• Senior Systems Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our ... and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile...and 10+ years of SA experience + Proficient with Linux . Minimum of 3 years Linux more
    BigBear.ai (12/30/25)
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  • Technical Engagement Network (TEN) Lab Manager/…

    BCMC (Arlington, VA)
    …We are seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS… more
    BCMC (11/21/25)
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  • Systems Administrator Autonomic…

    Lockheed Martin (Fort Worth, TX)
    …your future\! This role is for a full time on\-site System Administrator for the Joint Strike Fighter \(JSF\) Program Autonomic Logistics Information System ... selected candidate will work a 3rd shift \(overnight\) position\. The system Administrator is responsible for providing the overall on\-site ALIS maintenance and… more
    Lockheed Martin (12/17/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (12/20/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description We are seeking a highly skilled Senior Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have a strong ... and troubleshooting procedures that are repeatable. - Maintain and enhance existing systems administrator tools, and develop new tools, using available… more
    Insight Global (12/04/25)
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  • Windows/VMware Systems Administrator

    GovCIO (San Antonio, TX)
    …is contingent upon contract award. GovCIO is currently hiring for a Windows/VMware Systems Administrator for our US Courts proposal. This position will be ... $113,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/2380/windows-vmware- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-TX-San Antonio_ **ID** _2023-2380_… more
    GovCIO (12/23/25)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    …Windows environment. Maintains smooth operation of multi-user computer systems , including coordination with network administrators. **_System Administrator ... Administrator Desired Skills:_** + Experience troubleshooting and/or configuring Linux servers to include scripting. + Familiarity with Risk Management Framework… more
    Gromelski & Associates, Inc. (11/21/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …relevant experience, or An Advanced Degree in a related field and minimum 3 years' experience + Experience with Linux /Unix commands, operations, and ... technologies, tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools… more
    RTX Corporation (11/24/25)
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  • SIGINT Systems Administrator (Low…

    CACI International (Hampton, VA)
    SIGINT Systems Administrator (Low Band Journeyman) Job Category:...≥ 3 yrs of AF DCGS experience. + ≥ 3 yrs of AF SIGINT. + Linux /UNIX Experience ... of Travel Required: Type of Travel: * * * CACI is seeking a SIGINT Systems Administrator to join the CACI team at Langley AFB, VA. You will be responsible for… more
    CACI International (12/15/25)
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  • Systems Administrator III

    University of Southern California (Los Angeles, CA)
    …USC Dana and David Dornsife College of Letters, Arts and Sciences is seeking a Systems Administrator III in Dornsife Technology Services . The largest and oldest ... and natural sciences. Responsibilities include: + Recommends changes to improve systems and network configurations, and determines hardware or software requirements… more
    University of Southern California (11/19/25)
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