• 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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  • 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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  • Sr . Principal Linux System…

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

    GovCIO (Denver, CO)
    **Overview** GovCIO is hiring a Windows and Linux System Administrator ( Senior ) to support Veterans Affairs operational needs. The role requires AWS, ... $150,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6366/ linux -system- administrator %2c- senior -%28remote%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/25/25)
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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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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …the warfighter. Come be a part of our mission. Northrop Grumman is seeking a ** Sr Principal Systems Administrator ** to join our team at our facility in Aurora, ... not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + Perform administration on VMware… more
    Northrop Grumman (06/12/25)
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  • IT Opportunities in Support of the Air Force…

    CACI International (Colorado Springs, CO)
    … + Linux Administrator + Linux Administrator + Security Administrator + Tanium Administrator - Senior + Tanium Administrator + Tanium ... Engineer + Tenable Engineer + Tenable Administrator + SQL Database Administrator **Locations:** + CHANTILLY VA (COMMONWEALTH BUILDING A) + WRIGHT PATTERSON AFB… more
    CACI International (07/10/25)
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  • Principal/ Sr . Principal Systems…

    Northrop Grumman (Aurora, CO)
    …mission. Northrop Grumman Space Systems (NGSP) seeks to fill a **Principal or Sr . Principal** **System Administrator ** in the Payload and Ground Systems Division ... may be consider in lieu of a degree. + ** Sr Principal:** Bachelor's degree with 8+ years of relevant...+ Subject Matter Expert (SME) in VMWare, k8s, Windows, Linux , enterprise implementation, migration, and maintenance. + Experience in… more
    Northrop Grumman (07/23/25)
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  • Database Administrator Sr .

    Lockheed Martin (Longmont, CO)
    …* Work/life balance * Career development * Mentorship opportunities * Rewards & recognition This position has a collaborative and modern agile workspace in beautiful ... MySQL and Microsoft SQL Server database platforms * Experience working in a Linux environment * Proficiency in Microsoft Office * Self\-driven, ability to work… more
    Lockheed Martin (07/18/25)
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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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