• Systems Administrator - Linux

    GovCIO (Denver, CO)
    …/Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6104/ systems - administrator linux - windows ... our group. Work with other Admins to closely monitor multiple applications and systems to ensure files process completely and correctly. Assist in documentation of… more
    GovCIO (06/03/25)
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  • Lead, Cyber Infrastructure Systems Engineer…

    L3Harris (Colorado Springs, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux / Windows ) Job Code: 23571 Job Location: ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (05/07/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Colorado Springs, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux / Windows ) Job Code: 23393 Job Location: ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (05/01/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Your role will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity,… more
    Leidos (05/30/25)
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  • Hybrid Systems Engineer, Sr…

    Lockheed Martin (Littleton, CO)
    …\. This includes the expert\-level installation, configuration, and maintenance of Windows and Linux environments, database deployments, and application tools\. ... not limited to: * Proficiently administer and proactively maintain complex hybrid Windows and Linux server environments across classified networks for optimal… more
    Lockheed Martin (05/02/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Principal Linux Systems Administrator Aurora, CO, 100% on site. Must ... a Raytheon program in a classified environment as a **Principal** ** Linux System Administrator .** + Responsibilities include building, maintaining, and… more
    RTX Corporation (05/23/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …+ Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments + Windows ... has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team...Implement and maintain security policies and procedures to protect Windows systems and data + Monitor system… more
    SciTec (04/06/25)
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  • Sr. Windows Administrator /Test Lab…

    Leidos (Aurora, CO)
    …similar enterprise vendors. + Must have experience in or familiarity with the following systems : Windows / Linux operating systems , VMware, VSphere and ... up front. No exceptions.* We are hiring a **Senior Windows Administrator / Test Lab Manager** to...support of a complex network environment with geographically distributed systems . The position entails supporting system engineering requests to… more
    Leidos (03/28/25)
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  • Systems Administrator 3

    Belcan (Colorado Springs, CO)
    Linux (RHEL) Systems Administration and secondarily perform as a Windows Systems Administrator . The team manages the hardware, software, network, ... Systems Administrator 3 Job Number: 357243...planned for future capabilities. Responsibilities: * Perform as a Windows and Linux System Administrator more
    Belcan (05/08/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at...server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows + Perform… more
    Northrop Grumman (05/30/25)
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