• Senior Linux Systems

    Leidos (Aurora, CO)
    …a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (10/09/25)
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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 ... Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready...Linux servers + Install and configure Red Hat Linux / Windows / Solaris operating systems more
    ISYS Technologies (10/22/25)
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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 ... Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you… more
    ISYS Technologies (09/30/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated engineers that pride ... and/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge...Balance. + Training & Development. Why Work For Paragon Cyber Solutions? You want to make a difference. You… more
    Paragon Cyber Solutions (10/11/25)
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  • Systems Administrator Staff, Level 5…

    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 IRES - Ssfb/HSV

    Amentum (Colorado Springs, CO)
    …accordance with established policies, procedures and service level agreements * Assist in Systems Administrator tasks as the mission requires * Develop and ... of 3 years direct/specialized experience in a computer operations environment performing systems administration in a Windows **or** Linux environment * Must… more
    Amentum (11/17/25)
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  • System Administrator - Intern

    Lockheed Martin (Schriever AFB, CO)
    …by troubleshooting and remedying a wide variety of technical issues on both Linux and Windows systems \. Typical duties include configuring and managing ... Linux and Windows Operating systems to include implementing operating system enhancements to improve reliability and performance; installing software; applying… more
    Lockheed Martin (11/14/25)
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  • Network/System Administrator (Net/Sys…

    General Dynamics Information Technology (Colorado Springs, CO)
    …Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems , forensic analysis/vulnerability assessment, Group Policy ... IT Infrastructure and Operations **Skills:** Computer Networking,Microsoft Windows Server,Network Systems ,Troubleshooting **Experience:** 1 + years of related experience **US… more
    General Dynamics Information Technology (11/04/25)
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