• 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...Groups (ERGs) offer opportunities to be a friend, be active , be a volunteer, be a leader, be recognized,… 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...and Virtualization + **Security Clearance** : Must have an active Top Secret/SCI with Polygraph cssrc conmd Come break… more
    Leidos (10/09/25)
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  • Senior Linux System Administrator

    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 ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (11/07/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** seeks a motivated and customer-focused ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and… more
    ManTech (10/23/25)
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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 Aurora, ... be limited to, the following:** + Perform as a Linux and Windows System Administrator on large...+ 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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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Systems Administrator (Level 2 or 3)** supporting the Integrated National Systems ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able...+ 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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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... Linux servers + Install and configure Red Hat Linux / Windows / Solaris operating systems ...Active Secret clearance + Sec+ certification + Solaris, Linux , Windows, Unix administration + Configuration tools, especially Ansible… more
    ISYS Technologies (10/22/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    Systems Administrator II Location Aurora, CO...our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an active TS/SCI ... remains involved in the resolution process. Configures and manages UNIX and Linux operating systems and installs/loads operating system software, troubleshoots,… more
    DCCA (08/22/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... .This position will be on-site and will require an active Top Secret clearance with SCI / SAP eligibility....maintenance of system policies, such as Windows group policies, Linux authentication PAM rules/files (in concert with Linux more
    ISYS Technologies (09/30/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …making history. Northrop Grumman Space Systems is seeking a **Principal Systems Administrator ** to join the Deep Space Advanced Radar Capability (DARC) ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...ability to extend.** As the DARC Early Use System Administrator you will get to: + Power up, configure,… more
    Northrop Grumman (11/04/25)
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