• Windows Automation Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SME GDIT is seeking a Windows Automation Engineer to help ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (10/18/25)
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  • Mid-Level Classified System Administrator

    The Boeing Company (Patuxent River, MD)
    …(Desired Skills/Experience):** + 3+ years of experience designing & implementing Windows Systems + 3+ years of experience troubleshooting operating ... and application support activities + Provide support for Windows Operating Systems (OS) + Provide basic...eligibility. **Security Clearance** This position requires an active US Top Secret Security Clearance (US Citizenship Required).… more
    The Boeing Company (10/08/25)
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  • Systems Administrator 2 (Bluemont,…

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... characteristic protected by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation, troubleshooting and… more
    William C Brown Inc (07/24/25)
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  • Sr. Specialist, Systems

    L3Harris (Palm Bay, FL)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Administrator Job Code: 29595 Job Location: Palm Bay, FL Job Schedule: ... System/Network Administrator managing an enterprise level domain. + Current/active TS /SCI security clearance. Preferred Additional Skills: + Strong knowledge of … more
    L3Harris (10/05/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we ... problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support… more
    RTX Corporation (09/09/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products +...- VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General… more
    ManTech (10/10/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid… more
    Leidos (07/31/25)
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  • System Administrator

    Koniag Government Services (Huntsville, AL)
    …work effectively with numerous stakeholder types and bring a group to consensus + Top Secret Clearance **Our Equal Employment Opportunity Policy** The company is ... Public Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security, Network Systems ** **Job Function** ** Systems Administrator ** **Pay Type**… more
    Koniag Government Services (07/30/25)
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  • Systems Administrator - Multiple…

    Noblis (San Diego, CA)
    …in resolving accounts, recovery of data and maintaining security + Loading operating systems , including Windows , Solaris, Unix and Linux. + Develop active ... master's degree with 3+ years of experience providing technical support in operating systems ( Windows , Linux), networking, and security, along with experience in… more
    Noblis (09/18/25)
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  • Systems Administrator II- Full-Scope…

    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 ... Linux and Windows environments. In this role, you'll ensure our systems are secure, reliable, and aligned with mission requirements. An **active Full-Scope… more
    RTX Corporation (09/19/25)
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