• Network Administrator 3

    M. C. Dean (Fort Meade, MD)
    …**Position Summary:** MC Dean is seeking a highly competent TS/SCI with Polygraph cleared ** Network Administrator 3** to assist on the design and maintenance of ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient,...its network of specialized hardware, the selectee will be expected… more
    M. C. Dean (12/23/25)
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  • Systems Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented Windows System Administrator to join our team in Laurel, MD. **Responsibilities include, but are not ... network devices. + Provide support for the patching systems and hardware problems and remains involved in the...a degree. + 12+ years' of experience as a Systems Administrator in programs and contracts of… more
    ManTech (01/06/26)
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  • Cyber Systems Administrator (Active…

    Northrop Grumman (Elkridge, MD)
    …and Windows operating systems upon start date, installs/loads operating system software, patches, and configures network components along with implementing ... for you to join our team as a **Cyber Systems Administrator ** based out of **Elkridge, MD**...Tier 1 and Tier 2 technical support (Domain Administration, System Administration, and Network Administration). + Monitor… more
    Northrop Grumman (01/01/26)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... to:** + Ability to analyze user's requirements and high-level system architectures to develop system requirements +...network devices. + Provide support for the patching systems and hardware problems and remains involved in the… more
    ManTech (11/26/25)
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  • Networking Administrator

    Link Solutions Inc (Adelphi, MD)
    …Networking Administrator position will require an understanding of enterprise network architecture, Layer 2/3 switching, routing protocols, and network ... comply with DoD regulations. + Install, maintain, and troubleshoot network -related software and hardware systems , including Layer...years of relevant experience working in an IT enterprise network engineering field.. + IAT Level II more
    Link Solutions Inc (01/06/26)
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  • Microsoft SQL Database Administrator

    Leidos (Suitland, MD)
    …precision. + Implement and maintain security policies, conduct vulnerability analyses, and develop system documentation. + Partner with network , system , and ... **Description** **Join Us as a Microsoft SQL Database Administrator ** Leidos is looking for a talented Microsoft...+ Design, manage, and optimize advanced Microsoft SQL database systems . + Assist in diagnosis and resolution of complex… more
    Leidos (01/01/26)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …transitions, firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating systems running on SPARC/x86 ... + Operation and maintenance (O&M) support of all CDS systems + Installation, configuration and system hardening...project initiatives Required Qualifications + Significantexperience with Cross Domain systems + DoD 8570 IAT Level II more
    FGS, LLC (11/22/25)
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  • Network Security Engineer

    CACI International (Columbia, MD)
    …information systems + Develop, analyze, and provide feedback on wired and wireless network systems + Plan large and small-scale systems system ... vendor comparison, cost studies, and security + Plan and evaluate complex existing network systems and make recommendations for resources required to maintain… more
    CACI International (12/12/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    …Certified Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) + Experience with SAN or network storage setup and ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the… more
    Vexterra Group (10/14/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    …VA or Bethesda, MD office: You will work closely with other infrastructure and network engineers, system engineers and O&M team members on the following key ... Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following ...to include physical and virtualized environments * Set up administrator and service accounts, maintain system documentation,… more
    Vexterra Group (10/14/25)
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