• Senior Systems Administrator (Unix/…

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/ Linux ) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator ... environment. The ideal candidate will bring deep expertise in Unix/ Linux administration , network security, and performance optimization, ensuring… more
    EPS Corporation (11/13/25)
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  • Senior Systems Administrator…

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist** to join our team in **Boulder, ... Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture...from scratch and designing complex Active Directory environments. + Senior -level experience with Linux system administration more
    ManTech (11/05/25)
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  • Senior IT Systems Administrator 1

    Neya Systems (Warrendale, PA)
    …years of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated ... autonomous vehicle technology. **How You'll Make an Impact** + ** Linux Administration :** Design, provision, configure, and maintain...at least five (5) years of experience in a senior Linux Systems Administrator role… more
    Neya Systems (10/23/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission ... Linux Engineer Location: Chantilly, VA, US Job ID:...is mission focused and rewarding. Job Duties: - Daily administration of multipleRHEL servers, attachedstorage, and the networks they… more
    Arena Technical Resources, LLC (10/25/25)
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  • Senior Systems Administrator…

    Amentum (Waimea, HI)
    …(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration , and a strong working knowledge ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee...+ Apply and manage patches and updates across all Linux systems in accordance with DoD and… more
    Amentum (09/24/25)
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  • Linux /Windows Senior Systems

    Lockheed Martin (San Diego, CA)
    …Martin is looking for highly motivated, experienced individuals to perform network/system administration and support on a variety of complex platforms supporting BMD ... and other DoD related activities\. System Administration activities include \(but are not limited to\): *... \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment,… more
    Lockheed Martin (10/17/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) environment in ... security, networking and metrics, etc. The infrastructure includes both Windows and Linux systems with file servers in multiple physical locations, and… more
    Mount Sinai Health System (09/22/25)
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  • Senior Linux System Administrator…

    Mission Support and Test Services (North Las Vegas, NV)
    …is looking for a high-performing individual to join our team as a Linux Systems Administrator ( Senior Infrastructure Analyst). **Key Responsibilities** + ... Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help ensure the...Manage and maintain Red Hat Linux servers in a large-scale enterprise environment. + Implement,… more
    Mission Support and Test Services (11/13/25)
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  • Assistant System Administrator/System…

    Stony Brook University (Stony Brook, NY)
    …development and risk assessment initiatives. + Operational Leadership + Serve as a Senior administrator for Linux -based systems used across research and ... Two (2) years of full-time directly related programming or systems - administration experience. **Preferred Qualifications:** Beginner level of experience… more
    Stony Brook University (11/20/25)
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  • Senior Linux System Admin

    ServiceNow, Inc. (San Diego, CA)
    …green card, will be considered._** **The Team** As a key member of the Systems Administration team within Operations Engineering, you will be responsible for the ... and testing. + Use broad knowledge and experience of systems administration and networking principles to proactively...cloud computing or MSP setting is highly desirable. **Strong Linux expertise is a must.** + 4+ years of… more
    ServiceNow, Inc. (11/07/25)
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