• Linux Administrator, Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with a chance ... If so, look no further. Amentum is seeking a ** Linux Administrator, Senior ** to join our team...remains involved in the resolution process. Configures and manages Linux operating systems and installs/loads operating system… more
    Amentum (11/21/25)
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  • Senior Linux System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... + Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware, VSphere and Vsphere architecture, VCenter… more
    Belay Technologies (01/04/26)
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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, ... capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load,...Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software for improved… more
    ManTech (12/24/25)
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  • Principal/ Sr Principal HPC Systems

    Northrop Grumman (Jessup, MD)
    …+ Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + Strong ... for the position of High-Performance Computing (HPC) **Principal or Sr . Principal HPC Systems Engineer** to support...Experience directing technical work of a small team of Linux Systems Administrators + Strong written and… more
    Northrop Grumman (12/05/25)
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  • Senior Systems Engineer with Poly

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Engineer with an active TS/SCI Poly to join and assist and meet mission needs for our government customers. This ... optimized performance and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for systems including… more
    BigBear.ai (12/30/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …direction, and mentor and supervise team members. You'll support Windows and Linux systems engineering efforts in system design and evaluation, solution ... Systems Engineer, Senior The Opportunity: Are...+ 5+ years of experience designing, implementing, and maintaining Linux environments + 2+ years of experience building and… more
    BOOZ, ALLEN & HAMILTON, INC. (01/06/26)
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  • Senior Systems Administrator…

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our ... optimized performance and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for systems including… more
    BigBear.ai (12/30/25)
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  • Principal / Sr . Principal HPC Network…

    Northrop Grumman (Jessup, MD)
    …high-performance network hardware + Experience directing technical work of a small team of Linux Systems Administrators + Candidate must be a US Citizen + Active ... be filled at either a Principal Level or a Sr . Principal Level. **Basic Qualifications: Principal Network Engineer** +...Experience directing technical work of a small team of Linux Systems Administrators + Demonstrated strong written… more
    Northrop Grumman (12/05/25)
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  • Principal/ Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator** to join the Ground Segment team of ... hours and weekends as needed. Basic Qualifications for a Senior Principal System Admin: + Bachelor's degree with 8...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/12/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting ... Senior Systems Administrator Job Category: Information...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and… more
    CACI International (01/07/26)
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