• 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    …on every 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...relying on corporate baselines, to support software developers, phased system upgrades, compliance, and improvements aimed at ensuring continued… more
    ARSIEM (10/30/25)
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  • Networking System Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Networking System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **Networking System Administrator - ... respond to hardware and software incidents and work with senior system administrators, at times remotely from...systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must… more
    Leidos (11/05/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Jr./Mid-level System Administrator to join our intel team. The selected individual will be ... respond to hardware and software incidents and work with senior system administrators, at times remotely from...systems (ex. Network Switches, Routers, LANs, & cabling, Windows/ Linux operating systems , VMware, etc.). + Must… more
    Belay Technologies (11/07/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …10% Type of Travel: Local * * * **The Opportunity:** **CACI** is seeking a ** Senior Linux Systems Administrator ** to provide support for implementation, ... Senior Systems Administrator Job...manage primarily Linux /Unix (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    CACI International (10/30/25)
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  • Principal/ Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator ** to join the Ground Segment ... for a classified government contract. + Perform as a Linux \Redhat System Administrator for a...Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System more
    Northrop Grumman (09/18/25)
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  • HPC Systems Engineer (Advanced Research…

    Johns Hopkins University (Baltimore, MD)
    …servers, with direct experience managing HPC clusters. + Experience as a high-level Linux system administrator . + Experience managing mission critical ... motivated **_HPC Systems Engineer_** to join the systems team. This system (ROCKFISH), with over...performance parallel storage and methodologies. + Expert knowledge of Unix/ Linux systems administration, including all aspects of… more
    Johns Hopkins University (11/04/25)
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  • Principal/ Sr . Principal HPC System

    Northrop Grumman (Annapolis Junction, MD)
    …our mission! Northrop Grumman Mission Systems (NGMS) is seeking a **Principal or Sr . Principal HPC System Administrator ** . This position is located at ... req and can be filled as a Principal or Sr . Principal HPC System Administrator **...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge… more
    Northrop Grumman (11/07/25)
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  • Secret Sr Windows System

    Insight Global (Baltimore, MD)
    Job Description A Client of Insight Global is looking for a secret cleared Sr Windows System Administrator to join their team and help mentor more jr admins. ... This person will design, implement, and manage secure, high-availability systems . Responsibilities include deploying enterprise system images, maintaining VMware… more
    Insight Global (11/07/25)
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  • Sr . Principal Windows/VMware…

    Northrop Grumman (Baltimore, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. Please ... include but not be limited to the following: + Perform as a SWindows/VMware systems administrator . + Experience operating under and managing systems within… more
    Northrop Grumman (11/01/25)
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  • Sr . System Administrator

    Leidos (Odenton, MD)
    …Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). **PRIMARY ... group at Leidos has a career opening for a System Administrator on a DISA contract. This...and/or 12+ years of overall related experience with a Windows/ Linux server environment. Additional experience, education and training may… more
    Leidos (10/21/25)
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