• Systems Administrator - NETTN Support

    Huntington Ingalls Industries (Virginia Beach, VA)
    …and maintain Windows and Red Hat Enterprise Linux (RHEL) environments, including virtual systems + Support system configurations in compliance with DoD Security ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    Huntington Ingalls Industries (10/11/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    …**Principal Endpoint Security Systems Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team is at the ... Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security...through emails that are generated by the Leidos.com automated system - never from free commercial services (eg, Gmail,… more
    Leidos (11/28/25)
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  • Senior Information System Security…

    ManTech (Washington, DC)
    …Provide a recommendation to the Authorizing Official, in consultation with the system owner, regarding systems ' impact levels and ISs' authorization boundary ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Information System Security Representative (ISSR)** to join our team in **Washington, DC.**… more
    ManTech (12/05/25)
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  • Information System Security Officer (ISSO)

    CGI Technologies and Solutions, Inc. (Washington, DC)
    **Information System Security Officer (ISSO)** **Category:** Cyber Security **Main location:** United States, District of Columbia, Washington **Position ID:** ... . **Position Description:** We are seeking a highly skilled and motivated Information System Security Officer (ISSO) to join our team. The ISSO will be responsible… more
    CGI Technologies and Solutions, Inc. (11/14/25)
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  • Network System Admin

    KBR (Lexington Park, MD)
    Title: Network System Admin KBR's Mission Engineering Division delivers complex technical solutions and expert support to the US Department of Defense, specializing ... in modeling and simulation, cyber transformation, air vehicle mission integration, and lifecycle support....to the next level? KBR is seeking a Network Systems Admin (Network Engineer) with an active Secret clearance… more
    KBR (12/18/25)
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  • System Engineer

    Synergy ECP (Annapolis Junction, MD)
    …packages and network configuration. Requirements Requires a Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science, ... System Engineer Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description Synergy...at a time when a premium is placed on cyber security. In an ultra-competitive environment, Synergy ECP has… more
    Synergy ECP (12/17/25)
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  • Senior System Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated and experienced ** System Administrator** to join our team at the Pentagon in Arlington, VA. **This position is 100% ... + Manage currently supported and subsequent Windows Server Operating Systems on virtual operating environments, providing technical oversight and consultation… more
    SAIC (12/13/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …and Hyper-V virtual environments. + Utilize Ansible for automation of system configurations, deployments, and updates. + Manage and support cloud environments, ... Microsoft Azure, ensuring secure and efficient cloud operations. + Monitor system performance, troubleshoot issues, and implement necessary updates and patches. +… more
    Parsons Corporation (12/04/25)
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  • Senior Specialist, Information Security…

    L3Harris (Palm Bay, FL)
    …and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Works closely with ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...that will allow for the security authorization of the system of interest. Works with systems developers… more
    L3Harris (10/26/25)
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  • Scientist, Systems Engineer - Ashburn/Palm…

    L3Harris (Ashburn, VA)
    …of the customer during program reviews. This role requires experience in systems engineering, system architecture development, strong technical skills over ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...* Leads and coordinates various analyses to optimize total system of systems and/or system more
    L3Harris (10/26/25)
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