• Systems Administrator II

    RTX Corporation (Annapolis Junction, MD)
    …more secure world. Raytheon currently has an opening for a temporary System Administrator to perform onsite in our Annapolis Junction, Maryland office. The selected ... unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both Linux and… more
    RTX Corporation (09/19/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    administrator , or Bachelor's degree and 3+ years of experience as a system administrator + Active DoD 8570 IAT Level II Certification, including Security+ CE, ... administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or configuring devices, applications, and security… more
    ENS Solutions (09/27/25)
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  • Cloud System Administrator - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …of related experience **US Citizenship Required:** Yes **Job Description:** Cloud System Administrator Own the opportunity as a Cloud System Administrator and ... them face any obstacle. At GDIT, people are our differentiator. As a Cloud System Administrator you will help ensure today is safe and tomorrow is smarter. Our work… more
    General Dynamics Information Technology (10/09/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced Senior ... UNIX Administrator to support operations at the Patuxent River Data...System Administrators by providing technical guidance on task execution, project involvement, and adoption of new technologies + Collaborate… more
    SMX (10/18/25)
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  • System Administrator (TS-SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …and redefine what's possible. **Job Description:** Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we continue ... applications, servers, desktops, software, and hardware. Optimize networks for mission/ project requirements. Implement faster and smarter processes for meaningful… more
    Parsons Corporation (09/04/25)
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  • Principal Linux Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical professionals in **Linthicum, ... not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels of… more
    Northrop Grumman (08/20/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance: ... technical SOPs + Engage with mission business owners and stakeholders to determine project design requirements + Assist team with IT solutions design and development… more
    FGS, LLC (08/23/25)
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  • Network Administrator 3

    M. C. Dean (Fort Meade, MD)
    …Summary:** MC Dean is seeking a highly competent TS/SCI with Polygraph cleared **Network Administrator 3** to assist on the design and maintenance of its network of ... support to include some of the following: Systems Requirements, project management and strategic planning, Operational Requirements, Enterprise Strategic Planning… more
    M. C. Dean (09/23/25)
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  • System Administrator - Active Secret…

    ENS Solutions (MD)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... documentation and audit readiness skills. + Must hold a DoD 8570 IAT Level II certification (eg, Security+ CE). + Familiarity with tools such as STIG Viewer, eMASS,… more
    ENS Solutions (08/01/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Annapolis, MD)
    …effective protection and integrity of data assets. + Participates in initial project analysis including feasibility studies, scope, timeline, task list, and duration ... + Sensitivity Level: IT-I Critical Sensitive **Certifications:** Category IAT Level II (Security+ or similar) Computing Environment: Relevant RHCSA or CompTIA Linux… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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