• System Administrator

    Leidos (Springfield, VA)
    **Description** Leidos is seeking a highly skilled and detail-oriented Senior Systems Administrator to lead the deployment, configuration, administration, and ... maintenance of complex enterprise systems and associated hardware. This role is critical to...policies and applicable regulatory requirements. **Basic Qualifications** + Active TS /SCI clearance with polygraph required. + Bachelor's degree with… more
    Leidos (11/07/25)
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  • Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Windows** ** Systems Administrator ** to join our team in **College Park, Maryland** . The position ... is part of a team that provides Windows Systems Administration support for an organization that is tasked...science or a related area **Security Clearance Requirements:** + TS /SCI w/ FSP **Physical Requirements:** + Must be able… more
    ManTech (10/14/25)
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  • Fidelis Administrator - Active TS

    ENS Solutions (Norfolk, VA)
    …Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active ... innovative solutions to enable secure and reliable operations of enterprise computer systems . Develop new concepts and processes and analyze root causes and resolve… more
    ENS Solutions (09/27/25)
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  • Computer System Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …(adjudicated within the last 5 years); additionally, the selected candidate must be Top Secret eligible, and the required security clearance must be maintained ... will include but not be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate… more
    Northrop Grumman (08/13/25)
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  • Cloud Administrator

    Leidos (Ashburn, VA)
    …as VPCs, subnets, VPNs, DNS, load balancers, and security groups. **Clearance:** + Top Secret clearance with SCI eligibility **Preferred Qualifications:** + AWS ... as provisioning, monitoring, troubleshooting, and optimizing cloud resources and systems . The Cloud Administrator must have a...optimizing cloud resources and systems . The Cloud Administrator must have a deep understanding and knowledge of… more
    Leidos (11/05/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for… more
    M. C. Dean (10/23/25)
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  • SharePoint Administrator

    Trace Systems Inc (Portsmouth, VA)
    …and optimize efficiency of the system. Minimum Qualifications + Active, in-scope US Government issued Top Secret clearance. + Due to the nature of the work and ... Job Title: SharePoint Administrator Location: Portsmouth, VA Job Responsibilities Trace Systems is seeking a SharePoint Administrator to support the Norfolk… more
    Trace Systems Inc (09/16/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Palm Bay, FL)
    …and cyber domains in the interest of national security. Job Title: ​Senior Specialist, Systems Administrator Job Code: 30442 Job Location: Palm Bay, FL Job ... Job Description: We are seeking a skilled and experienced Senior Specialist System Administrator to join our Melbourne, FL team. The ideal candidate will possess… more
    L3Harris (10/29/25)
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  • IT Systems Adminstrator II

    BAE Systems (Manchester, NH)
    …BAE Systems is seeking a proactive and detail-oriented Closed Area Systems Administrator to join our Information Technology team supporting classified ... with change/configuration management practices **Preferred Education, Experience, & Skills** + Top Secret Clearance + CompTIA Security CE Certification +… more
    BAE Systems (09/26/25)
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  • Electronic Surveillance System Analyst (Active…

    NANA Regional Corporation (Fredericksburg, VA)
    …management policies and procedures. + Maintains standard operating procedures. **Qualifications** + Active Top Secret ( TS ) Clearance. + Bachelor's degree or ... experience and be able to obtain and maintain a Top - Secret clearance. Must have a combination of...or by another area, such as the security administration, systems administrator , etc., based on Synteras organizational… more
    NANA Regional Corporation (10/08/25)
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