• Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    Title: Systems Administrator - COMSEC Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... this SETA role, you use your expertise to perform Systems Administration for a COMSEC group. A Systems...with Polygraph. + Experience: 3+ years' experience as a System Administrator Desired: + Experience: Military /… more
    KBR (09/06/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. Coordinates, directs and performs complex software… more
    SAIC (11/19/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with ... engineered by SAP to protect the lives, assets, and information of Americans _._ We offer SAP solutions with...have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for… more
    SAP (10/21/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …(SOPs) for system administration tasks. + Work closely with the Information Systems Security Officer (ISSO) to address security requirements and support ... a related field. + CompTIA Security+ Minimum + Proven experience as a System Administrator in a classified environment, preferably within the intelligence… more
    Parsons Corporation (09/04/25)
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  • System Administrator

    Jacobs (Chantilly, VA)
    We are seeking an experienced System Administrator Level 3 with 15 years of extensive experience in managing and maintaining complex IT infrastructures. The ... ideal candidate will have in-depth knowledge of system administration, cloud services, network management, cybersecurity, and enterprise-grade applications. This… more
    Jacobs (12/02/25)
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  • Junior Systems Administrator

    SOS International LLC (Reston, VA)
    …**Job Description** Overview SOSi is seeking a dedicated and technically skilled **Junior Systems Administrator ** to join our dynamic IT team supporting our ... 2 service desk tickets, providing in-depth technical support, and maintaining systems across a secure network environment. The ideal candidate is detail-oriented,… more
    SOS International LLC (11/21/25)
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  • Principal Systems Administrator

    ManTech (Chantilly, VA)
    MANTECH is seeking a talented Principal Systems Administrator to join our sustainment team in Chantilly, VA. This role supports a mission-critical enterprise ... ensuring the continued health, performance, and compliance of complex network and system infrastructures. The selected candidate will play a key role in Operations… more
    ManTech (11/21/25)
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  • Senior Linux System Administrator

    GovCIO (Richmond, VA)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position ... and libraries + Advanced Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills + Excellent written… more
    GovCIO (11/07/25)
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  • Senior Systems Administrator

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... and applications. **Job Responsibilities** + Install, configure, and maintain operating system workstations and servers + Perform software installations and upgrades… more
    Noblis (12/02/25)
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  • Systems Administrator 1

    Huntington Ingalls Industries (Suffolk, VA)
    …Mission Technologies, a division of Huntington Ingalls Industries, is looking for a Systems Administrator 1 to support the Joint Training Synthetic Environment ... senior administrators when necessary. * Ensure the security and privacy of all information systems in accordance with organizational policies. What You Must Have… more
    Huntington Ingalls Industries (11/13/25)
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