• Senior / Principal Windows System

    SciTec (Boulder, CO)
    …not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in Boulder, CO. ... maintain security policies and procedures to protect Windows systems and data. + Monitor ...+ 5+ years professional experience performing duties of a Windows system administrator + Strong… more
    SciTec (11/19/25)
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  • Systems Administrator

    Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... performance and security , and providing technical support to internal users. The Systems Administrator will work closely with the IT team to ensure all… more
    Infinity Systems Engineering (12/05/25)
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  • Cyber Systems Administrator

    Serco (Colorado Springs, CO)
    …Air Force Base in Albuquerque, New Mexico** . The Cyber System Administrator will operate and maintain systems within the DMOC Battlespace, enabling the ... system tests + Adhering to strict Information Systems security guidelines in all cases. +... components. + Performing as a Systems Administrator for a hybrid classified environment (ie, Windows more
    Serco (01/15/26)
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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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  • 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 ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...the future of space defense. KBR is seeking a System Administrator to join our team in… more
    KBR (12/12/25)
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  • Systems Administrator - Helpdesk Sys…

    Northrop Grumman (Colorado Springs, CO)
    …Functions:** + Configuring and managing **Linux** and ** Windows ** Operating systems , including: + Implementing operating system enhancements to improve ... -Missile Defense Integration offers an excellent opportunity for a ** Systems Administrator - Helpdesk Systems ...+ Experience with system administration on both Windows Server and Linux operating systems +… more
    Northrop Grumman (01/10/26)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …networks invulnerable to ever evolving threats\. What You Will Be Doing As a ** System Administrator ** within this dynamic environment, you will be the guardian ... in a rapid paced, team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to… more
    Lockheed Martin (12/18/25)
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  • Senior System Administrator

    The Boeing Company (Colorado Springs, CO)
    …& Security ** (BDS) Phantom Works Organization is seeking a **Senior System Administrator ** to support the **Phantom Works Space Battle Management Command ... Management Command & Control (SBMC2) team requires a Senior System Administrator to support operation of a...validates requirements for new and revised hardware and software systems (mixed Windows /Linux environment on VMware vSphere… more
    The Boeing Company (01/09/26)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …frameworks + Certifications such as CompTIA Security +, AWS Certified SysOps Administrator , or Red Hat Certified System Administrator (RHCSA) Basic ... Title: System Administrator Belong. Connect. Grow. with...Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (01/13/26)
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  • Senior Linux Systems Administrator

    Leidos (Aurora, CO)
    …a difference in National** ** Security !** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation, ... will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance.… more
    Leidos (01/06/26)
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