• 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 - 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 ... 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 (08/01/25)
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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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  • 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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  • 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 (06/03/25)
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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: ... compliance patching, software and hardware transitions, firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating… more
    FGS, LLC (08/23/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated and career-oriented **Linux** **Systems Administrator ** to join our team in **Laurel, MD** . You will be part of a dedicated team ... system software, troubleshoot system issues, maintain system integrity, configure network components, and implement OS enhancements to improve reliability and… more
    ManTech (08/22/25)
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  • IT Systems Administrator Emergency…

    Lockheed Martin (Hanover, MD)
    …* 2\+ years experience within the defense industry as a Systems Administrator * Bachelors or Masters degree from accredited college \(equivalent experience/combined ... Polygraph adjudicated within the last 7 years * IAT II certification \(CCNA\-Security or CySA\+ or GICSP or GSEC...new customized monitoring tools above and beyond ITOPS and Network Node Manager \(NNM\) **Clearance Level:** TS/SCI w/Poly SP… more
    Lockheed Martin (08/22/25)
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  • GRC Practice Architect II

    TEKsystems (Linthicum, MD)
    …through our TGS Talent Acquisition Team requires: The Risk and Compliance Practice Architect II (PA II ) position is a leadership position in the organization ... and delivery projects and account teams/programs. The Risk and Compliance PA II provides consulting and delivery assurance of services for clients through a… more
    TEKsystems (08/20/25)
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  • Network and Systems Technician

    CACI International (Forest Heights, MD)
    …handled in a timely manner. + Handle incoming technical escalations from Service Desk, Network Operations Security Center, Tier II , and other support teams. + ... + At least one of the following certifications: Relevant Microsoft Windows administrator certification, Cisco Certified Network Associate (CCNA), COMPTIA A+, … more
    CACI International (08/08/25)
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