• Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux based ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (10/18/25)
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  • Systems Administrator - TS

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an experienced ** Systems Administrator ** to join our team in supporting mission-critical IT infrastructure. This role is ideal ... for a professional with solid systems administration expertise, particularly in pipeline automation and/or VMware...of a degree. + US Citizen with an active TS /SCI with Poly security clearance. + Proven experience in… more
    Leidos (01/01/26)
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  • NCIS Cyber Systems Administrator

    General Dynamics Information Technology (Quantico, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** at GDIT in...NEED TO SUCCEED (Required):** + **Security Clearance Level:** Active Top Secret clearance with SCI eligibility. +… more
    General Dynamics Information Technology (12/08/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …RQ206899 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will...1+ years of experience. **Qualifications** + **Must have Active TS /SCI with Polygraph and must be willing able to… more
    General Dynamics Information Technology (12/06/25)
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  • Software Engineer/ Systems

    Cinteot (Springfield, VA)
    Software Engineer / Systems Administrator (location: Springfield, VA) The selected individual will be responsible to support the Framework Services / Platform ... customer issues using the Service Now and IBM Clearquest systems . Applicant selected must possess a current TS...Education: Bachelor (or 4 years additional experience) Security Clearance: Top Secret with SCI and Full Scope… more
    Cinteot (11/06/25)
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  • Systems Administrator III

    Noblis (Chantilly, VA)
    …resolve critical incidents within designated resolution timelines Required Qualifications + Active Top Secret ( TS ) clearance with eligibility for Sensitive ... Responsibilities As a Systems Administrator , you will be responsible...web servers. You will support the multi-enclave environment (Unclassified, Secret , and Top Secret /SCI) that… more
    Noblis (12/30/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (12/03/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... are not limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks + Monitor system… more
    ManTech (12/13/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but ... are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (11/19/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    …operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large enterprise IT contract...actions, document change requirements, and implement changes to production systems . + Oversee knowledge management for the team to… more
    Leidos (12/08/25)
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