• Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …ID:** RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... group of computers running on one or more operating systems . + Understand all the different systems ...days over 2 week period) * Security Clearance Level: TS / SCI with Polygraph * Required Skills and… more
    General Dynamics Information Technology (12/02/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression ... scripting Security Clearance: Must have the ability to obtain TS / SCI Clearance to be considered for this...team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide… more
    Lockheed Martin (12/18/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …some unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both ... only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (11/19/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …and on-premise contexts **Minimum Qualifications:** + 10+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... and complexity + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering Science, Engineering Management or related… more
    ManTech (12/24/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …NetApp + Experience with Splunk **Clearance Requirements:** + Must have a current/active Top Secret / SCI with Polygraph **Physical Requirements:** + The ... from an accredited college or university with 12 years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and… more
    ManTech (12/04/25)
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  • Linux System Administrator -Senior Level

    Nightwing (Sterling, VA)
    …have a broad range of experience supporting mission critical networks and computer systems . CLEARANCE REQUIREMENT: TS / SCI with POLY Responsibilities + Assist ... defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA location. The… more
    Nightwing (12/20/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …and vulnerabilities. **Required Skills:** - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Must be able ... seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of… more
    Nightwing (11/26/25)
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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 ... and reliability across client, server, storage, network, and mobile systems . You will provide Tier 1 through Tier 3...SA experience if a degree is not held.* Active TS / SCI clearance with polygraph is required. Salary… more
    Kaizen Approach, Inc (11/11/25)
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  • Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …maintain system solutions **Minimum Qualifications:** + 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs of similar scope ... and complexity. + Bachelor's degree in Systems Engineering, Computer Science, Information Systems...IAVA remediation. **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + The… more
    ManTech (12/24/25)
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  • Systems Administrator (Data…

    TRIAEM, LLC (Springfield, VA)
    …storytelling. Location: + Springfield, VA (Nice new office) might have an option for Chantilly location Clearance: + Must have an active TS / SCI eligibility ... Systems Administration/Data Visualization Developer (Tableau / Release Train...to oversee and optimize the daily operations of business systems -centered around Tableau-to deliver clear, actionable insights that drive… more
    TRIAEM, LLC (11/14/25)
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