• Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Scientist, Systems Engineer Job Code: 32407 ... customer during program reviews. This role requires experience in systems engineering, system architecture development, competitive assessment, project engineering… more
    L3Harris (12/24/25)
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  • Senior Cyber Security Analyst

    ManTech (Springfield, VA)
    **MANTECH** seeks a motivated, career-oriented, and customer-focused ** Senior Cyber Security Analyst - Incident Response** to join our team in **Springfield, ... Center (CSOC) support, managing cyber and network sensor activities + Perform security event and incident correlation using information gathered from multiple… more
    ManTech (01/10/26)
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  • Senior SIGINT Ground Systems Expert

    KBR (Chantilly, VA)
    Title: Senior SIGINT Ground Systems Expert Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... + Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space… more
    KBR (11/07/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    … (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator** to join the team in **Herndon, VA** ... Administrator will handle system administration tasks, including infrastructure management, information security , software installation, and configuration control.… more
    The Boeing Company (12/25/25)
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  • Senior Specialist, Systems…

    L3Harris (Ashburn, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Integration & Test Engineer ... in developing disruptive, next-generation technologies for advanced Unmanned Air Systems (UAS / UAV), advanced radar systems ,...years of prior related experience. + Active DoD Secret security clearance + System level design experience in which… more
    L3Harris (11/25/25)
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  • Senior Ship Control Systems…

    Serco (VA)
    …projects for the US Navy, Serco has a wonderful opportunity for you! As the Senior Ship Control Systems Construction Engineer, you will be on a dynamic team ... support five of the six Navy core maritime capabilities: Deterrence, Maritime Security , Sea Control, Forward Presence, and Power Projection. **In this role, you… more
    Serco (01/15/26)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to join our team in **Chantilly, VA.** This role ... at multiple levels to gather, supply, and coordinate technical information . + You will support Assessment and Authorization activities... systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP… more
    ManTech (12/13/25)
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  • Senior Systems Engineer (Deployment)

    Red River (King George, VA)
    Red River Technology is actively seeking a dedicated and highly skilled Senior Systems Engineer to join our team in supporting a mission-critical program for the ... that directly enhances national operational readiness across the entire US Naval Fleet. The Senior Systems Engineer will work with the program team to install,… more
    Red River (01/09/26)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cyber Security Engineer** to join our team in **Chantilly, VA** . Senior Cyber ... Security Engineers are responsible for the quality of cyber security -related solution delivery, development, testing, and deployment in support of cyber … more
    ManTech (12/11/25)
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  • Senior Windows Systems Engineer…

    General Dynamics Information Technology (Chantilly, VA)
    …Microsoft Deployment Toolkit (MDT),Microsoft Endpoint Configuration Manager,Windows Desktop Operating Systems **Experience:** 10 + years of related experience **US ... for learning, in support a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating… more
    General Dynamics Information Technology (01/17/26)
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