• 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, ... USD $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_… more
    GovCIO (07/25/25)
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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) ... 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 (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 ... $105,000.00 /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**… more
    GovCIO (07/09/25)
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  • Sr. Principal Linux System

    RTX Corporation (Aurora, CO)
    …a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, and ... security clearance​ **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux System Administrator , Aurora, CO,...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using… more
    RTX Corporation (07/19/25)
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  • Senior System Administrator

    CACI International (Denver, CO)
    Senior System Administrator Job...virtual server environments + Hands-on working knowledge of RedHat linux systems + Responsible for pro-active ... your work life. More About This Role: As the Systems Administrator on this contract, you will... patching in an operational environment + Ensure all Linux systems are running current versions of… more
    CACI International (07/25/25)
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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 in ... and maintain security policies and procedures to protect Windows systems and data + Monitor system performance...10+ years professional experience performing duties of a Windows system administrator + In-depth knowledge of Microsoft… more
    SciTec (06/18/25)
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  • COSMIC Systems Administrator II

    University Corporation for Atmospheric Research (Boulder, CO)
    …development of standards and guides for engineering activities, in partnership with the senior system administrator and CDAAC Manager. + Develop technical ... sponsor computer security standards. The COSMIC Systems Administrator II assists users with networking and system... Administrator II assists users with networking and system configuration issues-primarily on Linux , with occasional… more
    University Corporation for Atmospheric Research (07/18/25)
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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 ... team members. * Working with other teams to integrate Linux systems with existing infrastructure and new...trends related to information security. * Red Hat Certified System Administrator (RHCSA). * Red Hat Certified… more
    ASM Research, An Accenture Federal Services Company (07/25/25)
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  • RHEL Principal/Sr. Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …projects planned for future capabilities. **Roles and Responsibilities:** + Perform as a Senior Linux Systems Administrator . + Maintain smooth ... at our Colorado Springs, CO location as a **RHEL Principal/ Senior Principal Systems Administrator ** supporting...you will be primarily focused on Red Hat Enterprise Linux Systems Administration by maintaining and enhancing… more
    Northrop Grumman (05/28/25)
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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 ... Manager + Business Analyst + Business Analyst + Information System Security Officer (ISSO) + Logistician + Operations Project...Engineer + Tenable Engineer + Tenable Administrator + SQL Database Administrator **Locations:** +… more
    CACI International (07/10/25)
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