• Windows System Administrator (Senior-Level)

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + Must be a US ... Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the installation, configuration,… more
    Link Solutions Inc (08/01/25)
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  • Mission Planning Administrator (Level 2)

    Lockheed Martin (St. Mary's County, MD)
    …Experience or experience of any combination in Mission Planning/Aircraft Avionics Technician/ Network Administration DoD IAT Level II certification \(Security\+, ... _Lockheed Martin_ The F\-35 Mission Planning Test & Evaluation Administrator 's primary role will be to support flight test...Aircraft Maintenance teams \- MPE and MVDL hardware and network deployment and administration \- MPE and MVDL software… more
    Lockheed Martin (07/18/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... of cybersecurity, software and systems engineering and IT services to the US intelligence and defense communities. The company leverages its expertise in data… more
    Synergy ECP (07/23/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** **Responsibilities ... maintenance, configuration, and reliable operation of critical computer systems, network servers, and virtualization environments, upholding system stability and… more
    ManTech (06/07/25)
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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 ... client list that includes numerous Fortune 100 companies, in addition to multiple US government agencies and US military services. Synergy ECP possesses… more
    Synergy ECP (06/03/25)
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  • Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program networks in a ... troubleshooting, system hardening, vulnerability assessment, OS patching and general network administration across various computing systems. Coordinating IT operations… more
    Nightwing (06/24/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated ... Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to… more
    ManTech (07/23/25)
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  • IT Systems Administrator Emergency…

    Lockheed Martin (Hanover, MD)
    …feeling when you've saved the day? That's this\. \#RMSC6ISR \#RMSCYTJ **Why Join Us :** Your Health, Your Wealth, Your Life Our flexible schedules, competitive pay ... years experience within the defense industry as a Systems Administrator * Bachelors or Masters degree from accredited college...rotating shift schedule \(nights and days\) **Desired Skills:** * US DoD Polygraph adjudicated within the last 7 years… more
    Lockheed Martin (07/31/25)
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  • Sr. System Administrator

    Leidos (Odenton, MD)
    …Communications System (JWICS). **PRIMARY RESPONSIBILITIES:** + Directly report to Tier II /III Program Management on all technical and personnel concerns + Utilize ... senior Linux sys admin experience to maintain and sustain JWICS YLAN Network supporting DISA customers. + Provide input on budget and resource assets. + Assisting in… more
    Leidos (07/22/25)
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  • Network and Systems Technician

    CACI International (Forest Heights, MD)
    …travel locally within the National Capital Region and long distance (within the continental United States ) up to 15%. + Work after hours/on-call rotation to ... handled in a timely manner. + Handle incoming technical escalations from Service Desk, Network Operations Security Center, Tier II , and other support teams. +… more
    CACI International (08/08/25)
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