• Systems Administrator 3

    Huntington Ingalls Industries (Wright Patterson AFB, OH)
    …Huntington Ingalls Industries, Technical Solutions Division (HII-TSD) is currently seeking a Systems Administrator . The ideal candidate works well in an agile, ... Time/Salaried/Exempt Anticipated Salary Range: $76,513.00 - $105,304.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Warfare… more
    Huntington Ingalls Industries (09/25/25)
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  • CCS-C Systems Administrator

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …to our nation and global customers. Kratos has an exciting opportunity for a CCS-C Systems Administrator and Systems Integrator. The ideal candidate has over ... five years of experience in Systems Administration or Software Integration. Familiarity with the government...Experience: + Active Security+ with CE + Minimum clearance: SECRET with ability to obtain TS /SCI +… more
    Kratos Defense & Security Solutions, Inc. (11/27/25)
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  • System Administrator

    CACI International (Hanover, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... Travel: None * * * **Exciting Opportunity: Join Our Team as a System Administrator for Cutting-Edge ICAM Projects!** Are you a tech-savvy professional with a passion… more
    CACI International (12/05/25)
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  • Systems Administrator

    SAIC (Washington, DC)
    …limited to: + Manage and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux , and Windows. + Install and configure ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...and communicate and coordinate system changes. **Qualifications** + Active TS /SCI with Polygraph. + Experience with IT Service Management… more
    SAIC (12/06/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …tough, meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Poly - Current At Raytheon, the foundation...DoD 8570 certification or higher. + System administration across Linux systems . + Experience in the Intelligence… more
    RTX Corporation (11/15/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …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 ... Principal System Administrator Location Annapolis Junction, MD Job Code 2270...excellence. Key Tasks: Candidate will be responsible for providing Linux System Administration support for the program. Along with… more
    DCCA (11/17/25)
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  • System Administrator

    ProSphere Tek (Tacoma, WA)
    …environment to substantially improve your skills and experience? PSI is seeking a System Administrator with an active Top Secret /SCI clearance to support our ... Access, PowerPoint and SharePoint. + Working knowledge of operating systems : UNIX (Sun Solaris, SUNOS), LINUX , Microsoft...of operating systems : UNIX (Sun Solaris, SUNOS), LINUX , Microsoft Windows OS (current and legacy), Cisco OS,… more
    ProSphere Tek (10/31/25)
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  • Network Security Administrator

    TekSynap (Pensacola, FL)
    …, Cisco) + IAT LVL III (eg, GIAC, CISSP, CASP, CISM) + Must have Top Secret clearance **COMPETENCIES** + Network Security & Architecture + Cybersecurity & ... **Responsibilities & Qualifications** The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and accreditation… more
    TekSynap (10/07/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating systems running on SPARC/x86 hardware supporting the ONI ... Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment...systems + Installation, configuration and system hardening of Unix/ Linux operating systems + Installation and configuration… more
    FGS, LLC (11/22/25)
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  • System Administrator

    CACI International (College Park, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... of Travel: Local * * * **The Opportunity:** CACI is seeking a System Administrator to join our team. **Responsibilities:** As a Mid-Level Linux Infrastructure… more
    CACI International (11/08/25)
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