• Senior Systems Development Engineer

    Amazon (Arlington, VA)
    …infrastructure to identify and reduce risks to Amazon. We are looking for a Senior Systems Development Engineer who is excited about designing and building ... out of one of the following locations: Arlington, VA, USA The Amazon Security Enterprise Protection team builds tools and services for the monitoring and response… more
    Amazon (07/18/25)
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  • Senior Network Security

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Network Security Engineer ...A track record of commitment to prior employers + 4 Total years of experience across network engineering and/or ... we provide an invaluable edge in real estate. We are looking for a Senior Network Security Engineer to improve our information security posture at CoStar… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Senior Forescout Security

    SAIC (VA)
    **Description** ** Senior Network Security Engineer ** SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support ... is a remote position._** **Job Description:** The 802.1x/Forescout/Comply to Connect Engineer will be responsible for designing, implementing, and managing robust… more
    SAIC (08/09/25)
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  • Senior Cyber Security

    CACI International (Chantilly, VA)
    Senior Cyber Security Engineer ...CISSP certification + 7+ years of related experience, including 4 + years as an ISSE on similar projects + ... opportunities for advancement. We're seeking a motivated, career and customer-oriented Senior Cyber Security Engineer to join our diverse team in Chantilly,… more
    CACI International (06/18/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …outcomes, improving lives, and changing the world for the better. We are seeking a **Physical Security Engineer 4 ** to join our ** Security and Electronic ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver… more
    M. C. Dean (06/17/25)
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  • Senior Digital RF Engineer (Hardware…

    Huntington Ingalls Industries (Roanoke, VA)
    …- $135,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII's ... defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR,… more
    Huntington Ingalls Industries (07/08/25)
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  • Senior Cyber Security

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** **Responsibilities ... + Perform Linux based system upgrades and patches + Engineer and deployment of a privileged access management (PAM)...+ Bachelor's degree in an information Technology field or 4 + years of additional IT experience in lieu of… more
    ManTech (06/04/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and customer-focused ** Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... + Supporting Assessment and Authorization activities related to network security technologies, as applicable **Minimum Qualifications:** + Bachelor's degree, or… more
    ManTech (08/08/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    Mantech seeks a motivated and customer-focused ** Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... . Supporting Assessment and Authorization activities related to network security technologies, as applicable **Minimum Qualifications:** . Bachelor's degree, or… more
    ManTech (08/08/25)
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  • Senior System Administrator (NETOPS)…

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $96,260.00 - $135,000.00 Security Clearance: TS/SCI Level of Experience: Mid HI This opportunity ... defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR,… more
    Huntington Ingalls Industries (07/31/25)
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