• Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... Install and configure Red Hat Linux / Windows / Solaris operating systems + Ensure compliance with...security policy, Risk Management Framework (RMF) + Set up administrator and service accounts + Maintain system more
    ISYS Technologies (10/22/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    William C Brown Inc (10/14/25)
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  • F-22 iMIS System Administrator

    Lockheed Martin (Elmendorf AFB, AK)
    …support to our users\. **What You Will Be Doing** * Administer and maintain Solaris Unix , RedHat Enterprise Linux \(RHEL\), and Windows operating systems \. ... **Description:** We are seeking an experienced Unix or Windows Administrator to join our F\-22 Field Operations Team at Elmendorf Air Force Base, Alaska\. As a… more
    Lockheed Martin (11/15/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many ... or similar. **Qualifications We Prefer:** + Experience with Ansible. + Experience Unix / Solaris 11. + VMware expertise desired. + Experienced mentoring… more
    RTX Corporation (09/09/25)
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  • F-22 iMIS System Administrator

    Lockheed Martin (Langley Air Force Base, VA)
    …for this position: * Five \(5\) years combination of the below skills: * UNIX / Solaris /Linux operating system experience\. Windows server experience may be ... **Description:** Join the Lockheed Martin Aeronautics Field Sustainment Team as an IT Systems Administrator for our Langley Air Force Base, Virginia office\. As… more
    Lockheed Martin (09/19/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …and Tier 2 support levels + Configure and manage UNIX /Linux operating systems and install/load OS software + Optimize system operations and perform resource ... **MANTECH** is seeking a **Linux** ** System Administrator ** to join our team...required + Experience with troubleshooting and maintaining enterprise IT systems + Experience managing and optimizing UNIX /Linux… more
    ManTech (10/23/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …and Tier 2 support levels + Configure and manage UNIX /Linux operating systems and install/load OS software + Optimize system operations and perform resource ... **MANTECH** seeks a motivated and customer-focused **Linux** ** System Administrator ** to join our team...certification + Experience with troubleshooting and maintaining enterprise IT systems + Experience managing and optimizing UNIX /Linux… more
    ManTech (10/23/25)
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  • System Administrator , High…

    RTX Corporation (Tucson, AZ)
    …are eligible for a security clearance​ **Security Clearance:** Secret - Current ** System Administrator , High Performance Computing (HPC) - P2** **Senior Analyst ... to lead and support the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions… more
    RTX Corporation (10/24/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (11/05/25)
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  • System Administrator

    ProSphere Tek (Tacoma, WA)
    …MS Outlook, Word, Excel, Access, PowerPoint and SharePoint. + Working knowledge of operating systems : UNIX (Sun Solaris , SUNOS), LINUX, Microsoft Windows OS ... improve your skills and experience? PSI is seeking a System Administrator with an active Top Secret/SCI...workstations with a common user interface across multiple operating system environments. Support up to 850 systems .… more
    ProSphere Tek (10/31/25)
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