• Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced ... individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk… more
    M. C. Dean (11/26/25)
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  • Linux Elastic Systems Administrator

    KIHOMAC (Colorado Springs, CO)
    …be a US citizen + Candidate must be in possession of a minimum DoD issued Secret Clearance and eligibility for TS /SCI + Candidates with active current TS /SCI ... or another relevant discipline preferred + Active DoD 8570.01-M IAT Level II certification with Continuing Education (CE) - (CCNA-Security, CySA+, GICSP, GSEC,… more
    KIHOMAC (12/11/25)
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  • 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: TS /SCI** **Required Education: High School or equivalent experience** **Salary… more
    FGS, LLC (11/22/25)
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  • Network Administrator 3 -Salt Lake City

    M. C. Dean (Bluffdale, UT)
    …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 (11/26/25)
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  • Network Operations Center (NOC)…

    Leidos (Arlington, VA)
    …within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the Compartmented ... will manage the commercial cloud migration and disestablishment of legacy systems , fully automate the continuous development & continuous integration environment,… more
    Leidos (10/03/25)
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  • System Administrator IV - HPC

    Leidos (Saratoga Springs, UT)
    …team to complete projects on time. **Basic Qualifications:** + Must possess a TS /SCI clearance with polygraph + IAT Level II Certification Required. Accepted ... Sector at Leidos currently has an immediate need for an experienced **System Administrator - IV HPC** for a new customer on a strategic High-Performance Computing… more
    Leidos (10/24/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …**WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requir** **eme** **nt** :Active ** Secret clearance** ( Top Secret /SAP preferred). **OTHER ... Strong patch, vulnerability, and performance managementexpertise. + DoD 8570: IAT Level II (Security+ CE minimum). + Active Secret clearance. **COMPETENCIES** +… more
    TekSynap (10/02/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …on-premise contexts **Minimum Qualifications:** + Ten (10) years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... ManTech seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in **Hanover, MD** . Our team delivers enterprise… more
    ManTech (12/10/25)
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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 (11/17/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (11/26/25)
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