• Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... : Bachelor's degree plus eleven (11) to fifteen (15) years of relevant systems administration experience or equivalent. + **Security Clearance** : Candidates… more
    Leidos (10/09/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join our team...in Dahlgren, VA. Essential Duties & Responsibilities include thedaily administration of Linux /Unix systems and… more
    SMX (12/04/25)
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  • Senior Systems Administrator…

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position ... Senior Systems Administrator ( Linux )...role requires deep technical expertise in Linux systems , leadership in secure system administration , and… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Red Hat/ Linux Information…

    EPS Corporation (Panama City Beach, FL)
    Senior Red Hat/ Linux Information Systems Security Engineer - (709) Share this job as a link in your status update to LinkedIn. Job Title Senior Red Hat/ ... experience in the following: Requirements .10 years of experience with Red Hat Linux preferred. Bachelor of Science in Information Systems , Computer Science, or… more
    EPS Corporation (10/15/25)
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  • Senior Systems Administrator (Unix/…

    TekSynap (Dahlgren, VA)
    …& Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** **Administrator (Unix/ Linux ).** The Senior Systems Administrator (Unix/ Linux ) ... for Unix/ Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of… more
    TekSynap (10/31/25)
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  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …(NetServ) to join our team in Dahlgren, VA. The Senior Linux Administrator(NetServ) is responsible for system administration and customer support of ... **Overview** SENIOR LINUX ADMINISTRATOR (RDTE) Bowhead seeks...High School Diploma required; Bachelros degree preferred + Ideal Linux Admin will have troubleshooting skills in… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, ... systems , and network engineering services to support Integrated Discovery...can be added to Agency standard solutions. + Network administration including installing, configuring, and maintaining net devices; configuring… more
    ARSIEM (10/30/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …possible. **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be ... Doing:_** + _Support the system administration for ARL high performance computers_ + _Support design...Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_… more
    Parsons Corporation (11/15/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking an senior ** Linux Systems Administrator** to join its dynamic team of ... experience + 6+ years of Red Hat or equivalent Linux operating system administration experience + Understanding... administrative tasks related to managing Red Hat Linux systems **Preferred Qualifications** : + Bachelor's… more
    Northrop Grumman (11/25/25)
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  • Linux / AWS Systems Administrator…

    Northrop Grumman (Morrisville, NC)
    …**Responsibilities will include but not be limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud environment for a ... Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of technical… more
    Northrop Grumman (11/15/25)
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  • 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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  • HPC Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator** to join its dynamic team of ... with configuring, administering, and maintaining Red Hat or other Linux systems + Experience operating under, and...be nice to have + 10 years of Server Administration to include Active Directory and Group Policy in… more
    Northrop Grumman (12/04/25)
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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 (11/29/25)
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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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  • 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 ... background in Linux system administration , Azure cloud environments, and...will be responsible for maintaining, optimizing, and securing our Linux -based systems and services, ensuring high availability… more
    Insight Global (12/04/25)
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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 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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  • GCCS-J System Administrator

    Venatore LLC (Tampa, FL)
    …to higher tiers when needed. + Support configuration activities and system updates under senior oversight. Linux / UNIX Systems Support + Perform routine ... Linux /UNIX infrastructure. Candidates must have prior GCCS-J experience and Linux /UNIX administration experience. ResponsibilitiesGCCS-J / COP Operations +… more
    Venatore LLC (11/26/25)
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