• Senior Unix System Administrator

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced Senior ... UNIX Administrator to support operations at the Patuxent River Data...MD (PRDC) + Security+ (or equivalent IAT Level II certification ) required to start + Proficient with UNIX/Linux environments,… more
    SMX (12/04/25)
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  • System Administrator (Citrix)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile US Navy ... customer and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document, and structure stakeholder...clearance. + DoD 8570 IAT Level II or III certification , or a SECNAV 5239 qualifying degree with the… more
    BAE Systems (12/04/25)
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  • Senior Linux/Unix Systems Administrator

    SMX (Dahlgren, VA)
    Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior ... Linux/Unix Administrator to join our team in support of Naval...such as firewalls + Vulnerability management + IAT III certification such as CISSP, CISM, GSLC, CASP or equivalent… more
    SMX (12/04/25)
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  • Systems Administrator

    Leidos (Eglin AFB, FL)
    …rapidly in your career. We have an exceptional opportunity for a **Systems Administrator ** to join our dynamic team at **Hurlburt Field, FL.** If you're passionate ... we want to hear from you! **Why Join Leidos?** As a Systems Administrator at Leidos, you'll immerse yourself in a **mission-critical, classified environment** where… more
    Leidos (12/03/25)
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  • Systems Administrator (Linux)

    RTX Corporation (Mckinney, TX)
    …Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US ... defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a highly...obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements within 6 months of start date. **Qualifications… more
    RTX Corporation (12/02/25)
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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 Employee Type: ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information… more
    CACI International (12/02/25)
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  • Senior ServiceNow Administrator

    CACI International (VA)
    Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage ... Local * * * **The Opportunity:** CACI are seeking a Senior ServiceNow Administrator to provide advanced operations and maintenance (O&M) support for a large-scale… more
    CACI International (12/02/25)
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  • Systems Administrator Staff, Level 4…

    Lockheed Martin (Huntsville, AL)
    **Description:** The System Administrator performs general account maintenance, group policy and anti\-virus updates, preventative maintenance, and provides ... hardware issues with vendors, and password updates\. **Basic Qualifications:** * Security\+ certification * Experience with Windows 10 and Windows Server 2019 or… more
    Lockheed Martin (11/27/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    Title: System Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation,...Required: + Security Clearance: Must have an active US government Top Secret/SCI security clearance, which is something only… more
    KBR (11/20/25)
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  • Windows Systems Administrator

    SMX (Patuxent River, MD)
    Windows Systems Administrator (4793)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a Windows System Administrator who ... operating systems, and various applications. As the Windows System Administrator you will be required to manage the devices...Systems + Security+ CE or other IAT Level 2 certification required + In-depth knowledge of computer systems and… more
    SMX (11/19/25)
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