• System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …(LANs), wide area networks (WANs), network segments, intranets, and other data communication systems . The Network / System Administrator will help architect, ... Our team is looking for a **SysOps Engineer (** ** System Administrator ).** In this role you will...one or more of the following supported platforms: MS Hyper-V/ VMWare /ESXi/Xen Hypervisors, Enterprise networking and firewall systems ,… more
    Parsons Corporation (05/16/25)
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  • Sr. Principal Linux System

    RTX Corporation (Aurora, CO)
    …for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux System Administrator , Aurora, CO, must have active TS/SCI - CI Poly ... Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, and securing… more
    RTX Corporation (07/19/25)
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  • Senior System Administrator

    CACI International (Denver, CO)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... your work life. More About This Role: As the Systems Administrator on this contract, you will...Hat IPA + Experience with virtualization (Red Hat Virtualization, VMWare , ESXi, VCenter etc.) + Experience with NAS +… more
    CACI International (07/25/25)
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  • Infrastructure Automation System

    Lockheed Martin (Schriever AFB, CO)
    …Joining the Global Platforms and Infrastructure \(GPI\) team as an Infrastructure Automation Systems Administrator offers a unique opportunity to be part of a ... team, is engineering, developing and integrating new capability for the Missile Defense System that currently protects the United States and its allies\. The team… more
    Lockheed Martin (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    ManTech is seeking a **Linux** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort and ... are not limited to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system availability and… more
    ManTech (08/08/25)
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  • System Administrator

    DCCA (Denver, CO)
    System Administrator Location Denver, CO Job Code 2454 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active TS/SCI Clearance For… more
    DCCA (06/24/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    MANTECH seeks a motivated and customer-focused **Linux** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT ... are not limited to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system availability and… more
    ManTech (08/08/25)
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  • Linux System Administrator , Senior…

    GovCIO (Denver, CO)
    **Overview** GovCIO is hiring a Windows and Linux System Administrator (Senior) to support Veterans Affairs operational needs. The role requires AWS, Windows, ... recurring problems and recommend solutions to minimize impact and frequency. + Ensure system integrity and perform upgrades to systems and/or servers as… more
    GovCIO (07/25/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated engineers that pride ... training to US and FMS personnel, as well as system support to the local Colorado Springs, NATO, and...Systems . + Knowledge of virtualization concepts and products ( VMware ). + Knowledge of Microsoft Active Directory (AD) for… more
    Paragon Cyber Solutions (07/12/25)
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  • Network Administrator

    Air Comm Corporation (Westminster, CO)
    …network administrator is responsible for maintaining the networks and systems that keep our organization running. From maintaining ironclad security to ... Network Administrator Thornton, CO (http://maps.google.com/maps?q=14903+Grant+Street+Suite+#110+Thornton+CO+USA+80023) Apply Description At Signia Aerospace, the… more
    Air Comm Corporation (06/19/25)
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