• Nissc III Pursuit

    SAIC (Washington, DC)
    …+ Security Administrator + Specialty and Logistics Engineering + Software Engineer + Systems Administrator + Systems Architect + Systems Engineer + ... among us, the nation needs to know. Immediately. **Qualifications** **Qualifications:** + Active Secret up through Top Secret /SCI clearance + Minimum… more
    SAIC (11/06/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... development, lab, and production systems . - Perform large scale configuration management and deployment...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    BCMC (10/16/25)
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  • Systems Administrator

    SAIC (Washington, DC)
    **Description** SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and ... an anticipated decision expected by fall 2025.** The System Administrator responsibilities include, but are not limited to: +...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows. + Install… more
    SAIC (09/06/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead ... Senior 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 (10/30/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …Linux System Administration support for the program. Along with meeting the System Administrator III LCAT requirements, the ideal candidate for this position ... 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… more
    DCCA (11/17/25)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting, and maintenance support for complex Information ... Technology (IT) systems within a secure government environment. In this role,...of twenty (20) years of experience as a System Administrator (SA) on programs and contracts of similar scope,… more
    Kaizen Approach, Inc (11/11/25)
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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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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... development, lab, and production systems . + Perform large-scale configuration management and deployment across...Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability.… more
    ARSIEM (11/12/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a ... Division (R300) is looking to fill a Senior Information Systems Security Officer position, with a focus on classified...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (11/11/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a ... Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (11/08/25)
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