• Principal Systems Administrator

    Leidos (Aurora, CO)
    …Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Systems Administrator to join a new cyber security program and play a ... drive automation and optimization initiatives. + Apply deep expertise in systems administration, cloud technologies, cybersecurity, and automation, along with… more
    Leidos (03/29/25)
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  • Secret Systems Administrator

    Insight Global (Broomfield, CO)
    Job Description An employer based in Boulder, CO is looking to hire a Senior Systems Administrator on-site in Broomfield, CO. This person will work directly with ... whatever your highest clearance is) Proven experience as a Systems Administrator , preferably in supporting DoD or...in supporting DoD or government customers Strong knowledge of Linux operating systems and network administration (RHEL)… more
    Insight Global (04/29/25)
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  • Tenant Ops Shift Systems…

    Koniag Government Services (Boulder, CO)
    Tenant Ops Shift Systems Administrator Boulder, CO, USA Req #200 Wednesday, April 23, 2025 **Koniag Data Solutions,** a Koniag Government Services company, is ... seeking a Tenant Ops Shift Systems Administrator with a Secret security clearance...Experience, Knowledge, Skills & Abilities:** + Technical certifications (MCSE, Linux +) + Experience with classified systems +… more
    Koniag Government Services (04/23/25)
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  • Senior Systems Administrator

    SAIC (Colorado Springs, CO)
    …SAIC's Horizon 2 contract is seeking an energized and professional **Senior Systems Administrator ** to support the contract's secure operating facilities in ... **Colorado Springs, CO** . Your background in configuring, maintaining, and troubleshooting systems in both Windows and Linux environments will be the driving… more
    SAIC (04/10/25)
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  • Systems Support Administrator - US

    Pearson (Denver, CO)
    **Position Summary:** Pearson Virtual Schools (PVS), is hiring a Systems Administrator , local to Baltimore Maryland, who will join the team who manages our ... troubleshoot Windows (workstation and server), ChromeOS and ChromeOS Flex operating systems , laptop computers, Chromebooks, Apple iPads and printers + Administer and… more
    Pearson (04/30/25)
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  • Senior Systems Administrator

    Lumen (Denver, CO)
    …in training and experience. + Minimum four (4) years work experience in Linux systems administration, including scripting, configuring, tuning & networking. + ... the world and shape the future. **The Role** The Lumen Production Systems Infrastructure team is seeking customer focused, detail-oriented engineers that enjoy… more
    Lumen (05/02/25)
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  • System Administrator

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …nation and global customers. Kratos has an exciting opportunity for a System Administrator to support system and infrastructure engineers, cloud engineers, and ... the execution of information assurance and security. The System Administrator will be assisting with the compliance of classified...+ Familiarity with computer networks include Microsoft Windows and Linux based operating systems as well as… more
    Kratos Defense & Security Solutions, Inc. (03/05/25)
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  • IT System Administrator

    H3X Technologies (Louisville, CO)
    …30 kW to 30 MW, include integrated drives, and are 3X lighter than competitors' systems . About the Role: As a System Administrator , you will be responsible for ... or similar tools. + Familiarity with server environments (Windows Server, Linux ) and virtualization technologies. + Knowledge of cloud -native security… more
    H3X Technologies (05/09/25)
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  • DCO Systems Administrator

    General Dynamics Information Technology (Peterson AFB, CO)
    …(STIGs), ACAS vulnerability scanner, and Evaluate-STIG to mitigate those findings for Linux , Windows, and associated network operating systems + Ensures the ... ACAS, ESS, and security related activities to secure and harden the DCO systems . + Uses defensive measures and information collected from a variety of sources… more
    General Dynamics Information Technology (04/26/25)
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  • Tier 2 System Administrator

    Koniag Government Services (Boulder, CO)
    …Server administration + Strong Active Directory management skills + Experience with Linux systems + Knowledge of virtualization platforms + Advanced networking ... Tier 2 System Administrator Boulder, CO, USA Req #201 Wednesday, April...tools + Strong documentation skills + Experience with monitoring systems + Understanding of change management + Excellent communication… more
    Koniag Government Services (04/23/25)
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