• Physical Security System

    M. C. Dean (Chantilly, VA)
    …across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for monitoring, maintaining, ... electrical, engineering, and cybersecurity industries. We are seeking a ** Physical Security System Administrator...improvements + Resolve complex system issues for physical security systems + Triage… more
    M. C. Dean (10/23/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Directory. Deploy software updates, patches, and security fixes to desktop systems . Conduct regular system backups and data recovery operations. Maintain and ... clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT...DoD Directive 8570 Knowledge of Windows and Linux operating systems . CompTIA Security + or ability to obtain… more
    Sciolex Corporation (10/14/25)
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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...interacting with cross functional project teams including Software Development, System Engineering/ Verification and Validation, Security , Compliance… more
    Leidos (10/10/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... impactful solutions in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the Sponsor's… more
    ManTech (08/30/25)
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  • Linux Systems Administrator - TS/SCI…

    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 ... systems maintenance. Responsibilities also include software and hardware system installations, and troubleshooting of user reported issues. The candidate will… more
    Parsons Corporation (10/18/25)
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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 (08/20/25)
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  • Lead IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Lead 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 (08/20/25)
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  • Security Administrator

    Amentum (Chantilly, VA)
    …an opportunity in a new field? Are you considering a return to personnel security support or trusted workforce vetting? If you want to use your administrative ... an environment that allows you to directly support national security , we have an opportunity for you! Amentum is...should be comfortable learning to use new proprietary computers systems and spending the majority of the work day… more
    Amentum (10/25/25)
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  • Mission Support Administrator - Full…

    Patriot Group International, Inc (Chantilly, VA)
    Mission Support Administrator - Full Performance Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: ... offers an unrivaled hybrid of specialized services by combining security and risk management disciplines with a special operations...perspective. We are looking to hire a Mission Support Administrator - Full Performance to join our team in… more
    Patriot Group International, Inc (10/21/25)
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  • Principal Support Administrator

    Patriot Group International, Inc (Chantilly, VA)
    Principal Support Administrator Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: M-F 9A-5P Patriot ... offers an unrivaled hybrid of specialized services by combining security and risk management disciplines with a special operations...perspective. We are looking to hire a Principal Support Administrator to join our team in the Northern Virginia… more
    Patriot Group International, Inc (09/30/25)
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  • Mission Support Administrator

    Patriot Group International, Inc (Chantilly, VA)
    Mission Support Administrator - Developmental Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: M-F ... offers an unrivaled hybrid of specialized services by combining security and risk management disciplines with a special operations...perspective. We are looking to hire a Mission Support Administrator - Developmental to join our team in the… more
    Patriot Group International, Inc (10/21/25)
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  • Network Administrator

    Leidos (Chantilly, VA)
    …SolarWinds, traceroute, ping, and ARP tables. + Experience managing and supporting physical and virtual network systems , including patching and configuration. + ... **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at… more
    Leidos (08/16/25)
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  • Database Administrator SME

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Database Administrator for a technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, ... Policy Management. Primary Responsibilities: Overall responsibilities as a Database Administrator include performing all necessary procedures for several databases… more
    Leidos (10/10/25)
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  • Senior Database Administrator

    ManTech (Chantilly, VA)
    …CM practices **Clearance Requirements:** + Must possess a current and active TS/SCI security clearance with Polygraph ** Physical Requirements:** + The person in ... MANTECH seeks a motivated, career and customer-oriented **Senior Database Administrator ** to join our Data and AI Practice. This position requires full-time on-site… more
    ManTech (08/21/25)
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  • Expert Database Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Database Administrator to support the Sponsor's Authentication Programs as well as Authorization, and Digital Policy Management. ... pages and other records as needed + Support database security hardening + Address and troubleshoot technical problems +...through emails that are generated by the Leidos.com automated system - never from free commercial services (eg, Gmail,… more
    Leidos (10/10/25)
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  • Information System Security Engineer…

    Assertive Professionals (Chantilly, VA)
    …Desired Experience and Qualifications: + Certified Information Systems Security Professional (CISSP) Certification(s). + Certified Splunk Administrator ... Information System Security Engineer (ISSE) About the...security vulnerabilities, organizing and maintaining awareness of both physical and logical placement of network nodes within a… more
    Assertive Professionals (10/09/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …+ Experience with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or ... application of the Defense Information Systems Agency (DISA) Security Technical Implementation Guides. + Operating System /Computing Environment certificate… more
    Tau Six (10/22/25)
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  • AV Systems Programmer

    TekSynap (Chantilly, VA)
    …close out documentation and punch list items. + Complete installation of software/control system needs of client systems in the most efficient and effective ... SDA personnel to provide operations, maintenance, and programming of as-built AV systems throughout the SDA's area of responsibilities, as well as requirement… more
    TekSynap (09/27/25)
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  • Tech Specialist 4

    M. C. Dean (Chantilly, VA)
    system performance and recommend improvements + Resolve complex system issues for physical security systems and networks + Provide Tier 3 support to ... Technical Specialist will demonstrate the following capabilities: + Manage physical security system support to...of experience with installation, troubleshooting and/or testing of electronic security systems + 12 years of experience… more
    M. C. Dean (08/27/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …to produce security and engineering related artifacts that span technical, physical , and logical system scope. - Interface with subject matter experts ... Engineering team is seeking a driven Senior Linux/UNIX Systems Administrator that is highly technical and...diagnosis and resolution - Implement, troubleshoot and maintain IT systems remotely - Document the management of system more
    Arena Technical Resources, LLC (10/25/25)
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