• Systems Administrator w/Poly

    BigBear.ai (Hanover, MD)
    …a System Administrator to support mission critical application and systems in support of multiple Identity, Credential and Access Management (ICAM) projects. ... The selected candidate will serve in a System Administrator role to keep the system operational, compliant and...(4 additional years of experience may substitute). + Clearance: TS / SCI w/Poly + DoD 8570 compliance with… more
    BigBear.ai (12/17/25)
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  • Systems Administrator 2 - 23828 (FS…

    Huntington Ingalls Industries (Fort Meade, MD)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $69,885.00 - $114,800.00 Security Clearance: TS / SCI with Poly Level of Experience: Mid This opportunity ... resides with Warfare Systems (WS), a business group within HII's Mission Technologies...Diploma or equivalent and 7 years relevant experience. + TS / SCI with Full Scope Poly Preferred Requirements… more
    Huntington Ingalls Industries (10/07/25)
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  • Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …will drive impactful solutions. Candidates should have the following qualifications: + TS / SCI clearance with polygraph is required + Bachelor's Degree in ... finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our Intel team. You will...play a key role in supporting and optimizing IT systems across Linux, Windows and VMware environments. You'll provide… more
    Belay Technologies (11/19/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams...Must have an active a transferable US government issued TS / SCI CI Poly security clearance or prior… more
    RTX Corporation (12/05/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    Linux System Administrator Job Category: Information Technology Time...Linux Systems Administrator , with a Top Secret Clearance ( TS / SCI ... Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage...fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our… more
    CACI International (10/04/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... in Aurora, CO.** Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical… more
    RTX Corporation (12/29/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    …with JIRA ticketing system **Clearance Requirements:** + Must have a current active Top Secret / SCI with Polygraph **Physical Requirements:** + The candidate ... **MANTECH** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. **Responsibilities… more
    ManTech (11/26/25)
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  • Journeyman Network & Computer System…

    TekSynap (Eglin AFB, FL)
    …and Military Compartments efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI ) and Special ... applications for all systems **REQUIRED QUALIFICATIONS** + Top Secret Clearance with SCI ...+ Prior performance in roles such as System, Network Administrator or Information Technology/Assurance Specialists + Must… more
    TekSynap (11/17/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    …of hardware and software in support of maintenance, developing and testing of information technology systems + Administration of Linux (ie, Redhat/Rocky 8) + ... and software in support of developing and testing of information technology systems with a Bachelor's degree...to dump and load databases **Clearance Requirement:** + Active TS / SCI clearance with Poly **Physical Requirements:** +… more
    ManTech (12/31/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    …of hardware and software in support of maintenance, developing and testing of information technology systems + Administration of Linux (ie, Redhat/Rocky 8) + ... administration of hardware and software in support of developing and testing of information technology systems + Experience with server STE/STN Compliancy (ex.,… more
    ManTech (12/28/25)
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