• Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... Administrator will provide operations support to customers across multiple...supervising or leading teams or projects. **Clearance** + Active TS / SCI clearance with Polygraph required OR active… more
    Leidos (12/03/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking for an opportunity to...**Citizenship:** Must be a US Citizen. + **Clearance:** Active TS / SCI clearance with Polygraph is required. +… more
    Parsons Corporation (12/20/25)
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  • Systems Administrator - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in...experience with web services. + **Security Clearance Level** : Top Secret / SCI with Polygraph +… more
    General Dynamics Information Technology (12/16/25)
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  • PKI Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …RQ211742 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT ... and collaboratively in a fast-paced environment. REQUIRED + Clearance Level Must Currently Possess: Top Secret and SCI eligible + Location: Onsite +… more
    General Dynamics Information Technology (12/17/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    …skills\. \* Strong oral and written communication skills \* Current final Top Secret clearance and ability to obtain SCI access; applicant selected will be ... **Description:** You will be the Systems Administrator for the Advanced Concepts...special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic… more
    Lockheed Martin (10/22/25)
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  • Systems Administrator

    Koniag Government Services (Washington, DC)
    …Management Solutions,** a Koniag Government Services company, is seeking a Systems Administrator with a Top - Secret clearance with the ability to obtain ... a Koniag Government Services company, is seeking an experienced Systems Administrator to support our government client....years of system administration experience + Active Top - Secret clearance with ability to obtain SCI more
    Koniag Government Services (10/01/25)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …Clearance: TS / SCI required with the ability to obtain a TS / SCI with Poly highly desired * Operating Systems : Strong knowledge of Windows, Linux, or ... ** Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:**...required with the ability to obtain a TS / SCI with Poly highly desired * Operating Systems more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Systems Administrator (2nd shift)

    General Dynamics Information Technology (Mclean, VA)
    …ID:** RQ210242 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Information Technology has an immediate opening for a Systems Administrator . The candidate is a ...NEED TO SUCCEED:** + **The position requires an active TS / SCI w/ Polygraph clearance** + **This position… more
    General Dynamics Information Technology (12/26/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking to work on mission-critical...in this role, you will need: + **Clearance:** Active TS / SCI clearance with Polygraph is required. +… more
    Parsons Corporation (12/20/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing...2 to 5 years of experience * Security Clearance: TS / SCI required with the ability to obtain… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a ...be able to maintain a security clearance at the Top Secret level with SCI eligibility ... monitoring tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments + Implement and… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Systems Administrator

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a highly motivated Systems Administrator to join our team of professionals providing technical and program services to the US ... land, at sea, in air, and in space. The Systems Administrator will be part of a...Provide superior customer service **Qualifications** + Must possess current TS / SCI with CI Polygraph + Must be… more
    SAIC (11/15/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …based on candidate eligibility. **Security Clearance** This position requires an active US Top Secret / SCI Security Clearance (US Citizenship Required). (A US ... (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** .… more
    The Boeing Company (12/25/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …and vulnerabilities. Required Skills: - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Requires on-site work ... of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across… more
    BCMC (10/16/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …maintenance and support of computer systems and networks. **Must have an Active Top Secret / SCI US Government clearance. Note: US Citizenship is required ... **Amentum** is looking for a **Junior Systems Administrator ** to join our team...to maintain a Top Secret / SCI clearance.** **Responsibilities:** +… more
    Amentum (12/05/25)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    Systems Engineering (SYE) **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Top Secret SCI with Polygraph **What You Will Do** **:** ... As a Systems Administrator , you will be involved in...You Will Need** **:** + An ACTIVE and MAINTAINED TS / SCI Federal or DoD security clearance with… more
    Guidehouse (12/13/25)
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  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    …travel. + Working Hours: Standard 40 hours per week. Qualifications: Required: + Clearance: Top Secret SCI with Polygraph. + Experience: 3+ years' experience ... Title: Systems Administrator - COMSEC Belong. Connect....in STEM degree + Certifications: IAW NRO Directive 50-05, information Assurance Workforce Enhancement Program (IAWEp) category information more
    KBR (12/06/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    …operating systems + DOD IAT Level II Certification is required. + DOD Top Secret clearance w/ SCI eligibility. **Knowledge, Skills, and Abilities:** + ... **Req ID:** 38512 **Summary** **Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving… more
    Chenega Corporation (12/10/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph ... Information Security, Engineering, Information Technology. MA/MS Preferred. + Top Secret Clearance with Polygraph Note: The job description is meant… more
    SAP (10/21/25)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a...**Clearance Requirements:** + Must possess a current / active TS / SCI with Polygraph **Physical Requirements:** + Must… more
    ManTech (12/19/25)
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