• Systems Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team in Ft. Meade, MD. **Responsibilities ... limited to:** + Creating and managing virtual environments + Systems administration of hardware and software in...updates, IAVAs, and configuration changes) + Experience with performing system administration on Linux Redhat 8/Rocky 8… more
    ManTech (12/28/25)
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  • System Administrator 2

    Synergy ECP (MD)
    System Administrator 2 MD Description Member of a cross-functional team providing Windows systems administration/engineering expertise and guidance for a ... critical enterprise-wide messaging system used in the Information Transport Service (ITS) program....Policy configurations, patching servers and applying DISA STIGS, basic Linux experience is a bonus. Duties include: + Serve… more
    Synergy ECP (01/14/26)
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  • Senior Principal System

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr. Principal System ... teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can...problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red… more
    RTX Corporation (01/15/26)
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  • Systems Administrator 1

    Huntington Ingalls Industries (Wright Patterson AFB, OH)
    …Huntington Ingalls Industries, Technical Solutions Division (HII-TSD) is currently seeking a Systems Administrator . The ideal candidate works well in an agile, ... to perform identification, troubleshooting, and diagnosis of hardware failures and restore system capability to operations. + Provide administrator support (User… more
    Huntington Ingalls Industries (12/25/25)
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  • Systems Administrator Senior…

    Lockheed Martin (Fayetteville, NC)
    **Description:** You will be the Systems Administrator Senior for our team\. Our team is responsible for delivering elite IT services-including hardware and ... software troubleshooting, system installation, and comprehensive documentation-to...DoD‑approved enclave\. **What You Will Be Doing** As the Systems Administrator Senior, you will be responsible… more
    Lockheed Martin (12/18/25)
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  • Systems Administrator

    Wolfram Research, Inc. (Champaign, IL)
    …of Mathematica, Wolfram|Alpha and Wolfram Language, has an exciting opportunity for a Systems Administrator . The company is looking for an energetic, motivated ... of projects + Maintaining, patching, troubleshooting and administrating production Linux /Mac/Windows-based servers running a variety of different software more
    Wolfram Research, Inc. (01/05/26)
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  • Systems Administrator

    Lockheed Martin (Herndon, VA)
    …Conduct data archiving on an interval agreed upon with the Sponsor * Perform system hardening of Linux systems according to information security engineering ... **Description:** * Monitor the system 's logs and applications on a daily basis\....best practices * Maintain all server, including Windows servers, Linux servers, Oracle database servers, Apache servers, DNS servers… more
    Lockheed Martin (01/11/26)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, protect the integrity of our systems and support Raytheon DT infrastructure around the world. **Senior System ... with many teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you can develop, implement and… more
    RTX Corporation (01/17/26)
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  • MAF DMO Systems Administrator

    Huntington Ingalls Industries (Orlando, FL)
    …Technologies, a division of Huntington Ingalls Industries, is seeking a skilled Systems Administrator to support the Mobility Air Forces Distributed Mission ... systems , and peripheral connections + Configuring and modifying software ; performing configuration management in accordance with (IAW) all Security Technical… more
    Huntington Ingalls Industries (01/10/26)
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  • Systems Administrator

    CACI International (Omaha, NE)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... * * * **The Opportunity:** CACI is seeking a Systems Administrator to support a Service Desk...a multi-tier service desk as well as work with software development and systems administrators to help… more
    CACI International (01/15/26)
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