• Lead Systems Administrator 3

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring a Lead Systems Administrator 3 for an exciting upcoming Cyber Operations contract award to support contracts that provide ... 15 + years of experience Clearance: Must possess and maintain a TS/SCI with polygraph Perform systems engineering activities and assist in the preparation of a… more
    BigBear.ai (06/30/25)
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  • Digital Services Web Server Administrator…

    General Dynamics Information Technology (Annapolis Junction, MD)
    … you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team. HOW A WEB SERVER SYSTEMS ... **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:**… more
    General Dynamics Information Technology (06/11/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    … Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business… more
    Assertive Professionals (07/10/25)
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  • System Administrator Level IV

    General Dynamics Information Technology (Annapolis Junction, MD)
    …**System Administrator Level IV** Transform technology into opportunity as a Systems Administrator Senior with GDIT. A career in enterprise ... Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems...operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will… more
    General Dynamics Information Technology (05/16/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for… more
    M. C. Dean (07/15/25)
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  • System Administrator 4

    M. C. Dean (Fort Belvoir, VA)
    …seeking a **System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
    M. C. Dean (07/15/25)
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  • System Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …seeking a **System Administrator 2** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
    M. C. Dean (07/15/25)
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  • Database Administrator 4

    M. C. Dean (Chantilly, VA)
    …engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability. ... Together, we transform the way complex, large-scale systems are designed, delivered, and sustained-enhancing client outcomes, improving lives, and changing the world… more
    M. C. Dean (07/15/25)
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  • IT Infrastructure and Engineering Support…

    CACI International (Fairfax, VA)
    IT Infrastructure and Engineering Support Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... Polygraph Employee Type: Regular Percentage of Travel Required: Up...looking for an IT Infrastructure, Windows OS or Linux Systems Engineer who will work within Development Environment IT… more
    CACI International (07/30/25)
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  • System Administrator IV - HPC

    Leidos (Annapolis Junction, MD)
    …HPC** for a new customer on a strategic High-Performance Computing (HPC) program. The Senior System Administrator will need to be a self-starter with excellent ... and performance of data center services, physical and virtual server-class systems , and storage. Lead medium-to-large scale projects, design and implement system… more
    Leidos (07/03/25)
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