• System Administrator

    System One (Springfield, VA)
    Job Title: System Administrator Location: Springfield VA Type: Contract To Hire Contractor Work Model: On-site - Full Time Security Clearance: TS /SCI with ... eligibility to obtain a CI Poly Contact: ###@altaits.com The Systems Administrator will work closely with both...Provide support for implementation, troubleshooting, and maintenance of IT systems and management of system infrastructure and… more
    System One (09/16/25)
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  • Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (San Diego, CA)
    Systems Administrator , Mid The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one ... the technology supporting the Navy? We're looking for a system administrator with a solid background in...technical and non-technical senior leadership on complex issues + Top Secret clearance + Bachelor's degree in… more
    BOOZ, ALLEN & HAMILTON, INC. (09/17/25)
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  • System Administrator , High…

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** System Administrator , High Performance Computing (HPC) ... the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems ....basic to advance scripting experience. + An active DoD Secret or Top - Secret Clearance. +… more
    RTX Corporation (09/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of directly related experience in systems administration and analysis. + UNIX/ LINUX System Administration - Preferred + Windows System Administration ... RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (09/02/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    … Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, ... + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing… more
    General Dynamics Information Technology (09/16/25)
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  • Senior Systems Administrator…

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** ... Systems Administrator ** with demonstrated experience to maintain...virtual networking. **Required Skills and Experience:** + Clearance Required: Top Secret + Bachelor's degree in a… more
    SMX (10/03/25)
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  • Principal Systems Administrator

    RTX Corporation (Tucson, AZ)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/03/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting… more
    Assertive Professionals (07/10/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... of Travel: Local * * * **The Opportunity:** CACI is seeking a highly skilled ** System Administrator ** to join our team in supporting a Government customer. The… more
    CACI International (08/15/25)
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  • Sr. Principal Systems Administrator…

    Northrop Grumman (Wright Patterson AFB, OH)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems (NGDS) is seeking a Principal/Sr. Principal Systems Administrator to maintain and enhance capabilities...4+ year of experience + Active Department of Defense Top Secret /Sensitive Compartmented Information security clearance +… more
    Northrop Grumman (09/30/25)
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