• Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (11/11/25)
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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 & ... 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 (10/09/25)
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  • Senior Linux System

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... libraries + Advanced Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills + Excellent written and… more
    GovCIO (11/07/25)
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  • Senior Linux System

    KIHOMAC (Colorado Springs, CO)
    …+ Build, configure, deploy, administer, maintain and troubleshoot virtual and physical servers/ systems + Ensure system changes are completed in accordance with ... tasks and troubleshooting efforts + Install, configure, and manage RHEL and other Linux -based systems + Assist integration leads and managers in problem… more
    KIHOMAC (11/13/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …to the warfighter. Come be a part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** ** Level 2** to join our team at our facility in ... be limited to, the following:** + Perform as a Linux and Windows System Administrator ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (10/22/25)
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  • Telecommunications Network System

    Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
    …or CCNP + CompTIA Network+ Nokia NRS I / II + Red Hat Certified System Administrator (RHCSA) + Linux Professional Institute Certification (LPIC-1 or LPIC-2) ... position will be filled at one of four job grade levels: Telecommunications Network System Administrator I, job grade T3; Telecommunications Network System more
    Tri-State Generation and Transmission Association, Inc. (09/25/25)
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  • Systems Administrator ( Level

    Northrop Grumman (Aurora, CO)
    …they're making history. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Systems Administrator ( Level 2 or 3)** supporting the Integrated National ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …DISA STIGs and SRGs + Excellent oral and written communication skills Desired: + Linux System Administrator + DevSecOps + Risk Management Framework ... Title: System Administrator Belong. Connect. Grow. with...systems or related field + DoD 8570-compliant IAT Level II certification (eg CompTIA Security+) + Experience with… more
    KBR (08/22/25)
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  • Systems Administrator Staff,…

    Lockheed Martin (Boulder, CO)
    …Position Summary The NGG program seeks a Systems Administrator to support the Operations ... team readiness for 24/7 operations **Basic Qualifications:** * Proficient with Windows and Linux operating systems * Proficient with RHEL * Ability to work… more
    Lockheed Martin (11/07/25)
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  • System Administrator - Intern

    Lockheed Martin (Schriever AFB, CO)
    …**Desired Skills:** \- Systems administration interest \- Windows or Linux system administration coursework / certifications \- Network management coursework ... critical, leading\-edge missile defense technologies\. The Work As a System Administrator on the team, you will...configuring and managing Linux and Windows Operating systems to include implementing operating system enhancements… more
    Lockheed Martin (11/14/25)
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