• Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …for complex project initiatives Required Qualifications + Significantexperience with Cross Domain systems + DoD 8570 IAT Level II compliant certification + ... Cross Domain Solutions Administrator (ONI)Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance: … more
    FGS, LLC (08/23/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …to join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide ... System Administrator Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (08/01/25)
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  • Network Administrator 3

    M. C. Dean (Fort Meade, MD)
    …and cybersecurity industries. **Position Summary:** MC Dean is seeking a highly competent TS /SCI with Polygraph cleared **Network Administrator 3** to assist on ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (09/23/25)
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  • Oracle Database Administrator

    Leidos (Suitland, MD)
    …Security Sector of Leidos is seeking an experienced **Oracle Database Administrator ** to support our customers' mission and other interagency operations. This ... onsite role in **Suitland, MD** requires an **active DoD TS /SCI** clearance and offers the chance to work on...offers the chance to work on high-impact national security systems . **Key Responsibilities:** + Administer and optimize Oracle 11GR2… more
    Leidos (09/20/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …and on-premise contexts **Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise… more
    ManTech (09/10/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS /SCI w/Poly For over ... Principal System Administrator Location Annapolis Junction, MD Job Code 2270...Mainframe Software: * Jes 3, TSO, IBM's Information Management Systems /Infoman, DOS Power, VTAM, IBM Netview, SAS PC Server… more
    DCCA (08/18/25)
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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 ... consistent maintenance, configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system stability… more
    ManTech (09/05/25)
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  • Network Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated, career- and customer-oriented **Network Administrator ** with a focus on Cisco Networks to join our team in **Laurel, MD** . You will be ... and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type,...Strong technical background in Cisco FirePower Firewalls + IAT II certification (DoD 8140 required within 60 days of… more
    ManTech (09/19/25)
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  • Network Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented **Network Administrator ** with a focus on Cisco Networks to join our team in **Laurel, MD** . You will be ... university with 12+ years of experience as a Network Administrator . 3 additional years of Network Administration experience with...Strong technical background in Cisco FirePower Firewalls + IAT II certification (DoD 8140 required within 60 days of… more
    ManTech (07/23/25)
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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 ... ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the US intelligence and defense communities. The company leverages… more
    Synergy ECP (07/23/25)
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