• Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …Linux servers + Install and configure Red Hat Linux / Windows / Solaris operating systems + Ensure compliance with computer security policy, Risk Management ... Framework (RMF) + Set up administrator and service accounts + Maintain system documentation +...experience + Active Secret clearance + Sec+ certifications + Solaris systems administration is a must + Linux systems… more
    ISYS Technologies (10/03/25)
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  • Storage Administrator

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Storage Administrator , tomanage, maintain, deploy, troubleshoot, and support servers and storage systems. This position ... be a remote position. **Responsibilities** This position is for a Senior Storage Administrator for a mixed and growing environment of various storage HW. This… more
    GovCIO (09/24/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    MANTECH seeks a motivated and customer-focused **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT ... and change logs **Preferred Qualifications:** + Operating Systems: CentOS, AIX, Solaris , RHEL + Tools & Platforms: NiFi, Docker, Putty, VMWare, OpenStack,… more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    ManTech is seeking a **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort and is ... of the following technologies and environments: + Operating Systems: CentOS, AIX, Solaris , RHEL + Tools & Platforms: NiFi, Docker, Putty, VMWare, OpenStack, Cisco… more
    ManTech (08/08/25)
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  • Database Administrator

    Lockheed Martin (Colorado Springs, CO)
    …Atlassian tool suite \(Jira and Confluence\) * Familiarity with Windows, Linux, and Solaris operating systems * Ability to work both independently and as part of ... a team **Security Clearance Statement:** This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (09/27/25)
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  • Senior IT Infrastructure Engineer

    Lumen (Denver, CO)
    …this position is to serve as a Linux and virtual infrastructure system administrator , for both on-premise and cloud based infrastructure. Primary functions are to ... + Minimum of 4 years of experience with Unix ( Solaris , HP-UX, etc.) administratio + Experience with Solaris...( Solaris , HP-UX, etc.) administratio + Experience with Solaris is required. + Experience with automation and orchestration… more
    Lumen (10/05/25)
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  • UNIX Systems Engineer

    GovCIO (Denver, CO)
    …a mixed and growing environment of Red Hat Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. This position will work with the existing UNIX team to manage, ... 30 days after project join date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasks. + 3+ yrs experience… more
    GovCIO (09/24/25)
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