• Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team of technical professionals. ... and permissions + Candidates must have a current DOD ** Top Secret /SCI** level security clearance to include...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (10/31/25)
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  • System Administrator

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    …COMPTIA Sec + or higher certification * 7 years of experience as a Systems Administrator or similar infrastructure engineering role. * Advanced knowledge of ... Windows Server and/or Linux systems . * Strong expertise with virtualization...a plus. SECURITY CLEARANCE REQUIREMENTS: Must currently hold a Top Secret /SCI clearance. Physical Demands: * Must… more
    UIC Government Services and the Bowhead Family of Companies (11/09/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required). (A US Security ... your future with us. Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a **System Administrator ** (Shift Work) to join our… more
    The Boeing Company (11/07/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …and support accreditation efforts. **What Required Skills You'll Bring:** + **Active Top Secret /SCI with Full Scope Polygraph** + Bachelor's degree in ... or DoD. + Strong proficiency in managing Windows and Linux operating systems . + Extensive experience with...+ Microsoft Azure Certifications **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
    Parsons Corporation (09/04/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are...DoD 8570 Level II equivalent within 90 days of hire* TS /SCI Clearance required and eligibility to obtain a Poly* ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...create and modify scripts in multiple disciplines on Windows, Linux , and Solarissystems* Knowledge of the Customer's processes and… more
    William C Brown Inc (10/14/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    Administrator . Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along with user ... perform technical software configuration, rebooting, and other remedial actions on customer systems . Work will be conducted on-site at our Chantilly, VA location.… more
    Leidos (11/15/25)
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  • SIGINT Systems Administrator (Low…

    CACI International (Hampton, VA)
    SIGINT Systems Administrator (Low Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Employee Type: ... Travel: * * * CACI is seeking a SIGINT Systems Administrator to join the CACI team...Langley AFB in Hampton, VA and have an active/current TS /SCI prior to hire. **Responsibilities:** + Manages/supports LBS SW… more
    CACI International (09/15/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (11/05/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...servers. Manage day-to-day operations, monitoring and problem resolution of Linux systems . Activities include installation and maintenance… more
    Assertive Professionals (10/09/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    top -tier IT solutions. Responsibilities: + Configure and maintain Linux -based servers and supporting the development, testing, and production hosting of ... System Administrator Job Category: Information Technology Time Type: Full...2 or higher) + Amazon Web Services (AWS) (C2S) systems administration. + Linux operating systems more
    CACI International (10/24/25)
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