Skip to content
MANTECH seeks a motivated, career and customer-oriented SIMULATION DEVELOPER to join our team in QUANTICO, VA Join a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight. Responsibilities include but are not limited to: Designs, develops, and sustains simulation models and environments using a variety of programming... more ->
MANTECH seeks a motivated, career and customer-oriented Junior Developer to join our team in Annapolis Junction, MD. The Junior Developer is part of a dynamic development team, focusing on writing efficient and maintainable code, collaborating with other developers and engineers, and contributing to the development of web applications, Back End services, and automation workflows. This role provides opportunities for career growth, mentoring, and hands-on experience with modern software development tools and practices. You will primarily use Python for Back End development while gaining... more ->
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 future Analyzing user needs and software requirements to determine feasibility of design within time and cost constraints Collaborating with teammates, other... more ->
Job Family : Data Engineering & Architecture Consulting Travel Required : Up to 10% Clearance Required : Ability to Obtain Public Trust What You Will Do Guidehouse is seeking a Lead Developer to provide hands-on technical leadership for data engineering, analytics, and AI-enabled solutions in support of large-scale data modernization initiatives. This role is responsible for designing, building, and operationalizing high-quality data and analytics solutions while guiding development teams and collaborating closely with architects and operations leads. What You Will Need US Citizenship.is... more ->
MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers the chance to grow your expertise alongside talented Software Developers, Data Engineers, and System Engineers while pioneering solutions that make a national impact. Responsibilities include, but are not limited to: Understand requirements and design and develop software components. Research software... more ->
MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers the chance to grow your expertise alongside talented Software Developers, Data Engineers, and System Engineers while pioneering solutions that make a national impact. Responsibilities include, but are not limited to: Understand requirements and design and develop software components. Research software... more ->
MANTECH seeks a skilled and mission-focused Associate CNO Developer to join our team in Hanover, MD In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard our national security systems. Responsibilities include but are not limited to: Design and develop new hardware- or software-based CNO capabilities Assists with the design, development, documentation, testing, and debugging of applications... more ->
MANTECH seeks a skilled and mission-focused Associate CNO Developer to join our team in Hanover, MD. In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard our national security systems. Responsibilities include but are not limited to: Design and develop new hardware- or software-based CNO capabilities Assists with the design, development, documentation, testing, and debugging of applications... more ->
MANTECH seeks a skilled and mission-focused Associate CNO Developer to join our team in Hanover, MD or Aurora, CO. In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard our national security systems. Responsibilities include but are not limited to: Design and develop new hardware- or software-based CNO capabilities Assists with the design, development, documentation, testing, and debugging of... more ->
Overview: GovCIO is currently hiring a highly skilled Senior Application Developer with an active Secret clearance to design, build, and modify application software using programming languages such as Java, ColdFusion, JavaScript, and C#. This position will be located in Fairfax, VA and will be a hybrid position. Responsibilities: Implement multiple design patterns. Integrate COTS products, use APIs, interact with data repositories, cross-domain solutions, and manage system interfaces. Manage Legacy code and/or develop new code using container technologies. Develop and execute unit tests to... more ->
MANTECH seeks a motivated, career and customer-oriented AWS Infrastructure Developer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: Design and implement AWS infrastructure architectures supporting operational capability hosting and data processing. Deploy and manage AWS compute resources (EC2, ECS, Lambda) hosting operational capabilities and services. Implement network segmentation, security groups, NACLs, and routing policies enforcing operational security requirements. Leverage orchestration systems (Kubernetes, Nomad, or similar) for container... more ->