• 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 ... a related field. + CompTIA Security+ Minimum + Proven experience as a System Administrator in a classified environment, preferably within the intelligence… more
    Parsons Corporation (09/04/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    General Dynamics Information Technology (11/08/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (10/09/25)
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  • Modernization Cyber Systems…

    Lockheed Martin (Hanover, MD)
    …and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of ... used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: * A High School… more
    Lockheed Martin (10/10/25)
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  • HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …the ability to obtain a TS /SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux environments. * Hardware: Knowledge of ... **HW Infrastructure Administrator ** **Category:** Testing/Quality Assurance **Main location:** United States,... TS /SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of directly related experience in systems administration and analysis. + UNIX/LINUX System Administration - Preferred + Windows System Administration - ... RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (09/02/25)
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  • Senior Linux Systems Administrator…

    Leidos (Columbia, MD)
    …will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance. ... a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/26/25)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …the ability to obtain a TS /SCI with Poly highly desired * Operating Systems : Strong knowledge of Windows , Linux, or other relevant operating systems . ... ** Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:**... TS /SCI with Poly highly desired * Operating Systems : Strong knowledge of Windows , Linux, or… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Systems Administrator , Advisor

    CACI International (Springfield, VA)
    …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 intelligence ... Systems Administrator , Advisor Job Category: Information...a fast-paced environment. + Must be able to obtain System Administrator Accounts and access as required… more
    CACI International (09/03/25)
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  • Network- System Administrator II

    Global Resource Solutions (Washington, DC)
    …motivated, detail orientated, and talented individual for the position of Network/ System Administrator II. Job Description: Summary: The Network/ System ... + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required +...of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI Eligibility +… more
    Global Resource Solutions (10/13/25)
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