• Specialist, Systems Administration…

    L3Harris (Melbourne, FL)
    …professional to join the Managed Operational Support Services (OSS) team as a Linux System Administrator (Sys Admin). Responsibilities for this position ... the virtual environment (VM) and installing and configuring the Linux based Red Hat Operating System . The... installations and upgrades to RedHat and Windows operating systems and layered software packages and maintains… more
    L3Harris (12/21/25)
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  • Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …our systems and support IT infrastructures around the world. **Senior System Administrator ** , internally known as Senior Analyst, Information Workplace ... Services collaborate and support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement,… more
    RTX Corporation (12/29/25)
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  • System Administrator

    CACI International (Laurel, MD)
    …tickets + Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software , troubleshoot, maintain ... System Administrator Job Category: Information Technology...CWIP: IAT Level I Certification, IA Baseline Certification in Linux , Unix, Windows, or Cisco OS operating system… more
    CACI International (11/20/25)
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  • Associate Cloud Systems…

    Penske (Reading, PA)
    …to be in line with company guidelines * Install, configure, and test operating systems , application software , and system management tools * Ensure the ... networks, storage, and compute resources. As a Penske Cloud Systems Administrator , you are part of the...within other IT groups * Install, patch and maintain Linux systems , middleware for web systems… more
    Penske (11/06/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass ... Description:** Parsons is looking for an amazingly talented **Mid System Administrator ** to join our team! **What...for system administrators. + RHCSA - Core Linux system administration certification. + Experienced with… more
    Parsons Corporation (11/15/25)
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  • Entry Level or Mid Level System…

    Belay Technologies (Annapolis Junction, MD)
    … + Five (5) years' experience administering Linux , Unix or Windows Operating System + Three (3) years' experience installing software packages such as .iso ... in 2 021! Belay Technologies is seeking a Mid-Level System Administrator (SA2) to join our intel...DoD, as well as state-of-the-art commercial products. We hire software engineers, web designers, test engineers, systems … more
    Belay Technologies (01/09/26)
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  • Help Desk System Administrator - Top…

    Lockheed Martin (Schriever AFB, CO)
    …duties include configuring and managing Linux and Windows Operating systems to include implementing operating system enhancements to improve reliability ... are seeking a detail\-oriented and highly motivated Help Desk System Administrator to join our team in... system administration in both Windows Server and Linux operating systems \. * Experience with troubleshooting… more
    Lockheed Martin (12/11/25)
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  • System Administrator

    DCCA (Denver, CO)
    System Administrator Location Denver, CO Job...System Deployment and configuration for RHEL7/8 and SuSE Linux + System security management using RMF ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active TS/SCI Clearance For… more
    DCCA (12/21/25)
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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...status to agency management and internal customers* Install/load operating system and application software * Isolate and resolve… more
    William C Brown Inc (01/13/26)
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  • IT System Administrator…

    Amentum (Houston, TX)
    …We have an exciting opportunity for a **IT System Administrator / Systems Analyst** to join our Software Engineering and Dev Ops team with Intuitive ... + ** System Administration:** Demonstrated experience administering Microsoft and Linux systems in complex environments. + **Solution Design:** Develop… more
    Amentum (01/16/26)
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