• Senior Systems Administrator

    GovCIO (Denver, CO)
    **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system ... willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support… more
    GovCIO (07/09/25)
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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 ... Command (USSTRATCOM) and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel Required: Yes… more
    Paragon Cyber Solutions (07/12/25)
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  • Cleared IT Systems Administrator

    BAE Systems (Broomfield, CO)
    … Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and maintenance of ... skills. \#LI-LO1 **Preferred Education, Experience, & Skills** + Red Hat Certified System Administrator (RHCSA). + Linux Foundation Certified System more
    BAE Systems (08/09/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract.... environments + Candidates must have a current DOD ** Top ** ** Secret /SCI** levelsecurity clearance, to include a… more
    Northrop Grumman (06/25/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in Aurora, Colorado. **Job ... the following:** + Perform as a Linux and Windows System Administrator on large government contracts. +...IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope… more
    Northrop Grumman (06/12/25)
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  • Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado ... limited to, the following: * Perform as a Linux System Administrator on large government contracts. *...lieu of a degree. * Candidate must have active/current Top Secret /SCI clearance with adjudicated Polygraph at… more
    Northrop Grumman (06/05/25)
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  • Network- System Administrator II

    Global Resource Solutions (Colorado Springs, CO)
    …motivated, detail orientated, and talented individual for the position of Network/ System Administrator II. Job Description: Summary: The Network/ System ... + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required +...of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI Eligibility +… more
    Global Resource Solutions (06/30/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …for a security clearance​ **Security Clearance:** TS /SCI with Polygraph **Principal Linux System Administrator , Aurora, CO, must have active TS /SCI - CI ... a Raytheon program in a classified environment as a **Principal Linux System Administrator ** . + Responsibilities include building, maintaining, and securing… more
    RTX Corporation (07/19/25)
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  • Senior System Administrator

    CACI International (Denver, CO)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... your work life. More About This Role: As the Systems Administrator on this contract, you will...secure operational environment **Qualifications:** + Must have an **active TS with ability to obtain a Polygraph** + Hardware… more
    CACI International (07/25/25)
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  • Systems Administrator - User Profile…

    TekSynap (Denver, CO)
    **Responsibilities & Qualifications** **RESPONSIBILITIES** The​ Systems Administrator - User ProfileMgr ​is expected tobe able to: + Monitors and manages ... Intelligence Agency's Solutions for the Information Technology Enterprise III (SITE III). Systems Administrator - User ProfileMgr maintainssmooth operation of… more
    TekSynap (07/19/25)
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