• Senior Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Travel: Occasional Salary: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 ... | Comprehensive and competitive benefits Job Title: Senior Linux/Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS /SCI Education:… more
    S4 Inc. (01/07/26)
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  • Sr . Linux/Windows Systems…

    Lockheed Martin (King Of Prussia, PA)
    …and WAN networking topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS ... customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work...operations, monitoring and problem resolution for all of the client/server/storage/ network devices \- Patch and harden Linux RedHat OS… more
    Lockheed Martin (11/14/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Windows Systems Administrator Range Network . The position ... Senior Systems Administrator , Windows Location HI -...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5… more
    Alaka'ina Foundation Family of Companies (12/15/25)
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  • Senior Systems Administrator (Linux)

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network . The position ... Senior Systems Administrator (Linux) Location HI...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with...Must be a US Citizen + Top Secret security clearance is required with T5 or equivalent… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • G2 Directory Services Engineer / Senior

    General Dynamics Information Technology (Fairfax, VA)
    Senior Systems Administrator ** must have: + **Security Clearance Level:** Active Top Secret clearance. (A Secret clearance with completed T5 ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure… more
    General Dynamics Information Technology (01/05/26)
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  • IT Systems Engineer, Sr / Top

    Lockheed Martin (King Of Prussia, PA)
    …Citizenship is a requirement to work at this facility \(No dual citizenship\)\. \- Top Secret level security clearance required\. \- Ability to move, rack, stack ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (11/07/25)
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  • CSfC Sr . Network Engineer

    TekSynap (Honolulu, HI)
    …IAVAs + Perform special projects and other duties as assigned. **REQUIRED QUALIFICATIONS** + Top Secret OR Higher OR Secret Clearance level with completed ... years; BS=12 years **Overview** We are seeking a CSfC Senior Network Engineer to join our team...focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** + United States Citizenship + Top Secret Clearance requirement **WAGE INFORMATION** Target… more
    TekSynap (12/02/25)
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  • Senior Network Engineer - Top

    Cambridge International Systems Inc (Charleston, SC)
    Senior Network Engineer - Top Secret Clearance | Charleston, SC Cambridge International Systems, Inc. Join a dynamic global team united by shared values: ... in defense and security. We are currently seeking a Senior Network Engineer to support operations in...is a full-time CONUS position requiring an active DoD Top Secret clearance. This position may be… more
    Cambridge International Systems Inc (12/18/25)
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  • Senior Installation Technician w/ TS

    TekSynap (Washington, DC)
    **Responsibilities & Qualifications** **REQUIRED QUALIFICATIONS** + **Mandatory Active Top - Secret Clearance with a CI Poly** + Active IAT II certification ... during installation. + Analyzes, administers, and maintains telecommunications and network cabling infrastructure. Must know standard copper 568‐B Color code,… more
    TekSynap (11/06/25)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a DoD-provided, ... TS /SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf… more
    Amentum (12/10/25)
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