• Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **Intelligence Sector,** **Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (01/06/26)
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  • Senior Linux System

    GovCIO (Denver, CO)
    …Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux - system - administrator ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with... Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills… more
    GovCIO (11/07/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... Chief Information and Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin** to join its dynamic team of technical… more
    Northrop Grumman (01/07/26)
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  • Sr Linux Admin - Colorado

    Insight Global (Broomfield, CO)
    Job Description A leading company in the commercial space industry is looking for a Sr Linux Administrator to join their growing corporate IT Team. This ... follow within their Linux environment. You will be responsible for deploying linux operating systems on servers and workstations, working with dev tools to… more
    Insight Global (01/08/26)
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  • Sr Principal Systems

    Northrop Grumman (Aurora, CO)
    …history, they're making history. Northrop Grumman Space Systems (NGSP) is seeking a ** Sr Principal Systems Administrator ** to join our team at our ... be limited to, the following:** + Perform as a Linux and Windows System Administrator ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/13/25)
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  • Sr . Principal Systems

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) seeks to find a ** Sr . Principal Systems Administrator ** supporting the Integrated National ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …rapid paced, team environment * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to ... evolving threats\. What You Will Be Doing As a ** System Administrator ** within this dynamic environment, you...Day to day Operations - Monitor, maintain, and support Windows/ Linux servers, virtualization platforms, and storage systems more
    Lockheed Martin (12/18/25)
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  • Senior System Administrator

    The Boeing Company (Colorado Springs, CO)
    …us. **Boeing Defense, Space & Security** (BDS) Phantom Works Organization is seeking a ** Senior System Administrator ** to support the **Phantom Works Space ... Battle Management Command & Control (SBMC2) team requires a Senior System Administrator to support...validates requirements for new and revised hardware and software systems (mixed Windows/ Linux environment on VMware vSphere… more
    The Boeing Company (01/09/26)
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  • Application Systems Administrator

    ASM Research, An Accenture Federal Services Company (Denver, CO)
    …and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT ... administrator disciplines. + Responsible for installing, configuring, and maintaining..., VMware (vCenter). + Experience with a variety of systems to include VMware, Red Hat Enterprise Linux more
    ASM Research, An Accenture Federal Services Company (01/13/26)
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  • Senior / Principal Windows System

    SciTec (Boulder, CO)
    …requirements will not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team ... and maintain security policies and procedures to protect Windows systems and data. + Monitor system performance...5+ years professional experience performing duties of a Windows system administrator + Strong knowledge of Microsoft… more
    SciTec (11/19/25)
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