• 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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  • Linux Automation Systems…

    Actalent (Aurora, CO)
    Linux Automation Systems Administrator Level 5 Job Description We are seeking a Linux Automation Systems Administrator to build, maintain, and secure ... on-call support . Responsibilities + Build, maintain, and secure IT systems using industry-standard automation tools. + Support customer mission-critical… more
    Actalent (07/30/25)
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  • Customer Service Engineer ( System…

    IT Concepts (Lakewood, CO)
    …and achieve extraordinary milestones. Kentro is hiring an experienced Customer Service Engineer ( System Administrator ) to support our VA-ESOM- End Point ... system administration tasks and logging data in system admin logs. Responsibilities: + Support the...with Microsoft Office applications, and a basic understanding of system administration in a Windows environment Clearance… more
    IT Concepts (08/01/25)
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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,...version 6.0 and/or at least five (5) years of Windows and Linux systems administration experience. +… more
    Paragon Cyber Solutions (07/12/25)
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  • M365 & Intune Policy Administrator - Lead

    Deloitte (Denver, CO)
    …feature/quality updates. Required Qualifications: + Minimum 8+ years proven experience in Windows Systems including endpoint management and administration or 6 ... Job Summary: We are seeking a skilled Endpoint Administrator Associate to join our IT team. The...role requires a strong understanding of Microsoft 365 workloads, Windows 10/11, and other endpoint management tools. Recruiting for… more
    Deloitte (07/25/25)
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  • Principal Analyst, Database Administrator

    Vail Resorts (Broomfield, CO)
    …server maintenance. + Build and support a variety of applications on Microsoft Windows Server Operating systems on Physical and Virtual servers. + Support ... of Windows Server administration, including experience with:** + Building and installing Windows Operating systems + Managing backup systems and recovery… more
    Vail Resorts (07/09/25)
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  • Systems Administrator II

    GeoStabilization International (Westminster, CO)
    …+ Paid parental leave Responsibilities + Install, configure, and maintain operating systems , software, servers, and hardware. + Monitor system performance and ... procedures. Working Conditions: + + May require occasional on-call support or after-hours work during system upgrades...support role + Proficiency in multiple versions of Windows Server (2012 R2 and later). + Experience with… more
    GeoStabilization International (07/19/25)
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  • Systems Administrator with Secret…

    TestPros (Colorado Springs, CO)
    …Overview: Support the configuration, maintenance, and security of mission-critical systems . The role is critical to ensuring system availability, compliance, ... and patching per cybersecurity requirements. Key Responsibilities: + Administer Windows /Linux systems and services + Perform regular...and GPOs + Implement STIG compliance and assist with system scans + Support system … more
    TestPros (08/02/25)
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  • Systems Administrator III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …may be considered in lieu of required education + Prior experience with systems administration in Windows or Linux environments + Excellent interpersonal and ... the industry requirements well enough to shape our our support and growth solutions. SNC offers a generous benefit...execute to a schedule ) + Experience with both Windows and Linux operating systems + Experience… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Tenable Nessus Administrator

    CACI International (Colorado Springs, CO)
    …US Anticipated Posting End: 9/30/2025 **The Opportunity:** CACI is looking for a Tenable Administrator to support our DoD customer to implement an enterprise IT ... Tenable Nessus Administrator Job Category: Information Technology Time Type: Full...management and security solution, as well as CONUS/OCONUS field support and life cycle support for end… more
    CACI International (08/02/25)
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