• Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …being assembled by CACI, Inc! We have an opening for a **Linux Systems Administrator ** with an active TS / SCI w/Polygraph clearance. If you thrive ... Linux Systems Administrator Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (10/29/25)
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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, ... 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 (10/09/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ210149 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... experience integrating ServiceNow with other applications is required. + Security Clearance Level: TS / SCI w/Poly + Location: On Customer Site + US Citizenship… more
    General Dynamics Information Technology (11/08/25)
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  • Classified Area System Administrator

    Leidos (Huntsville, AL)
    …and a minimum of two 2 years of System Administrator experience. + **Current Secret clearance** with ability to obtain a Top - Secret clearance. + **DoD ... for consideration. You must also be eligible to obtain Top Secret clearance upon hire. **Primary Responsibilities:**...experience in a classified Collateral environment / SAP / SCI . + System Administrator experience in a… more
    Leidos (11/06/25)
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  • Classified Area System Administrator Mid

    Leidos (Huntsville, AL)
    …hold an active DoD Secret clearance and be eligible to obtain a Top Secret clearance. **What We Value:** We're not just looking for technical expertise; ... Information Security Office is seeking a skilled System Administrator to join our team. In this role, you'll...may be considered in lieu of degree. + Current ** Secret clearance** with ability to obtain a Top more
    Leidos (10/16/25)
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  • SIGINT Systems Administrator (Low-Band…

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator (Low-Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ... * * * CACI is seeking a SIGINT Systems Administrator (Low-Band Journeyman) to join the CACI team at...onsite at Beale AFB, CA and have an active/current TS / SCI prior to hire. **Responsibilities:** + Manages/supports… more
    CACI International (10/17/25)
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  • Cloud Administrator

    Leidos (Ashburn, VA)
    …as VPCs, subnets, VPNs, DNS, load balancers, and security groups. **Clearance:** + Top Secret clearance with SCI eligibility **Preferred Qualifications:** + ... monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial… more
    Leidos (11/15/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …has 4+ years of experience supervising or leading teams or projects. **Clearance** + Active TS / SCI clearance with Polygraph required OR active TS / SCI and ... where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The Administrator more
    Leidos (12/03/25)
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  • System Administrator

    CACI International (San Antonio, TX)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot,...enhanced VDI (eg, remote GPU and memory scaling). + TS / SCI with Polygraph **Preferred Skills:** + Extensive… more
    CACI International (11/25/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    …Systems Administrator Location: Langley, VA Eligibility: Candidate must possess a TS / SCI Clearance w/ a Full Scope Polygraph Job Description: Maintains an ... Systems Administrator Location: Langley, VA, US Job ID: ATR...Level II equivalent within 90 days of hire * TS / SCI Clearance required and eligibility to obtain… more
    Arena Technical Resources, LLC (12/07/25)
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