• Senior Network/ Systems

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be fully remote. ... USD $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7168/ senior -network- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-7168_… more
    GovCIO (12/03/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC… more
    Northrop Grumman (12/12/25)
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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 ... Secret preferred. + Analyze, maintain, and optimize multi-user system architectures and configurations across Red Hat Linux, Windows,...to the use of computing resources + Setting up administrator and service accounts + Maintaining system more
    ISYS Technologies (12/09/25)
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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 & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (10/09/25)
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  • Senior / Principal Windows System

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

    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 ... USD $135,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior -linux- system - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_… more
    GovCIO (11/07/25)
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  • Senior Principal Contract…

    BAE Systems (Westminster, CO)
    **Job Description** **US CITIZENSHIP REQUIRED** As a Senior Principal Contract Administrator in the Tactical Solutions contracts department, reporting to a ... incentives may be available based on position level and/or job specifics. ** Senior Principal Contract Administrator ** **115466BR** EEO Career Site Equal… more
    BAE Systems (12/09/25)
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  • Information Systems Analyst, Stf / Windows…

    Lockheed Martin (Littleton, CO)
    …the Enterprise Operations' Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System Administrator ... Operations \(EO\) is seeking a highly skilled and experienced Full\-Time Windows System Administrator to support the Space business area's CPS classified… more
    Lockheed Martin (12/04/25)
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  • Windows Administrator

    GovCIO (Denver, CO)
    …VA and will be a remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently ... environment. This position will plan, execute, and implement new system HW and SW and create and maintain team...or IT. + 5+ years' experience as a Windows Systems Administrator or Engineerwith 3+ years' experience… more
    GovCIO (09/24/25)
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  • Cybersecurity Internal Controls…

    GovCIO (Denver, CO)
    …in Radford, VA and will be a remote position. **Responsibilities** The Senior Cybersecurity Internal Controls Administrator (Information Assurance Engineer - ... packages, maintaining asset lists and categorizations, and scheduling and coordinating system validation reviews. The administrator will generate artifacts to… more
    GovCIO (09/24/25)
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