• Senior Linux Systems Administrator - 10k…

    Leidos (Aurora, CO)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd If you're looking for ... **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (09/18/25)
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  • Principal Linux Systems Administrator…

    Northrop Grumman (Aurora, CO)
    … information system environments + Candidates must have a current DOD ** Top ** ** Secret / SCI ** levelsecurity clearance, to include a recent **Polygraph** ... and team to do some of the best work of your career. ** Information Technology Professionals, We Want You!** The Northrop Grumman Classified Solutions team is… more
    Northrop Grumman (09/23/25)
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  • Senior Systems Administrator

    Leidos (Aurora, CO)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain SCI , as well as a Polygraph. **Primary ... of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you will play a… more
    Leidos (10/10/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    …our website at: www.dcca.com System Administrator II (Linux) Candidate must have an active TS / SCI w/ Poly For over 40 years, DCCA has provided a broad range ... Systems Administrator II Location Aurora, CO Job Code 2055...Requirements: Provides support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and… more
    DCCA (08/22/25)
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  • Senior Data Center Engineer

    SciTec (Aurora, CO)
    …communication skills Candidates meeting the following criteria will be preferred: + Active DoD TS / SCI clearance + Candidates with OCP Red Hat experience will be ... vendors for license renewals, hardware/software, and support contracts. + Support system administrator personnel as necessary to resolve end user and systems issues.… more
    SciTec (09/11/25)
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  • DevSecOps / Cloud Engineer

    DCCA (Broomfield, CO)
    …Visit our website at: www.dcca.com DevSecOps / Cloud Engineer Candidates MUST have an active TS / SCI Clearance For over 40 years, DCCA has provided a broad range ... of computing resources. * Ancillary duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance,… more
    DCCA (08/29/25)
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