• 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 dedicated ... 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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  • Systems Engineer ( Linux or Cloud)

    BAE Systems (Sterling, VA)
    …We have both Mid and Senior Systems Engineering positions open. Either looking for very strong Linux or Cloud (Mostly AWS) If you have both, that is a big plus Flex ... government customer. This program will deliver engineering services for network infrastructure as well as sophisticated enterprise computing infrastructure including… more
    BAE Systems (09/10/25)
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  • Linux System Administrator (Onsite)

    RTX Corporation (St. Petersburg, FL)
    …**What YOU will do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Collaborate with Cyber to maintain and monitor ... across physical and virtualized environments (VMWare) + Work closely with security, network , and development teams to support mission objectives. + Support audit… more
    RTX Corporation (10/16/25)
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  • Scitls Unix/ Linux OS Administrator

    General Dynamics Information Technology (Offutt AFB, NE)
    …Seize your opportunity to make a personal impact as a **SCITLS UNIX/ Linux OS Administrator** supporting USSTRATCOM. GDIT is your place to make meaningful ... At GDIT, people are our differentiator. As a **SCITLS UNIX/ Linux OS Administrator** supporting USSTRATCOM in Offutt AFB, you...and its allies by providing 24/7 IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environments… more
    General Dynamics Information Technology (10/04/25)
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  • Linux System Administrator

    Leidos (Huntsville, AL)
    …information system environments?** Leidos Defense Systems Sector is looking for a skilled ** Linux System Administrator** to join our team. In this role, you'll be in ... your resume with us today!** **Primary Responsibilities** + Work primarily on Linux based systems to design, build, integrate, harden, deploy, and maintain bare… more
    Leidos (09/24/25)
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  • Lead, Info Sec Sys Engineer ( Linux )

    L3Harris (Melbourne, FL)
    …infrastructure and system administration, specifically focused on Red Hat Enterprise Linux (RHEL). Join our team of Information Security Systems Engineers (ISSEs) ... to support Managed Network Infrastructures and Services for federal government customers. The...Functions: Specific responsibilities will include: + Advanced Red Hat Linux troubleshooting and support + System management with Red… more
    L3Harris (09/18/25)
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  • Principal System Administrator Linux

    RTX Corporation (Andover, MA)
    …Subject Matter Expert (SME) with deep knowledge of at least one OS (Windows, Linux , etc.) to extensively design, implement, troubleshoot, and maintain both Linux ... Servers, Desktops, and the Virtual Environment of a large-scale enterprise network operating 24x7x365. + Collaborate effectively with diverse teams, including… more
    RTX Corporation (09/11/25)
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  • Unix/ Linux System Administrator

    City of New York (New York, NY)
    …is recruiting for one (1) Computer Specialist (SW) IV, to function as a UNIX/ LINUX System Administrator, who will: - Work on daily UNIX/ Linux Infrastructure ... 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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  • Linux System Engineer

    Huntington Ingalls Industries (Dayton, OH)
    …cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely ... serve as a technical lead to manage, administer, support, and enhance Linux cloud and on premises compute environments, ensuring continuous improvement and rapid… more
    Huntington Ingalls Industries (08/18/25)
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  • Senior Infrastructure Linux & DevOps…

    Matrix Precise, Inc. (Pleasanton, CA)
    The Sr. Infra Linux Engineer's primary function will be to advance the infrastructure team from a traditional infrastructure methodology to an infrastructure as code ... Essential Responsibilities: + Build out additional automation which includes the Windows/ Linux OS platforms, Storage platforms and DB platforms. + Roadmap,… more
    Matrix Precise, Inc. (10/17/25)
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