• Systems Administrator / Information Systems…

    Guidehouse (Arlington, VA)
    …Active Secret **What You Will Do** **:** We are seeking a Systems Administrator / Information Systems Engineer in support of the Marine Corps. Responsibilities ... incorporate and maintain them on the Marine Corps Enterprise Network (MCEN). In this position, you will be required...administration or information systems engineering experience. + IAT Level II certification. **What Would Be Nice To Have** **:**… more
    Guidehouse (01/08/26)
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  • Sr Principal Linux Systems Administrator

    Northrop Grumman (Boulder, CO)
    …By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry ... 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 (01/07/26)
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  • Junior System Administrator

    Tyto Athene (Wright Patterson AFB, OH)
    …Tyto Athene is searching for a detail-oriented and proactive mid level **System Administrator ** to join our team. The ideal candidate will have 3-5 years of ... **Responsibilities:** + Install, configure, and maintain hardware, software, and network systems. + Monitor system performance, troubleshoot issues, and apply… more
    Tyto Athene (01/03/26)
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  • System Administrator - Active Secret…

    ENS Solutions (San Diego, CA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... skills. + Must hold a DoD 8570 IAT Level II certification (eg, Security+ CE). + Familiarity with tools...Viewer, eMASS, and HBSS is a plus. Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran… more
    ENS Solutions (12/27/25)
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  • Secret Server Administrator - Active TS/SCI…

    ENS Solutions (Colorado Springs, CO)
    The Secret Server Administrator will perform a variety of functions supporting multiple Secret Server Deployments. Responsibilities include: tools deployment and ... Must meet the DoD 8570 compliance with Information Assurance Technical (IAT) Level II certification. + Bachelor's degree in a technical discipline from an accredited… more
    ENS Solutions (12/27/25)
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  • System Administrator

    System One (Quantico, VA)
    System Administrator Quantico, VA - ONSITE Compensation: $125,000 annually Security Clearance: Active TS/SCI is required Major Duties & Responsibilities: * Plan, ... including physical and virtual servers, storage area networks and network attached storage on five enclaves. * Install, maintain,...field desired. * Must be certified at IAT Level II (eg, Security+, or other certification satisfying DoD 8570… more
    System One (12/26/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... JWICS, and Special Access Systems. * Support replication of network file share volumes via Distributed File System with...degree in an IT-related field Certifications: DoD8570.01M IAT Level II , VCP, and either the MCSE Core Infrastructure or… more
    System One (12/26/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and… more
    ManTech (12/13/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. + Implement IAVA security patches… more
    Synergy ECP (11/30/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... and using IT systems + Provide Tier I (Help Desk) and Tier II (Escalation) problem identification, diagnosis and resolution of problems + Provide support to… more
    CACI International (11/20/25)
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