• Personnel Security Specialist I Adjudicator

    Amentum (Springfield, VA)
    …more of the standard securities and/or intelligence fields eg, technical, physical, information , industrial, personnel and operational security . + Subject matter ... to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and… more
    Amentum (01/08/26)
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  • Sr. Cloud Enterprise Technical Manager, National…

    Amazon (Herndon, VA)
    …/ CDN / Databases / AI/ML / DevOps / Big Data and Analytics / Security / Applications Development in a distributed systems environment - Bachelor's Degree in ... Networking / CDN / Databases / DevOps / Big Data and Analytics / Security / Applications Development in a distributed systems environment - Experience in… more
    Amazon (01/02/26)
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  • Technical Account Manager, National…

    Amazon (Herndon, VA)
    …/ CDN / Databases / AI/ML / DevOps / Big Data and Analytics / Security / Applications Development in a distributed systems environment - Bachelor's Degree in ... CDN / Databases / AI/ML / DevOps / Big Data and Analytics / Security / Applications Development in a distributed systems environment - Experience in Informational… more
    Amazon (12/31/25)
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  • Security Specialist - SSO

    Advantage SCI (Reston, VA)
    …of visitors. * Performing various badging functions and updating personnel security systems . * Scheduling and conducting SCI indoctrinations/debriefs, and ... Job Descriptions: Position Title: Security SpecialistReports To: The Customer and Project ManagerClearance...related documents. * Processing Personal Electronic Devices (PED) and systems access requests. * Badging activities, to include the… more
    Advantage SCI (12/03/25)
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  • Chemical Security & Elimination Subject…

    Red Gate Group (Fort Belvoir, VA)
    …a Difference for Country and Client," reflects our deep commitment to national security and service excellence. As an employer of choice, we offer comprehensive ... excellence and employee wellbeing. The Red Gate Group is seeking a Chemical Security & Elimination Subject Matter Expert (SME) to support the Defense Threat… more
    Red Gate Group (11/22/25)
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  • Senior Systems Engineer Tier III

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    …and procedures (TTPs) + Preferred: Active CISSP + Preferred: Master's degree in information systems management or related field. Physical Demands: + Must be ... system reliability and efficiency. + Ensure compliance with industry standards, security policies, and regulatory requirements for all systems .… more
    UIC Government Services and the Bowhead Family of Companies (01/09/26)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and network ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Network Security Engineer Lead

    Chenega Corporation (Fort Belvoir, VA)
    …hardware, operating systems , and software applications ensuring integration with Information Assurance (IA) security integrity requirements for the enclave. ... software and anti-virus signature files on all assigned assets. + Install security patches to protect against information assurance (IA) vulnerabilities. +… more
    Chenega Corporation (12/01/25)
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  • IT Infrastructure Architect/ Systems

    Guidehouse (Arlington, VA)
    …the As-Built or As-Is IT infrastructure from the aging infrastructure, fragmented systems , siloed operations, and security risks. + Modernizing the physical ... principles from the ground up, ensuring compliance with federal security standards for both classified and unclassified systems...San Francisco. If you have visited our website for information about employment opportunities, or to apply for a… more
    Guidehouse (10/23/25)
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  • Lead, Systems Engineering - Modeling…

    L3Harris (Herndon, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead, Systems Engineering - Modeling & Simulation Job Code: ... security clearance + Bachelor's degree in STEM fields (Software/Computer/Electrical/Aerospace/Software/ Systems Engineering, Physics) and a minimum of 9+ years of… more
    L3Harris (12/05/25)
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