• AeroVironment (Arlington, VA)
    …+ An active SECRET level clearance. Candidate must be willing to process for TOP SECRET clearance. A TOP SECRET clearance is required throughout ... and critical thinking mindset **DESIRED QUALIFICATIONS:** + An active TOP SECRET Clearance. + NOC/SOC Experience +...as well as alignment with market data. **Clearance Level** TS / SCI **ITAR Requirement:** _T_ _his position requires… more
    DirectEmployers Association (12/24/25)
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  • AeroVironment (Arlington, VA)
    …and provide actionable feedback. **Basic Qualifications:** + Bachelor's degree in Information Technology, Information Systems , Computuer Engineering, or ... Experience configuring UNIX and Windows environments. + An active TS / SCI with Polygraph. **Other Qualification & Desired...as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_… more
    DirectEmployers Association (12/19/25)
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  • Tyto Athene (Ashburn, VA)
    …Architect. + Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... environments. **Desired:** + Certified Splunk Architect (II) + CISSP - Certified Information Systems Security Professional + GCFA - GIAC Certified Forensic… more
    DirectEmployers Association (11/01/25)
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  • ABBTECH Professional Resources, Inc. (Washington, DC)
    **SharePoint Content Admin** **Location- Washington, DC** **Clearance- TS or TS / SCI ** **_This program requires US Citizenship_** **RECENT TREASURY EXPERIENCE ... IS A MUST** Mid-level SharePoint Content Administrator to support the US Dept of Treasury in Washington, DC The SharePoint Administrator shall provide services… more
    DirectEmployers Association (12/19/25)
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  • ABBTECH Professional Resources, Inc. (Washington, DC)
    **SharePoint Developer** **Location- Washington, DC** **Clearance- TS or TS / SCI ** **_This program requires US Citizenship_** **RECENT TREASURY EXPERIENCE IS ... Platform & Infrastructure + Install, configure, upgrade, and maintain SharePoint systems . + Manage multiple environments (development, test, staging, production). +… more
    DirectEmployers Association (12/19/25)
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  • 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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  • PKI Systems Administrator - active…

    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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  • Linux/Windows Systems Administrator

    COMSO, Inc (Columbia, MD)
    Linux/Windows Systems Administrator II ( TS / SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... seeking aSystems Administrator IIto join our Team! ** Must have active TS / SCI w/ Polygraph before consideration ** Requirements: + Ten (10) years' experience… more
    COMSO, Inc (11/27/25)
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  • Cyber Systems Administrator

    Serco (Washington, DC)
    …& Qualifications** **Position Description & Qualifications** Serco is seeking a **Cyber Systems Administrator ** to support the 705th CTS Distributed Mission ... and support LAN/WAN system tests + Adhering to strict Information Systems security guidelines in all cases....determine and develop approach to solutions. + Active DoD TS Security Clearance, with SCI eligibility +… more
    Serco (01/15/26)
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  • Systems Administrator (2nd shift),…

    General Dynamics Information Technology (Mclean, VA)
    …ID:** RQ212080 **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 with Polygraph clearance** + **This position… more
    General Dynamics Information Technology (01/05/26)
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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 (12/30/25)
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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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  • 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. (12/31/25)
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  • 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...assigned **Qualifications** + Education: Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related field from an ABET… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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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 (01/15/26)
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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 (01/01/26)
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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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  • Systems Administrator

    ManTech (Laurel, MD)
    …Requirements:** + Must be a US Citizen + Must have a current active Top Secret / SCI with Polygraph **Physical Requirements:** The candidate must be ... a degree. + 12+ years' of experience as a Systems Administrator in programs and contracts of...to apply for a position with MANTECH, please email us at ###@mantech.com and provide your name and contact information more
    ManTech (01/06/26)
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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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