• Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows ... 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 (11/19/25)
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  • Information Systems Analyst, Stf…

    Lockheed Martin (Littleton, CO)
    …the Enterprise Operations' Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System Administrator ... \(EO\) is seeking a highly skilled and experienced Full\-Time Windows System Administrator to support the Space...including Active Directory and Group Policy * Experience with Windows /Linux administration or NetApp storage systems *… more
    Lockheed Martin (12/04/25)
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  • Windows System Administrator (Night…

    KIHOMAC (Colorado Springs, CO)
    …years of directly relatable experience in installing, configuring, maintaining, and troubleshooting Windows operating systems and applications such as Windows ... Build, configure, deploy, administer, maintain and troubleshoot virtual and physical servers/ systems + Ensure system changes are completed in accordance with… more
    KIHOMAC (11/23/25)
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  • Systems Administrator (TS/SCI…

    Fluor (Aurora, CO)
    …access level, and have favorably completed a government issued polygraph The Systems Administrator is highly knowledgeable within designated Industrial Control ... are met and manage virtual workstations and servers using VMWare. The Systems Administrator analyzes, evaluates, and proposes recommendations on innovative… more
    Fluor (10/29/25)
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  • Systems Administrator - Helpdesk Sys…

    Northrop Grumman (Colorado Springs, CO)
    …Space Systems -Missile Defense Integration offers an excellent opportunity for a ** Systems Administrator - Helpdesk Systems Administrator (25-571)** ... are seeking a detail-oriented, highly motivated Help Desk System Administrator to join our team in Colorado Springs. This...wide range of technical issues on both **Linux** and ** Windows ** systems . **Essential Functions:** + Configuring and… more
    Northrop Grumman (01/10/26)
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  • Senior Linux Systems Administrator

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **Intelligence Sector,** **Cyber & Analytics Business ... make a difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (01/06/26)
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  • TSSCI Systems Administrator (Level…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 2) to join their growing classified IT team. In ... administration 1- years of experience support RHEL and Windows operating systems Well versed with Active...of experience support RHEL and Windows operating systems Well versed with Active Directory Experience supporting virtualization… more
    Insight Global (11/22/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …well as scripting - particularly in Bash and Python. + Experience administering Windows based systems . + Demonstrated ability to work independently and ... program in a classified environment as a **Principal Linux System Administrator in Aurora, CO.** Responsibilities include building, maintaining, and securing… more
    RTX Corporation (12/29/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Broomfield, CO)
    …into ground-up builds and ongoing security administration. + Integrate Linux and Windows systems within a unified IDM/Active Directory Domain and manage ... of national security. Job Title: Senior Specialist, Cyber Infrastructure Systems Engineer Job Code: 32451 Job Location: Denver, CO...are seeking a skilled and experienced Sr. Specialist, System Administrator to join our Denver, CO team. The ideal… more
    L3Harris (12/26/25)
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  • Help Desk System Administrator - Top Secret

    Lockheed Martin (Schriever AFB, CO)
    …troubleshooting and remedying a wide variety of technical issues on both Linux and Windows systems \. Typical duties include configuring and managing Linux and ... seeking a detail\-oriented and highly motivated Help Desk System Administrator to join our team in Colorado Springs\. This...Windows Operating systems to include implementing operating… more
    Lockheed Martin (12/11/25)
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