• Senior SIGINT Systems

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to...defining new mission requirements, performing oversight of modeling and simulation , architectural definition clarifying the types of system capabilities,… more
    KBR (06/18/25)
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  • GEOINT Senior Systems

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Senior Systems Engineer to support the NRO GEOINT System Integration & Architecture (GSIA) office. This is a Systems ... office equities are protected. + Assess technical performance and modeling and simulation results. Identify risks to program plans and schedules, and support… more
    SAIC (08/07/25)
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  • Senior Model Based Systems

    Amentum (Dahlgren, VA)
    Amentum is seeking a Senior Model Based Systems Engineer to join our engineering team in Dahlgren, VA. Position contingent on funding. Like learning about ... and development tools in support of the Submarine Launched Ballistic Missile Program. ** Senior Model Based Systems Engineer Responsibilities Include:** +… more
    Amentum (06/21/25)
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  • Senior Systems Engineer ISR

    SAIC (Norfolk, VA)
    **Description** Senior Systems Engineer (ISR) in Norfolk, VA SAIC is looking for a cleared Systems Engineering candidate to provide technical assistance ... and management of Battlespace Awareness and Information Operations (BAIO) systems . Support includes providing high quality engineering advisory services as… more
    SAIC (08/07/25)
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  • Senior Systems Security…

    SAIC (Alexandria, VA)
    **Description** SAIC is hiring a ** Senior Systems Security Engineer ** with an active **TS/SCI clearance** to participate in Independent Technical Risk ... (ITRA) and Program Protection Plan (PPP) reviews to advance the practice of systems security engineering through all phases of a system acquisition. This will… more
    SAIC (08/07/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for a Senior Systems Engineer with experience supporting system and satellite verification and validation efforts to support ... an active Top Secret/SCI clearance with Polygraph. Responsible for supporting mission systems engineering and enterprise integration and leading the SETA Systems more
    SAIC (08/07/25)
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  • Senior Field Engineer (S)

    SimIS Inc. (Dahlgren, VA)
    …technical leadership and engineering support for shore-based training (SBT) simulator and simulation systems at SCSTC. This position requires expertise in ... complex military simulation systems , configuration management, and engineering analysis...analysis to ensure optimal performance of training environments. The Senior Field Engineer serves as the primary… more
    SimIS Inc. (07/12/25)
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  • Senior Specialist, Software Engineer

    L3Harris (Lynchburg, VA)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Software Engineer Job Code: 24818 Job Location: : Lynchburg, VA ... other Friday off Job Description: L3Harris is seeking a Sr . Specialist Software Engineer with focus on...& hardware for terminals, and network infrastructure equipment and systems as well as servers and AWS applications. +… more
    L3Harris (06/12/25)
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  • Senior Satellite Guidance Navigation…

    General Atomics (Herndon, VA)
    …have an exciting opportunity for a Satellite Guidance Navigation and Control (GNC) Engineer to join our Electromagnetic Systems (GA-EMS) Group located in ... and their applications. + Experience with physics-based modeling of dynamic systems and Monte Carlo simulation analysis. + Experience developing software… more
    General Atomics (07/10/25)
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  • Senior Software Engineer /AFSIM…

    KBR (Reston, VA)
    Title: Senior Software Engineer /AFSIM Modeler Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future...of space defense. Key Responsibilities: KBR is seeking a Senior Software Engineer /AFSIM Modeler to join a… more
    KBR (07/01/25)
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