• Linux System Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a ... include but are not limited to:** + Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and… more
    ManTech (07/23/25)
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  • Senior Systems Administrator - Windows/…

    Mount Sinai Health System (New York, NY)
    …practices. + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems, storage systems, network and VMs. + The ... data warehouse team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the Scientific Computing and Data group, is… more
    Mount Sinai Health System (09/22/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis, MO, US Job ID: ATR 17232 Job Description We are looking for a talented TS/SCI cleared Red Hat Data Center / ... Systems Administrator in St. Louis, MO to join a team...are responsible for maintaining, securing, and enhancing aR&D testbed network /environment across multiple security domains. Our team is made… more
    Arena Technical Resources, LLC (10/06/25)
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  • System Administrator ( Linux )

    Themis Insight (Laurel, MD)
    …and Private, Civilian and Military expertise to every case. We are hiring a System Administrator ( Linux ) to work in Laurel, MD. Position location is subject to ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and… more
    Themis Insight (10/14/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …us for challenging missions that will inspire innovation\! Lockheed Martin Space seeks a Linux Systems Administrator for its Sunnyvale, CA location to join our ... systems to fault\-isolate issues and collaborate with software and network team to develop solutions * Responsible for all...CompTIA Security\+ or \(ISC\)2 CISSP * Current experience with Linux \(any distribution, Red Hat preferred\) * Must have… more
    Lockheed Martin (10/08/25)
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  • Principal System Administrator Linux

    RTX Corporation (Andover, MA)
    …meaningful problems that create a safer, more secure world. **Principal System Administrator ** in Program Digital Services, collaborate with a diverse team to ... Subject Matter Expert (SME) with deep knowledge of at least one OS (Windows, Linux , etc.) to extensively design, implement, troubleshoot, and maintain both Linux more
    RTX Corporation (09/11/25)
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  • Unix/ Linux System Administrator

    City of New York (New York, NY)
    …Infrastructure is recruiting for one (1) Computer Specialist (SW) IV, to function as a UNIX/ LINUX System Administrator , who will: - Work on daily UNIX/ Linux ... Setup system policies for server hardware and software configuration on UNIX/ Linux servers and AWS instances. - Troubleshoot hardware failures, operating system… more
    City of New York (09/10/25)
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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** + Manage ... and vCenter. + Troubleshoot and resolve complex technical issues related to Linux servers, network infrastructure, and virtualization environments. + Document… more
    Mission Support and Test Services (07/23/25)
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  • Linux Systems Administrator

    Robert Half Technology (La Vergne, TN)
    Description We are currently seeking a highly-skilled Linux Systems Administrator with expertise in configuring and managing Ubuntu Servers. Ideal candidates ... efficiency. Requirements Qualifications + Minimum 3 years' experience as a Systems Administrator working with Linux servers. + Experience in setting up,… more
    Robert Half Technology (09/19/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... of IT systems. + Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile devices. + Perform Tier 1 (Help Desk) and… more
    ManTech (10/14/25)
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