• Enterprise Security Operations Center…

    Huntington Ingalls Industries (Newport News, VA)
    …meeting you. **The Role** Designs, tests, and implements state-of-the-art secure operating systems , networks, and database products. Conducts risk assessment and ... access. Uses encryption technology, penetration and vulnerability analysis of various security technologies, and information technology security research.… more
    Huntington Ingalls Industries (12/13/25)
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  • Systems Integrator

    Leidos (Fort Belvoir, VA)
    …with Windows and Linux. + Experienced in security hardening for all systems . + Experience with Assured Compliance Assessment Solution (ACAS). + Project ... as providing input on the design of the production systems . Candidates should have experience with DoD security...government representative, as well as ad hoc requests for information . + Develop and maintain standard documentation such as… more
    Leidos (12/08/25)
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  • Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …your skills by merging data analytics and algorithm development to create government-furnished information into assessment models. Join our team and create the ... Systems Engineer The Opportunity: Are you looking for...big picture thinking to make an impact in national security ? You understand your customer's environment and how to… more
    BOOZ, ALLEN & HAMILTON, INC. (12/19/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …your skills by merging data analytics and algorithm development to create government-furnished information into assessment models. Join our team and create the ... Systems Engineer, Senior The Opportunity: Are you looking...big picture thinking to make an impact in national security ? You understand your customer's environment and how to… more
    BOOZ, ALLEN & HAMILTON, INC. (12/18/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …and customers at multiple levels to gather, supply, and coordinate technical information . + You will support Assessment and Authorization activities related ... systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP...to apply for a position with MANTECH, please email us at ###@mantech.com and provide your name and contact information… more
    ManTech (12/13/25)
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  • Lead, Systems Engineering - Modeling…

    L3Harris (Herndon, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead, Systems Engineering - Modeling & Simulation Job Code: ... security clearance + Bachelor's degree in STEM fields (Software/Computer/Electrical/Aerospace/Software/ Systems Engineering, Physics) and a minimum of 9+ years of… more
    L3Harris (12/05/25)
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  • Senior Systems Administrator (Unix/Linux)

    EPS Corporation (Dahlgren, VA)
    …+ Network administrationusing protocols such asTCP/IP + Experience withmajor network security toolssuch as firewalls, IDS/IPS, and vulnerability assessment ... Senior Systems Administrator (Unix/Linux) - (758) Share this job...Some College Coursework Completed Career Level Experienced (Non-Manager) Category Information Technology Job Description EPS Corporation is seeking a… more
    EPS Corporation (11/13/25)
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  • Systems Engineer - Research and Development…

    KBR (Chantilly, VA)
    …+ Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space ... Title: Systems Engineer - Research and Development - Senior...- Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (10/29/25)
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  • Scientist, Systems Engineer - Ashburn/Palm…

    L3Harris (Ashburn, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Scientist, Systems Engineer - Ashburn/Palm Bay - Secret Job ... the customer during program reviews. This role requires experience in systems engineering, system architecture development, strong technical skills over multiple… more
    L3Harris (10/26/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Scientist, Systems Engineer Job Code: 28926 Job Location: ... the customer during program reviews. This role requires experience in systems engineering, system architecture development, competitive assessment , project… more
    L3Harris (10/05/25)
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