• Senior Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (07/16/25)
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  • Senior Systems Administrator

    GovCIO (Denver, CO)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior -systems- administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6239_… more
    GovCIO (07/09/25)
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  • Senior Linux System…

    GovCIO (Denver, CO)
    …referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active...administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience… more
    GovCIO (08/08/25)
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  • Sr. Principal Linux System…

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

    BAE Systems (Broomfield, CO)
    …available based on position level and/or job specifics. **Cleared IT Systems Administrator Senior ** **115020BR** EEO Career Site Equal Opportunity Employer. ... REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and… more
    BAE Systems (08/09/25)
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  • Senior Systems Administrator (Remote…

    State of Colorado (CO)
    Senior Systems Administrator (Remote from anywhere in Colorado) (OIT Only) Print (https://www.governmentjobs.com/careers/colorado/jobs/newprint/5046363) Apply  ... Senior Systems Administrator (Remote from anywhere in...minimum of three (3) years experience as a systems administrator within a Windows or Linux environment.… more
    State of Colorado (08/16/25)
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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: ... Posting End: 9/19/2025 CACI is seeking **Systems Administrators** with Linux Infrastructure experience to manage and maintain mission-critical operational IT… more
    CACI International (07/25/25)
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  • Lead Linux Admin

    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. * Manage a team of Linux and Windows Administrators responsible for the planning, implementation, and managing of critical systems. *… more
    ASM Research, An Accenture Federal Services Company (07/25/25)
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  • Senior Maximo Applications Suite (MAS)…

    Colorado Springs Utilities (Colorado Springs, CO)
    ** Senior Maximo Applications Suite (MAS) Administrator ** Job Type: **Information Technology** Pay Range **$103,481 to $121,741** Location **Colorado Springs, ... may close at any time after a minimum of 5 days of being posted._ ** Senior Maximo Applications Suite (MAS) Administrator ** This job is eligible for relocation… more
    Colorado Springs Utilities (06/11/25)
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  • Senior System Administrator

    KIHOMAC (Colorado Springs, CO)
    …to the System Administrator + Facilitate effective and efficient interchanges with senior customer management and customers + Work in a very high pace and ... + Maintain and manage Secure Host Baselines for both Windows and LINUX . + Conduct daily system monitoring, system backup and restoral, and application… more
    KIHOMAC (08/16/25)
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