• Lead, Information Security Systems Engineer…

    L3Harris (Ashburn, VA)
    …development, design , testing, configuration management, and maintenance of information systems and data. + Assist program security in the development of policies ... development, design , test, configuration management and maintenance of information systems and data. + Assist program security in the development of policies… more
    L3Harris (11/01/25)
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  • Principal Full Stack Developer

    System One (Herndon, VA)
    …Clearance is required to start This role involves contributing to the design , development, and deployment of advanced cybersecurity capabilities to support CISA's ... Responsibilities may include but are not limited to: Infrastructure Engineering: * Design , test, and implement advanced cybersecurity software capabilities as a key… more
    System One (01/13/26)
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  • Mid-Level Systems Engineer

    Leidos (Chantilly, VA)
    …and able to obtain a Polygraph. **Primary Responsibilities:** + Support system architecture design , requirements development, integration planning, and ... configuration management. + Provide engineering expertise for mission systems across the full system lifecycle from...expertise for mission systems across the full system lifecycle from concept through deployment and sustainment. +… more
    Leidos (11/22/25)
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  • Engineer/Scientist

    Naval Sea Systems Command (Dahlgren, VA)
    …respond to this flyer. Responsibilities You will be working advanced combat system integration technical activities. You will apply systems engineering, ... systems engineering process/management, architecture engineering and initial design on advanced integration concepts. You will provide subject matter… more
    Naval Sea Systems Command (11/04/25)
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  • Ground Software Engineer (Mid Career) - Millennium…

    The Boeing Company (Chantilly, VA)
    …system test events bridging Millennium-developed products and Government-furnished systems + Implements specific mission data processing applications into ... us. **Ground Software Engineer (Mid Career) - Millennium Space Systems ** **Millennium Space Systems (MSS), a part...issues as they come up, secondary tasking will be design based leveraging your experience with the integration and… more
    The Boeing Company (01/04/26)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along with user support services. ... perform technical software configuration, rebooting, and other remedial actions on customer systems . Work will be conducted on-site at our Chantilly, VA location.… more
    Leidos (01/13/26)
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  • Systems Test Engineer

    ManTech (King George, VA)
    …either of the following: Aegis Combat System as well as interfacing sensors and ship systems , OR Ship Self Defense System (SSDS) Combat System as well as ... seeks a motivated, career and customer-oriented Part-Time On Call ** Systems Test Engineer** to join our team in **King...include but are not limited to:** + Evaluation of system level requirements + Writing of test cases, scenarios,… more
    ManTech (11/03/25)
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  • RF Systems Engineer

    KBR (Chantilly, VA)
    …technical findings to both technical and non-technical audiences + Participate in system design reviews and technical interchange meetings + Interface with ... Title: RF Systems Engineer Title: Belong. Connect. Grow. with KBR!...validation of requirements, Concept of Operations (CONOPs), architecture products, system schedules, and risks for end-to-end closure. The candidate… more
    KBR (01/09/26)
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  • Software Systems Engineer

    CACI International (Sterling, VA)
    … Engineering Lifecycle (SELC): Concept of Operations (CONOPS), requirements development, design , verification and validation testing, quality assurance, system ... Software Systems Engineer Job Category: Engineering Time Type: Full...and Responsibilities:** + Responsible for the decomposition of top-level system customer needs to lower-level technical requirements and work… more
    CACI International (12/09/25)
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  • Systems Integrator

    CACI International (Norfolk, VA)
    …implement data mapping strategies to enable meaningful information exchange between disparate systems + Perform system validation testing to ensure integration ... Systems Integrator Job Category: Information Technology Time Type:...* * **The Opportunity:** We are seeking a skilled System Integrator to join our team supporting the Navy… more
    CACI International (11/26/25)
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