• Systems Administrator , Advisor

    CACI International (Springfield, VA)
    …you will help ensure today is safe and tomorrow is smarter. Our work depends on TS / SCI cleared Systems Administrator joining our team to Support our ... Systems Administrator , Advisor Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (09/03/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …ID:** RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Technical Skills: 1+ years of directly related experience in systems administration and analysis. + UNIX/LINUX System ...days over 2 week period) * Security Clearance Level: TS / SCI with Polygraph * Required Skills and… more
    General Dynamics Information Technology (09/02/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …activities in alignment with RMF (Risk Management Framework). Required Qualifications * Active Top Secret clearance ( SCI eligibility strongly preferred). * ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage...with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified… more
    CACI International (09/03/25)
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  • Cloud Systems Administrator IV

    Criterion Systems (Reston, VA)
    …Linux operating systems . + Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance, ... we encourage Veterans to apply. Responsibilities We are seeking a mission-focusedCloud Systems Administrator IV to support and contribute to our government… more
    Criterion Systems (09/17/25)
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  • Network Administrator II

    William C Brown Inc (Springfield, VA)
    …Master's Degree Location Springfield Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Top Secret / SCI This position is ... Network Administrator II EOE Statement We are an equal...rooms, communications closets, operations centers, and user workspaces. + TS / SCI Security Clearance (US Citizenship required) These… more
    William C Brown Inc (09/01/25)
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  • Linux System Administrator with Poly

    Parsons Corporation (Centreville, VA)
    …and 2 years of experience + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with polygraph + Linux command line experience + ... you're looking for. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators...quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security… more
    Parsons Corporation (08/23/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    … (https://mystaffingpro.com/sites/mystaffingpro.com/files/2018-05/tech\_faq\_sa.pdf) Position 1. Open Position - TS / SCI EOE Statement Assertive Professionals, ... System Administrator About the Organization Established...Number AP--24-00028 Location Chantilly, Virginia Full-Time/Part-Time Full-Time Minimum Clearance TS / SCI with Polygraph Timeline Pipeline Description Assertive… more
    Assertive Professionals (07/10/25)
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  • Linux Systems Administrator

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: ... be willing to work onsite at Langley AFB and have an active/current TS / SCI . Applicants with demonstrated experience supporting real-time 24/7/365 support in a… more
    CACI International (09/26/25)
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  • Cloud Systems Administrator V

    Criterion Systems (Reston, VA)
    …coordination with network engineers. + Other duties may include setting up administrator accounts, maintaining system documentation, tuning system ... Overview At Criterion Systems , we developed a different kind of business-a...be considered in lieu of degree. + Must have TS / SCI with active (<= 6 years) polygraph.… more
    Criterion Systems (08/08/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …related acquisition experience per level if no bachelor's degree is held. Active Top Secret / SCI clearance with a Counter-Intelligence Polygraph Experience as ... Deploy software updates, patches, and security fixes to desktop systems . Conduct regular system backups and data...a desktop system administrator or in a similar IT… more
    Sciolex Corporation (07/15/25)
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