• Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but ... IT assets. + Performing general operations & maintenance for COTS/GOTS hardware and software. **Minimum Qualifications:** + Bachelor's degree in Computer Science,… more
    ManTech (12/03/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. **Responsibilities ... the clients/servers/network devices. + Provide support for the patching systems and hardware problems and remains involved in the resolution process. + Ability to… more
    ManTech (11/26/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance: ... maintenance/upgrades, OS/software security patching, AV compliance patching, software and hardware transitions, firmware updates, system and network troubleshooting, and… more
    FGS, LLC (11/22/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but are ... IT assets. + Performing general operations & maintenance for COTS/GOTS hardware and software. **Minimum Qualifications:** + Education: Bachelor's degree in Computer… more
    ManTech (11/19/25)
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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 ... integrity by evaluating, implementing, and managing appropriate software and hardware solutions of varying complexities. Ensures data/media recoverability by… more
    SAIC (11/19/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and maintenance of ... The SA will support the design of systems, mission architecture, and associated hardware . They will also analyze and resolve complex problems associated with server … more
    SAIC (11/17/25)
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  • System Administrator 3 - Sunnyvale

    M. C. Dean (San Jose, CA)
    …operating systems and install/load operating system software. + Perform desktop hardware and operating system set-up, imaging software loading, and antivirus ... of future deployments and make recommendations for IT infrastructure including all hardware and software required fulfill those requirements. + Perform root cause… more
    M. C. Dean (11/15/25)
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  • Jr./Mid-Level Networking Systems…

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual will be responsible for ... She/he will provide support for all infrastructure systems and will respond to hardware and software incidents and work with senior system administrators, at times… more
    Belay Technologies (11/07/25)
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  • Network/System Administrator (Net/Sys…

    General Dynamics Information Technology (Colorado Springs, CO)
    …experience **US Citizenship Required:** Yes **Job Description:** **Network/System Administrator I** **COLORADO SPRINGS, COLORADO** **The primary function will ... network models. It will require participation in decisions about buying future hardware or software to upgrade organization's infrastructure. This position might be… more
    General Dynamics Information Technology (11/04/25)
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  • Intermediate Classified Systems…

    The MITRE Corporation (Bedford, MA)
    …MITRE's Classified Enterprise Infrastructure is looking for a Junior Systems Administrator . A successful candidate will be delivering timely, effective, and ... management, password resets, access provisioning, and basic troubleshooting for hardware , software, and network-related issues. + Documentation and Knowledge Base… more
    The MITRE Corporation (11/01/25)
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