perform problem isolation and resolution, monitor, tune, and enforce standards for AVMM End User Devices and related networks.Maintain a complex range of AVMM and computer network components and systems.Support integration of a total AVMM network including the planning, design, installation, maintenance, management, and coordination of the AVMM network.Monitor, tune, and support basic existing AVMM devices (IPTV, Conference rooms of varying sizes and complexities) and network infrastructure to ensure stable, reliable, secure, and efficient AVMM operations.Support Identification, assessment, and development of detailed requirements for upgrading AVMM networks, such as supporting re-architecture of network segments in order to facilitate new requirements, technologies and growth.Analyze current products and recommends changes/upgrades to senior management.Assembles and updates documentation in the form of problem and change management tickets.Maintain timely and complete documentation of all daily and project work, using standard methods and procedures.Troubleshoot, and devise solutions to complex operational problems within the capacity and operational limitations of installed equipment.Follow technical standards set by senior level engineers.Communicate effectively with a wide variety of technical and non-technical audiences, including customers, team partners, and other staff members.May lead a small team to complete larger efforts (modernization, refresh, projects)Travel is required in support of service requirements ~20. This position also offers opportunities to support other bodies of work, at different locations, and to travel both CONUS and OCONUS (no hostile areas) for AVMM support.Minimum Qualifications:Bachelor’s degree and 4 years of relevant experience.Experience (basic knowledge) with Crestron programming, with the expectation of gaining greater competencyExperience with service management knowledge in key ITSM processes including incident management, problem management, change management, service level management and knowledge managementIATT Level 2 certification, such as Security+ CE is required, but will allow a Level 1 (Net+, A+, etc) to start but must attain Level 2 within 6 months of start date.Experience in a technical management role with an understanding of IT equipment and service life as well as planning and implementation of equipment replacementExperience with presentations with the ability to convey technical and business concepts to various audiences, ability to handle complex customer situations and interact with all levels of personnel to provide a quick and effective resolution.Experience with resource management with the ability to manage teams, personnel and customers’ needsExperience effectively managing and satisfying projects of a technical nature.Preferred Qualifications:Experience with customer ticketing systems such as ServiceNowExpert Crestron programming capability a major +Support to network devices (including servers) in support of AVMM/IPTV/Streaming servicesPMP Certification, and ITIL Foundations V3 certification desiredExperience with large scale enterprise IT contracts.Clearance Requirements:Must have a current/active TS/SCI w/ PolyPhysical Requirements:The person must be able to handle AVMM equipment to include up to 100” TVs with assistance. Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication, which may involve delivering presentations.

MANTECH seeks a motivated, career and customer oriented System Network Engineer to join our team in Hanover, Maryland. You will play a vital role in protecting national security and driving innovation, with opportunities for career growth.Responsibilities Include, but are not limited to:Analyze user requirements, operational concepts, and system architectures to develop detailed system specifications.Lead system design and development activities, guiding users in requirements formulation and evaluating alternative solutions.Develop and maintain technical documentation, including system architecture and design documents, engineering management plans, and integration/test plans.Ensure the technical integrity of systems engineering deliverables and manage the system baseline throughout its lifecycle.Direct the development, integration, and testing of complex hardware/software systems and networks, including requirements analysis, concept development, and interface standards.Assist with system security compliance and application to networks and equipment.Lead or assist with troubleshooting and repair of systems and network components (routers, switches, servers, VMs, workstations).Minimum Qualifications:Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science or related field; an additional 5 years of experience might be substituted for degree.14+ years of systems engineering experience in similar programs/contracts.7+ years of combined experience in the following areas:Designing and implementing MS Windows Server and Cisco networks in both classified and unclassified environments.Designing/configuring classified systems, servers, and networks.Workstation/server design, configuration, implementation, software installation, maintenance, and problem resolution.Security Clearance Requirements:Active/Current Top Secret SCI with Poly required.Physical & Professional Requirements:Ability to perform light physical work (lifting up to 20 lbs., bending, kneeling, walking).Proficiency with MS Office and PC use.Strong analytical, critical thinking, interpersonal, leadership, listening, multitasking, communication, and organizational skills.Ability to work under pressure and handle stress.

ManTech seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Hanover, MD.This team provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Leading the development of Software Assurance Analysis methodologies, formulating, and validating testing scores, creating, and validating test cases that support Software Assurance (SwA) tool analysis.Provide technical expertise in the testing of client software and providing remediation recommendations with clients.Mentoring junior Software Assurance Evaluation Engineers providing advice, guidance, consultation and teaching state-of-the-art software assurance testing and analysis techniquesLead efforts in defining new methods and techniques for software assurance testing and analysis; and surveying industry to identify new source code SwA tools and methodologies.Tuning and running source code analysis tools, evaluating the strengths and weaknesses, and determining the suitability for a given software/customer while interpreting, prioritizing, and using source code SwA tools results to remediate potential vulnerabilities in software.Minimum Qualifications:5 + years in software analysis related experienceExperience with evaluating the strengths and weaknesses and determining the suitability of software in a given software/customer environment.Experience designing, implementing and testing source code SwA analysis processes.Programming experience in Java, C/C++, or C#.Experience developing & consulting on code for production systems using structured development environments.Preferred Qualifications:Experience with RUSTExperience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements: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.

Mantech seeks a motivated, career and customer-oriented Cloud DevOps Engineer to join our team in Hanover, MD.In this role you will be working as a cloud Engineer utilizing cloud computing platforms and developing full stack web application interfacing with AWS services. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation.Responsibilities Included but are not limited to:Responsible for building new and improving existing CI/CD pipelines.Responsible for performing operations on end-user virtual machine provisioning/de-provisioning (VMWARE, and Amazon AWS platforms) supporting the automation of Active Directory security group manipulations.Will perform daily development using .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platforms.Responsible for creating collection object cleanup routine within an Angular/Node JS application to simulate a hierarchical cascade delete process for a dynamic MongoDB system.Minimum Qualifications:Bachelor’s degree in Computer Science or a related discipline from an accredited college or university12+ years of programming experience, including 1.5+ years with an object-oriented language. 5+ years functional experience with containerization technologies like Docker. 2+ years’ experience working within the Linux desktop environment and bash shell Experience with Ansible, Python, Angular and DjangoIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications: Experience with open-source technologies and tools to accomplish specific use cases encountered within the project such as GitLab, AWS Web Services, and Visual Studio .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platformsKubernetes Application Developer or Administrator certification can be substituted for additional 2 years of experience Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements:The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.The person in this position must be able to remain in a stationary position 50% of the time.Must 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-orientedLead CNO Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server).Using streaming technologies (e.g. Kafka), including customization of data flows.Log analysis and General Troubleshooting (tuning and optimization, Search and Indexing Operations, mapping, monitoring).Working with Elastic Stack (Elastic, Logstash, Beats, Kibana, Fluent etc.) and Opensearch APIs.Perform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Research requirements for a product, including target environment, performance criteria, and competitive issues, design new capabilities and recommend improvements to existing capabilities.Determine computer user needs; analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Ensure software standards are met and perform quality control on team products, coordinate and perform software deployments for developed products.Mentor junior software developers.Minimum Qualifications:Bachelor’s degree and 20+ years of programming experience or High School Diploma and 24+ years of programming experienceExperience coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignExperience with XML or JSONExperience with data ingest, data storage, and data processing techniques.Knowledge of agile software development methodologyPreferred Qualifications:Experience with Software Version ControlExperience with SQL and of NoSQL databasesExperience with MongoDBExperience with ElasticExperience with troubleshooting and maintaining complex code Experience with Subversion/GITExperience with Atlassian Tools such as Confluence, Jira, Bamboo, Crucible or similarExperience using VMWare, preferably ESXClearance Requirements:Must have active/current TS/SCI with PolygraphPhysical Requirements:Ability to remain stationary up to 50% of the time

ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are metPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDesign for new capabilities or recommendations for improvements to existing capabilitiesDetermining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programmingDebug and troubleshoot software, modify existing software to correct errors, to adapt to new requirements, or to improve performance and perform quality control on team productsCoordinating and performing software deployments for developed productsMinimum Qualifications:Bachelor’s degree in Computer Science or related field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience developing and coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge of Software Version ControlKnowledge of CNO environmentKnowledge of Agile software development methodologyKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesSubversion/GIT experienceAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Security Clearance Requirements:Must have an active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time

ManTech is seeking a motivated, career and customer-oriented Information Systems Security Engineer to join our team in Linthicum, MD. The position is part of a team that provides security engineering in the Linthicum location and will provide implementation and/or integration of secure networking, computing and enclave environments.Responsibilities Included but are not limited to:Responsible for providing expertise in complying with Systems Security Certification & Accreditation (C&A) processes, to include discovery meetings, achieving Interim Approval to Test (IATT) and in obtaining final Approval to Operate (ATO) status for Systems Security Plans (SSP) associated with all mission systems to gain successful accreditation as well as manage all security relevant changes to the mission systems, assuring SSP documentation is up-to-date and ATO status is maintained.Perform/review technical security assessments of computing environments for non- complianceValidate and verify system security requirements definitions and analysis and establishes system security designsAssist architects and systems developers in the identification and implementation of appropriate information security functionalitySupport the building of security architectures and enforce the design and implementation of trusted relations among external systems and architecturesAssess and mitigate system security threats/risks throughout the program life cycleContribute to security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operationsReview certification and accreditation documentation and provide feedback on completeness and compliance of its content.Minimum Qualifications:Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university7 years experience as an Information Systems Security Engineer on programs and contracts of similar scope, type, and complexity.In lieu of a degree four (4) years of additional Information Systems Security Engineer experience may be substituted for a bachelor's degree.IASAE Level 2 Certificate required.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time.Must 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 Systems Engineer to join our team in Belcamp, MD. This is an onsite position.Responsibilities include but are not limited to:Focus on delivering high-quality DoD 5000.02 artifacts and documentation that support critical US Government programs.Apply comprehensive systems engineering principles across all phases of the systems lifecycle, ensuring successful project outcomes.Engage effectively with Government stakeholders, providing expert technical guidance on systems engineering matters and resolving issues proactively.Communicate clearly and concisely with project personnel, Government representatives, and senior executives.Maintain the technical integrity and quality of all work and deliverables in alignment with ISO/IEC15288 process areas, driving operational excellence.Develop and contribute to key systems engineering documentation, including System Engineering Plans, requirements specifications, and interface control documents, ensuring accurate project execution.Provide leadership and mentorship to subordinate project and ManTech team members, fostering a collaborative and high-performing team environment.Minimum Qualifications:Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master’s degree may be granted 2 years’ experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education5 years of relevant work experience in systems engineering or a related field.DoD 8570.01-m IAT Level II certification.Proven experience with DoD 5000.02 documentation requirements.Experience with use case development, requirements derivation, and management.Demonstrated ability to develop high-quality technical project artifacts.Familiarity with Agile software development processes and methodologies.Experience with software engineering processes and best practices.Preferred Qualifications:Bachelor's degree in Systems Engineering.Professional Certifications: Certified Systems Engineering Professional (CSEP), Expert Systems Engineering Professional (ESEP), or DAWIA Systems Engineering Level III.Clearance Requirements:Top Secret Clearance with SCI eligibility.Must be a US Citizen and able to obtain and maintain a Top Secret Clearance with SCI eligibility.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.Ability to travel to various physical customer locations within APG as needed.

MANTECH seeks a motivated, career and customer-oriented Systems Engineer III to join our team in Annapolis Junction, Maryland.ManTech is currently seeking Systems Engineer III to join our team at Annapolis Junction, MD. We are seeking a Senior Systems Engineer who is a seasoned IT professional responsible for designing, implementing, and a top-level trouble shooter supporting a high-level architecture of an organization's backend infrastructure. You will communicate with other project personnel, Government stakeholders, and senior executives.Responsibilities include but are not limited to:Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, virtualization, and cloud platforms like AWS or Azure, to manage the organization's backend systems.Develop and implement automation solutions through creating scalable automation services using strong scripting and orchestration skills, with proficiency in tools like Python, Bash, and Ansible.Design and manage system architecture by applying systems engineering principles to design, implement, and manage the high-level architecture of the organization's backend infrastructure.Ensure network and system security through a strong understanding of networking and security fundamentals, including TCP/IP, firewalls, and VPNs, to protect the organization's infrastructure.Communicate with stakeholders - Interact directly with government personnel, senior executives, and other project members to discuss technical issues and project status.Provide technical guidance and troubleshooting as a top-level troubleshooter, addressing technical considerations, problems, and issues for both internal teams and government stakeholders.Minimum Qualifications:Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master’s degree may be granted 2 years’ experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education.5 years of position-relevant work experience.DoD 8570.01-m IAT Level II.Strong proficiency in scripting and automation, with hands-on experience in Python, Bash, and an infrastructure orchestration tool like Ansible.Experience in front-end web development to create internal tools and solutions.Proven background as an Orchestration Engineer or in a similar role focused on building scalable automation services.Solid grasp of TCP/IP networking, firewalls, VLANs, and VPNs.Expert-level knowledge of the Linux operating system.Preferred Qualifications: Experience with full-stack development, including creating and interacting with databases and APIs.Knowledge of Infrastructure as Code (IaC) principles, preferably with experience using Terraform.Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes).Proficiency with virtualization platforms such as VMware vSphere or Microsoft Hyper-V.Exceptional troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues.A foundational understanding of traditional Systems Administration principlesClearance Requirements:TS/SCIPhysical Requirements:The person in this position must have the ability to perform tasks while stationary 50% of the time at a computer, with specific emphasis on visual acuity for close-range work. 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 is seeking a motivated, career and customer-oriented Software Engineer to join our team in the Springfield, VA area.Responsibilities include, but are not limited to:Provide expert guidance on Enterprise Asset Management; Identify, recommend, and implement agreed upon leading industry practices, process methodologies, new technologies, and streamlined approaches that afford the client the ability to improve system performance.Provide support to maintain IBM's Maximo to ensure that all Maximo Users have a stable platform to perform daily operations; support reporting capabilities and requirements that streamline and reduce where possible, the manual input of existing data.Provide technical and business-level assistance, incident resolution, and daily support to the Maximo user community; maintain and enhance the functionality, reliability, availability, performance, stability, sustainability, and security of the Maximo application and its databases and tools.Implement best practices, create and improve existing Maximo workflows to manage work management, logistics, and property management processes; oversee the validation and testing of deliverable products in accordance with our customer's approved processes.Provide installations, customizations and design changes for software and hardware products; provide support to a wide array of customers as part of a complex team of multiple contractors and government personnel.Write SQL scripts to support various aspects of customer support and Maximo Development requirements; develop and manage queries, ad hoc reports, and KPI’s.Manage and observe data quality and health throughout front-end database; ability to handle pressure and manage multiple tasks in a fast-paced environment.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology and 9 years of relevant experience.Experience with JavaScript, Linux/Unix, Perl, Shell, Java, Ruby, PHP, Python, Hands-On SQL, Microsoft ASP.NET MVC, Web API, Node.js.DoD 8570.01-M compliant, IAT II. (CCNA Security, CySA+, GICSP, GSEC, Security+, or SSCP)Troubleshoot and resolve issues related to OpenShift, Kubernetes, and Linux environments.Red Hat Certified Specialist in OpenShift Administration or similar certification.Requires understanding of the RedHat OpenShift cluster to include basic operations of backup, restore and failover/redundancy of services.Preferred Qualifications:4+ years of Maximo Development experience.Maximo versions: at least Maximo 7.6. Able to work on upgrades and development on 7.6.1.2.Maximo modules: must be able to work on all Maximo modules and functionalities, including Work Order Management, Asset Management, Preventive and Corrective Maintenance, Configuration, Scripting, Report Development, Maximo Interfaces with other systems like ERP.Development and maintenance experience with Maximo including TRM rules, Maximo automation scripting, BIRT Reports Development, and work order reports.Provide service for GIS geodatabase editing, data creation and maintenance for applications and as needed.Experience of ArcGIS Server management tools to deploy and manage map and web servicesClearance Requirements:Must have current/active TS/SCI clearance.Physical Requirements:Must be able to remain in a stationary position 50%The person in this position 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.The 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.