• Enterprise Application Administrator

    RTX Corporation (Boston, MA)
    …are considered US persons. + Experience managing and troubleshooting applications on both Linux and Windows operating systems. + Ability to effectively discuss, ... and Technology Application Services (ETAS) is looking for an Application Administrator to join our seasoned team providing excellent collaborative and innovative… more
    RTX Corporation (09/22/25)
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  • Senior Systems and Network Administrator

    SAIC (Battle Creek, MI)
    **Description** SAIC is seeking a highly skilled Senior Systems & Network Administrator to support the AOC WS Falconer Program. This role combines expertise in both ... + Ability to lift up to 50 lbs **TECHNICAL EXPERTISE:** + Microsoft Windows Server/Desktop OS, Active Directory, Group Policy + LAN/WAN/SAN technologies and data… more
    SAIC (09/16/25)
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  • Network/Systems Administrator 4

    GovCIO (Washington, DC)
    …and security by configuring, troubleshooting, and optimizing systems. Ability to manage Windows and Linux OSs and conduct system updates, patches, and ... **Overview** GovCIO is currently hiring for a Systems Administrator to design, implement, and maintain the OS environments for the Pension Benefit Guaranty… more
    GovCIO (09/11/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …compliance with required security standards for IT personnel. + Proficiency in Linux or Windows operating systems, indicating hands-on experience with server ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** **Responsibilities… more
    ManTech (09/05/25)
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  • Senior PKI Administrator

    GovCIO (Arlington, VA)
    …Public Key Infrastructure, Infrastructure IT (Systems Administration, Network Administration, Windows / Linux OS, Network Administration, Active Directory, and/or ... **Overview** GovCIO is currently hiring for a SeniorPKI Administrator with an active Secret clearance to issue and maintain a federal customer's Public Key… more
    GovCIO (09/04/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    …and remains involved in the resolution process + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads ... System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital… more
    Synergy ECP (09/01/25)
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  • Senior VMWare System Administrator

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …to network engineering design, system fit-up, and system deployment. + General Windows and some Linux system administration and sustainment experience, to ... of new and emerging technologies.We're seeking a **Senior Level System Administrator with specialized experience with VMWare** for a unique, tailored mission.… more
    Intrepid Solutions and Services (08/28/25)
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  • Compliance/Patching System Administrator

    Lockheed Martin (Schriever AFB, CO)
    …Security Center\. * Hands\-on experience coordinating patch testing and deployment on Windows , Linux , and other common operating systems\. * Familiarity with ... Global Platforms and Infrastructure \(GPI\) team as a Patching and Compliance System Administrator offers a unique opportunity to be part of a dynamic and innovative… more
    Lockheed Martin (08/28/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …or equivalent) or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support ... **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but… more
    ManTech (08/20/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …to obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems. + End-User Support: Experience providing help-desk ... **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but… more
    ManTech (08/20/25)
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