• Senior Linux System

    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, ... perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software… more
    ManTech (12/24/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator ** to join our team located in the Fort Meade, MD ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (01/15/26)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a **Principal Linux System Administrator in Aurora, CO.** Responsibilities include building, ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we… more
    RTX Corporation (12/29/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support ... Senior Systems Administrator ( Linux ) Location HI...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening ... for a Linux System Administrator , who shall... monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS /SCI with FSP US Veterans Preferred **ABSOLUTELY NO THRID… more
    The Metamorphosis Group (12/10/25)
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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... environments. + Candidates must have a current DoD ** Top Secret /SCI** level security clearance to include… more
    Northrop Grumman (11/15/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    …required + Linux + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is required with T5 ... Amentum is seeking a highly experienced Senior Linux System Administrator to...(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system more
    Amentum (12/24/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux /Unix ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...Secret clearance with ability to obtain and maintain Top Secret clearance + Networking protocols +… more
    SMX (12/04/25)
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  • Systems Administrator ( Linux

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an active secret...start date. **Qualifications We Prefer:** + An active DoD Top Secret clearance + Scanning using tools… more
    RTX Corporation (12/02/25)
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  • Linux /Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux /Windows Systems Administrator II ( TS /SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... CWIP: IAT Level II Certification, IA Baseline Certification in Linux , Unix, Windows, or Cisco OS operating system...Service, TIBCO, Active MQ, Artemis, Kafka) Description: + The System Administrator is responsible for the provisioning,… more
    COMSO, Inc (11/27/25)
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