• Senior Systems Administrator

    Cambridge International Systems Inc (Mclean, VA)
    …obstacles! Cambridge International Systems , Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. Qualified candidates ... for this job must possess a current DoD TS / SCI full scope w/poly security clearance. ROLE...ROLE RESPONSIBILTIES + Maintains smooth operation of multi-user computer systems , including coordination with network engineers. + Monitors and… more
    Cambridge International Systems Inc (06/10/25)
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  • Senior High Performance Computing Systems

    BAE Systems (Annapolis Junction, MD)
    …advanced supercomputers. **About the Role** We're seeking a highly skilled Senior HPC Systems Administrator to join our dynamic team. In this position, you'll ... of a large client-server based IT enterprise + A TS / SCI clearance with polygraph + Experience with...position level and/or job specifics. **Senior High Performance Computing Systems Administrator ** **112588BR** EEO Career Site Equal… more
    BAE Systems (04/30/25)
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  • Cloud Systems Administrator IV

    Criterion Systems (Reston, VA)
    …we encourage Veterans to apply. Responsibilities We are seeking a mission-focusedCloud Systems Administrator IV to support and contribute to our government ... systems . + Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide… more
    Criterion Systems (06/18/25)
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  • Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …**Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** Systems Engineering **Skills:** Active ... **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator - Active Directory Forests - Active Top... Administrator - Active Directory Forests - Active Top Secret Required** Seize your opportunity to… more
    General Dynamics Information Technology (05/24/25)
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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 (06/17/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a highly skilled **Senior Systems Administrator ** to support mission-critical operations across various laboratory ... systems to address complex mission-specific challenges. The **Senior Systems Administrator ** will work in dynamic lab...considered in lieu of a degree. + An active TS / SCI with Poly security clearance. + At… more
    Leidos (06/11/25)
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  • Systems Administrator /ISSO

    Huntington Ingalls Industries (Reston, VA)
    …in the management and control of an Intelligence Community Program within a Sensitive Compartmented Information Facility (SCIF), to include assisting in ... https://vimeo.com/732533072 Summary HII, Mission Technologies is seeking a motivated Systems Administrator (SA) with a desire to...10 years relevant experience. + Must possess an active TOP SECRET / SCI clearance with a… more
    Huntington Ingalls Industries (05/20/25)
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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 ... Systems Administrator Washington, DC, USA Req...years of system administration experience + Active Top - Secret clearance with ability to obtain SCI more
    Koniag Government Services (07/02/25)
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  • Systems Administrator - TS

    General Dynamics Information Technology (Mclean, VA)
    …ID:** RQ200462 **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 (06/05/25)
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  • Linux Systems Administrator

    SAIC (Reston, VA)
    …/ SCI clearance with Polygraph. **Required:** + Proven experience as a Systems Administrator , with a focus on supporting a complex enterprise environment. ... **Description** SAIC, a leading provider of systems development & deployment, targeting and intelligence analysis,...Reston, VA. We are seeking a highly motivate System Administrator to join our National Intelligence Program to be… more
    SAIC (06/03/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz ... Systems Administrator , Senior The Opportunity: Your...Ability to author, interpret, and analyze technical documentation + TS / SCI clearance + HS diploma… more
    BOOZ, ALLEN & HAMILTON, INC. (06/30/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz ... Systems Administrator , Senior The Opportunity: Your...interpret, and analyze te chn ical documentation + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (06/30/25)
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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 ... Martin's Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/ Systems Administrator with a...must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date… more
    Lockheed Martin (07/03/25)
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  • Sr. Macintosh Systems Administrator

    CGI Technologies and Solutions, Inc. (Washington, DC)
    **Sr. Macintosh Systems Administrator TS / SCI with Poly REQUIRED** **Category:** Project Management **Main location:** United States, District of ... duties and responsibilities:** * Serve as a Macintosh (Mac) systems administrator and maintain responsibility for planning...qualifications to be successful in this role:** * Active TS / SCI clearance with Polygraph * 5+ years… more
    CGI Technologies and Solutions, Inc. (05/09/25)
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  • Dev Ops Systems Administrator

    CACI International (Chantilly, VA)
    Dev Ops Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... You'll Get to Do:** CACI is seeking a System Administrator to work with a focused and fun team...standard operating procedures, and system documentation. **Required:** + Active TS / SCI security clearance with polygraph Bachelor's and… more
    CACI International (04/25/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …efficiency through automation and process optimization. **What does Leidos need from me?** + Active Top Secret / SCI ( TS / SCI ) with Polygraph security ... Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber...and automation. + Apply security best practices to harden systems , protect sensitive data, and ensure compliance… more
    Leidos (06/30/25)
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  • Principal Linux Systems

    Leidos (Columbia, MD)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd **Original Posting:** May 12, ... **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (05/13/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation,... enhancements to improve reliability and performance **Requirements:** + TS / SCI with polygraph clearance + 10 years… more
    CACI International (04/10/25)
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  • Sr. Systems Administrator

    BigBear.ai (Columbia, MD)
    …System Administrator is responsible for implementing, troubleshooting, and maintaining Information Technology (IT) systems . This role manages IT system ... Software, Systems , and Engineering Management Clearance: Must possess and maintain a TS / SCI with Poly Perform systems engineering activities and assist… more
    BigBear.ai (06/13/25)
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  • ServiceNow Systems Administrator

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 9 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... + Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems + Manage IT...and performance **Qualifications** + Must currently hold an Active TS / SCI and Poly clearance + Bachelor's degree,… more
    SAIC (04/18/25)
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