• 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 & ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
    Leidos (10/09/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …how our customers operate while you advance your career. Join GDIT as a **Senior Linux Systems Administrator ** and build an impactful career in enterprise ... you. MEANINGFUL WORK AND PERSONAL IMPACT As a **Senior Linux Systems Administrator ** , the...disciplines. + Desired Skills: + Red Hat Certified System Administrator (RHCSA) or higher + ITIL 4 more
    General Dynamics Information Technology (12/18/25)
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  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an...filled at either level 3 (Principal level), or level 4 (Sr. Principal level), depending on the skills, education,… more
    Northrop Grumman (11/15/25)
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  • Linux Systems Administrator

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Opportunity:** We are seeking a cleared, skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join… more
    CACI International (12/18/25)
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  • Senior Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …following certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional Institute Certification ... Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 is seeking an...Linux Administrator ; or CompTIA Linux +; or Oracle Certified Professional Oracle Linux more
    S4 Inc. (10/08/25)
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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, ... pipelines across both Windows and Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture and support the migration of… more
    ManTech (11/05/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must have experience installing, ... in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual...updating, and upgrading Linux Operating Systems (OS). + Must have… more
    Belay Technologies (11/07/25)
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  • Sr. Linux /Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to identify ... the boundaries of technology to help our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work in an agile… more
    Lockheed Martin (11/14/25)
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  • Linux Systems Administrator

    iPostal1 (Montebello, NY)
    …are an established, cutting edge leader in the digital mailbox industry. Full Time Linux Systems Administrator Montebello, New York iPostal1 and our parent ... accredited with an A+ rating. We are seeking a Linux Systems Administrator with strong...to ensure smooth deployments and issue resolution. Qualifications: + 4 + years of Linux systems more
    iPostal1 (12/22/25)
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  • Linux Systems Administrator

    Northrop Grumman (Rolling Meadows, IL)
    …of history - they are making history. Northrop Grumman Enterprise Services is seeking a ** Linux Systems Administrator .** This role can be performed by a ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/19/25)
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