• Information System Security Engineer…

    Amentum (Warrenton, VA)
    systems at multiple classifications levels. **Requirements:** * Must have active Top - Secret clearance with SCI or TS with the ability to acquire ... using intimate knowledge of security design best practices for information systems . throughout the system ...environment. **Clearance Required:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/05/25)
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  • Senior Network Administrator

    SOS International LLC (Pearl Harbor, HI)
    Pearl Harbor, HI, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret / SCI **Company Description** Founded in 1989, SOSi is among the largest ... SOSi is on the hunt for a **Senior Network Administrator ** to join our elite team at **Joint Base...projects, as required. **Qualifications** Minimum Requirements + Active in-scope TOP SECRET clearance with SCI more
    SOS International LLC (11/21/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    … will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large...government contracts we support, US Citizenship is required. + TS / SCI with Polygraph required for Position OR… more
    Leidos (12/08/25)
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  • Data Center System Administrator

    Leidos (Charlottesville, VA)
    …this sounds like an environment where you can thrive, keep reading!_** The Data Center System Administrator will support data center operations. The System ... is a power failure, and provide general data center system administrator support. They will support hybrid...we support, US Citizenship is required. + An active TS / SCI with ospcific poly required for Position… more
    Leidos (12/18/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... Join Our Team as a Linux System Administrator !** Are you passionate about Linux systems ...solutions. **Qualifications:** _Required:_ + **Security Clearance:** An active NSA TS / SCI with Polygraph. + **Proven Experience:** 3… more
    CACI International (10/18/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Macdill AFB, FL)
    Systems Administrator Location: MacDill AFB, FL, US Job ID: ATR 17789 Job Description Job Title: Systems Administrator Location: Macdill AFB, FL ... Eligibility: Candidate must possess an active TS / SCI clearance and the ability to obtain...for the upkeep, configuration and reliable operation of computer systems , As a Systems Administrator ,… more
    Arena Technical Resources, LLC (12/24/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... system infrastructure and any processes related to these systems . The Senior Systems Administrator ... enhancements to improve reliability and performance **Requirements:** + TS / SCI with polygraph clearance + CWIP IAT… more
    CACI International (12/02/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an...DoD 8570 Level II equivalent within 90 days of hire* TS / SCI Clearance required and eligibility to obtain a ... or any other characteristic protected by law. Description WCBinc is looking for a Systems Administrator to join our team to support our intelligence customer… more
    William C Brown Inc (10/14/25)
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  • CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …& Skills** **Preferred Qualifications:** + Bachelor's Degree or Master's degree in System Engineering, Computer Science, Information Systems , Engineering ... a difference. We're seeking a highly skilled and motivated System Administrator to join our team, responsible...short duration travel, if needed. + **Must possess a TS / SCI clearance with appropriate polygraph** MDOPS **Preferred… more
    BAE Systems (12/29/25)
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  • Cybersecurity System Administrator

    M. C. Dean (District Of Columbia, DC)
    …and incident logs. **Cybersecurity Operations** + Serve as the ** Information System Security Manager (ISSM)** for all assigned systems . + Monitor networks ... on traditional Information Technology (IT) and Operational Technology (OT) systems . . Conduct vulnerability scanning and document system vulnerabilities. .… more
    M. C. Dean (11/26/25)
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