• Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a...be able to maintain a security clearance at the Top Secret level with SCI ... Senior Systems Administrator to support our customer on the Nautical contract...or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA,… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Senior Information System Security…

    The MITRE Corporation (Mclean, VA)
    …+ Experience supporting Sensitive Compartmented Information ( SCI ) and/or Special Access Program (SAP) systems /projects. + Experience with tools ... combination of related education and work experience. + Active Top Secret clearance with SCI ...and policy changes. + Previous experience operating as a SCI /SAP ISSO, ISSE, System Administrator ,… more
    The MITRE Corporation (12/18/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …to end-users. + Microsoft Azure Certifications **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... system administration tasks. + Work closely with the Information Systems Security Officer (ISSO) to address...accreditation efforts. **What Required Skills You'll Bring:** + **Active Top Secret / SCI with Full Scope… more
    Parsons Corporation (12/04/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    …Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI eligibility Duties and Responsibilities: Leads ... a team of system administrators responsible for enterprise IT systems ....origin, disability, family care or medical leave status, genetic information , veteran status, marital status, or any other characteristic… more
    System One (12/26/25)
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  • Network Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …and/or Experience: Bachelor's degree and/or 2 to 5 years of experience * Security Clearance: TS / SCI required with the ability to obtain a TS / SCI ... **Network Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia,...5 to 10 years of experience * Security Clearance: TS / SCI required with the ability to obtain… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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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 (12/02/25)
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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 (11/13/25)
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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 (12/01/25)
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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 (01/07/26)
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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 (12/18/25)
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