• Linux Systems Administrator

    Nightwing (Sterling, VA)
    …minimize downtime and disruptions. **Required Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS/SCI clearance + 3+ years of ... defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team to assist in the maintenance and… more
    Nightwing (11/18/25)
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  • ServiceNow Administrator /Developer SME

    GovCIO (Washington, DC)
    … Required: US citizenship is required to acquire a Top Secret Clearance . **Preferred Skills and Experience** + ServiceNow Administrator Certification + ITIL ... **Overview** GovCIO is currently hiring a **ServiceNow Administrator /Developer SME** to support our USSS Network Operations and Security Center (NOSC) proposal.… more
    GovCIO (10/22/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …+ At least 4+ years of relevant professional experience + Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with ... you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year...6pm. **You will work closely with other infrastructure and network engineers, and system engineers on the following key… more
    Leidos (10/01/25)
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  • Linux Systems Administrator - TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …monitoring + Familiar with server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security ... possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux based workstations and servers… more
    Parsons Corporation (12/06/25)
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  • System Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …IAW DoD 8570.01-M and BBP 05-PR-M-0002. Windows server certification is required. + Secret clearance Tier 5 investigation required. Join our Talent Network ... System Administrator Ft. Belvoir, VA Join our Talent Network Systems Administrator Ft. Belvoir, VA C-CHR-24-036 TheSystem Administratorwill resolve issues… more
    Chenega Corporation (12/01/25)
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  • Senior Systems Administrator

    TekSynap (Fort Belvoir, VA)
    …**REQUIRED QUALIFICATIONS** + Three (3) or more years of experience. + BS/BA + Top- Secret clearance required with SCI or SCI eligibility. + DoD 8750 IAT ... vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE ** Top- Secret SCI SSBI required to perform system engineering… more
    TekSynap (12/13/25)
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  • Windows OS Administrator

    General Dynamics Information Technology (Davis Monthan AFB, AZ)
    …Regular ** Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations ... and its allies by providing 24/7 IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environments....(or equivalent experience) 3+ years of experience + Security Clearance Level: Top Secret with SCI eligibility… more
    General Dynamics Information Technology (12/06/25)
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  • Systems Administrator

    GovCIO (Fort Bliss, TX)
    …GovCIO is currently hiring for a Systems Administrator with an active Secret clearance to provide Windows administration for Windows Server 2012/2016, server ... + High School with 10+ years systems administration (or commensurate experience). + Secret Clearance with ability to obtain and hold DEA suitability. **Company… more
    GovCIO (11/29/25)
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  • GIS Enterprise Administrator

    Guidehouse (Washington, DC)
    **Job Family** **:** Data Science Consulting **Travel Required** **:** Up to 10% ** Clearance Required** **:** Active Top Secret (TS) **What You Will Do** **:** ... Guidehouse is seeking a GIS Enterprise Administrator to join our AI and Data Defense and...Will Need** **:** + An ACTIVE and MAINTAINED "TOP SECRET /SCI (TS/SCI)" Federal or DoD security clearance more
    Guidehouse (11/25/25)
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  • Senior Linux System Administrator

    GovCIO (Madison, WI)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... System Security, applying updates and remediating vulnerabilities (or commensurate experience) Active Secret Clearance Required with ability to obtain and hold… more
    GovCIO (11/07/25)
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