• 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 at least 6 years of experience with Linux server administration (RHEL and/or CentOS) in...Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware,… more
    Belay Technologies (01/04/26)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …for a degree. + 20+ years of related experience in systems administration or IT operations. + Experience with Linux , including installation, configuration, ... ManTech seeks a ** Senior Linux System Administrator** to join...capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load,… more
    ManTech (12/24/25)
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  • Principal/ Sr Principal HPC Systems

    Northrop Grumman (Jessup, MD)
    …lifecycle + Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + ... for the position of High-Performance Computing (HPC) **Principal or Sr . Principal HPC Systems Engineer** to support...experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL… 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 ... and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile...Proficient with Linux . Minimum of 2 years Linux system administration experience. + Experience with… 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...engineering, sof tware development, or system administration . You'll use your passion to learn new skills… 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 ... and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile...Proficient with Linux . Minimum of 3 years Linux system administration experience (within the last… more
    BigBear.ai (12/30/25)
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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...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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  • Principal/ Sr . Principal HPC System…

    Northrop Grumman (Jessup, MD)
    …with PhD. Will consider 4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience with ... be a part of our mission! Northrop Grumman Mission Systems (NGMS) is seeking a **Principal or Sr...4 years additional experience in lieu of degree. + Linux systems administration proficiency +… more
    Northrop Grumman (12/05/25)
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  • HPC Sr . Scientific Software Engineer…

    Johns Hopkins University (Baltimore, MD)
    …large-scale systems , or research software engineering. + Deep proficiency in Linux systems administration , performance tuning, and automation tools ... IT@JH Research Computing is seeking a **_HPC Sr . Scientific Software Engineer_** who will design, build, and support Johns Hopkins University's high-performance… more
    Johns Hopkins University (11/21/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …scans, create vulnerability and compliance scans, upgrade audits and plugins files. + Linux - Moderate systems administration knowledge to include installing ... 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 (12/02/25)
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