• Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …location for this position is Littleton, CO\. The Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications, ... connectivity and other IT related issues\. The Multi\-Function Information Systems Analyst will assist with Information Assurance, performing environmental… more
    Lockheed Martin (12/04/25)
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  • 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...environments + Candidates must have a current DOD **Top** ** Secret /SCI** levelsecurity clearance, to include a recent **Polygraph** [adjudicated… 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...+ **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If you're looking for… more
    Leidos (12/19/25)
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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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  • Help Desk System Administrator - Top…

    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 ... seeking a detail\-oriented and highly motivated Help Desk System Administrator to join our team in Colorado Springs\. This...Linux and Windows Operating systems to include implementing operating system enhancements to improve… more
    Lockheed Martin (12/11/25)
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  • Senior Systems Administrator

    ISYS Technologies (Colorado Springs, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... Minimum Clearance Required Secret Responsibilities I2X Technologies is a reputable technology...Linux servers + Install and configure Red Hat Linux / Windows / Solaris operating systems more
    ISYS Technologies (12/09/25)
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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 ...take add'l experience in lieu of degree + Active Secret clearance + Sec+ certification + Solaris, Linux more
    ISYS Technologies (10/22/25)
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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 3 - Helpdesk…

    Northrop Grumman (Colorado Springs, CO)
    Systems -Missile Defense Integration offers an excellent opportunity for a Principal Systems Administrator -Helpdesk Sys Admin (25-571) to join our team of ... and Windows platforms. **Essential Functions:** + Configuring and managing ** Linux ** and **Windows** operating systems , including: + Implementing operating… more
    Northrop Grumman (12/05/25)
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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 ... US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel Required: Yes...and/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge… more
    Paragon Cyber Solutions (10/11/25)
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  • Information Systems Analyst, Stf / Windows…

    Lockheed Martin (Littleton, CO)
    …Windows environments, including Active Directory and Group Policy * Experience with Windows/ Linux administration or NetApp storage systems * Experience applying ... Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System Administrator Job Requirements Lockheed Martin… more
    Lockheed Martin (12/04/25)
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  • CCS-C Systems Administrator

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …to our nation and global customers. Kratos has an exciting opportunity for a CCS-C Systems Administrator and Systems Integrator. The ideal candidate has over ... five years of experience in Systems Administration or Software Integration. Familiarity with the government...Experience: + Active Security+ with CE + Minimum clearance: SECRET with ability to obtain TS/SCI + Bachelor's degree… more
    Kratos Defense & Security Solutions, Inc. (11/27/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …rapid paced, team environment * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to ... threats\. What You Will Be Doing As a **System Administrator ** within this dynamic environment, you will be the...Day to day Operations - Monitor, maintain, and support Windows/ Linux servers, virtualization platforms, and storage systems more
    Lockheed Martin (12/18/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …critical role - protecting our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation, supporting ... STIGs and SRGs + Excellent oral and written communication skills Desired: + Linux System Administrator + DevSecOps + Risk Management Framework implementation +… more
    KBR (11/20/25)
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  • System Administrator (SA) SME

    KBR (Colorado Springs, CO)
    Title: System Administrator (SA) SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future...future of space defense. KBR is seeking a System Administrator to join our team in Colorado Springs, CO.… more
    KBR (12/12/25)
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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 ... of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (11/04/25)
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  • Storage Administrator

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Storage Administrator , tomanage, maintain, deploy, troubleshoot, and support servers and storage systems . This ... be a remote position. **Responsibilities** This position is for a Senior Storage Administrator for a mixed and growing environment of various storage HW. This… more
    GovCIO (12/24/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Denver, CO)
    …field + Seven (7) years of systems administration experience on UNIX operating systems Red Hat Enterprise Linux (RHEL), Solaris, or HP-UX. + Five (5) years' ... UNIX hardware and operating system environments including Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris. Optimizes backup processes; optimizes disk space… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • Cyber Systems Engineer 4- Int Spec (25-572)

    Northrop Grumman (Colorado Springs, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...+ Applicants must have a current, active in-scope DoD-issued ** Secret ** security clearance at the time of application, which… more
    Northrop Grumman (12/05/25)
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  • UNIX Systems Engineer

    GovCIO (Denver, CO)
    …waived for 30 days after project join date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasks. + 3+ ... **Overview** GovCIO is currently hiring for an UNIX Systems Engineer to plan, execute, and implement,create and...a mixed and growing environment of Red Hat Enterprise Linux /Oracle Enterprise Linux and Solaris UNIX. This… more
    GovCIO (12/24/25)
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