• Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... incentives may be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal Opportunity Employer.… more
    BAE Systems (12/09/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you ... advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and… more
    General Dynamics Information Technology (12/18/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking to work on mission-critical systems in ... a dynamic environment? Parsons is seeking a mid-level Linux Systems Administrator to support Linux-based workstations and servers in both physical and virtual… more
    Parsons Corporation (12/20/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking for an opportunity to work on mission-critical ... systems ? Parsons is seeking a mid-level Linux Systems Administrator to support both Linux-based workstations and servers in physical and virtual… more
    Parsons Corporation (12/20/25)
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  • IT Systems Administrator

    EMCOR Group (Dulles, VA)
    …many government agencies. **Job Summary** **Essential Duties and Responsibilities:** **IT Systems Administrator Requirements:** The System Administrator is ... 3 level" + Responsible for capacity, storage planning, and database performance ** Systems Administrator Qualifications:** + Relevant degree or diploma in… more
    EMCOR Group (12/31/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …(IDT&S) organization Specialized Infrastructure Operations group is currently seeking a **Senior Systems Administrator ** to join the team in **Herndon, VA** . ... + Current CompTIA Security+ Certification + 5+ years of experience as a systems administrator + 5+ years of experience working in a cross functional environment… more
    The Boeing Company (12/25/25)
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  • Systems Administrator

    Aston Carter (Dulles, VA)
    …database performance. Required Skills + 5 to 10 years of experience as a systems administrator + Meraki Networking and M365 knowledge required. + Customer ... Job Title: System Administrator Job Description The role requires visiting worksites...secure data storage, resolving technical issues, and enhancing network systems . Responsibilities + Configure and maintain the networked IT… more
    Aston Carter (01/09/26)
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  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    Title: Systems Administrator - COMSEC Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... this SETA role, you use your expertise to perform Systems Administration for a COMSEC group. A Systems...Polygraph. + Experience: 3+ years' experience as a System Administrator Desired: + Experience: Military / DOD / IC… more
    KBR (12/06/25)
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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 ... and 7 years' experience, or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a leadership role + Experience in… more
    ManTech (12/19/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with ... internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for leading the development… more
    SAP (10/21/25)
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  • Windows Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a skilled and motivated **Windows Systems Administrator ** to join our team of top Information Technology and Analytic professionals in ... and improve the organization's Windows infrastructure as part of a collaborative systems team. Your focus will span operations, security, and integration of hardware… more
    ManTech (12/03/25)
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  • Systems Administrator - TS/SCI…

    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 environments across Windows and/or Linux platforms.… more
    Leidos (01/01/26)
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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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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Parsons is seeking a Linux Systems Administrator . The candidate will support both Linux based workstations ... servers in both physical and virtual environments. The candidate will perform daily systems checks and identify and resolve issues as they arise. The candidate must… more
    Parsons Corporation (01/08/26)
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  • Systems Administrator III

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... workstations and servers + Perform software installations and upgrades to operating systems and layered software packages + Schedule installations and upgrades in… more
    Noblis (12/30/25)
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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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  • Database/ Systems Administrator

    CACI International (Ashburn, VA)
    Database/ Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with… more
    CACI International (11/01/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM ... space.As a System Administrator on this program, you will design, develop, implement,...via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS/SCI with Polygraph +… more
    Leidos (01/09/26)
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  • GIS Systems Administrator - TSSCI

    Insight Global (Herndon, VA)
    Job Description We are seeking an experienced Esri System Administrator to support geospatial enterprise systems within a government/defense environment. This ... position offers you the chance to work on a tight knit team and learn from seasoned pros to level up your career. The ideal candidate will have successful experience with ArcGIS Enterprise, secure system administration practices, and working within IC or DoD… more
    Insight Global (10/16/25)
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