• Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider ... Thursday with work from home on Friday. **Responsibilities** + Lead purple team activities in collaboration with our threat...or college (preferably in a relevant field - Computer Science/ Cyber Security ) + A track record of… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our ** Security and Electronic ... is Building Intelligence. We design, build, operate, and maintain cyber -physical solutions for the nation's most mission-critical facilities, secure environments,… more
    M. C. Dean (10/23/25)
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  • Detection & Response Security

    Meta (Richmond, VA)
    …broad range of intelligence requirements. **Required Skills:** Detection & Response Security Engineer , Threat Intelligence Responsibilities: 1. Influence and ... improve Meta's security posture. You will help the team establish, lead and execute multi-year roadmaps that improve research efficiency and quality across the… more
    Meta (11/01/25)
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  • Information Systems Security

    BAE Systems (Sterling, VA)
    …service delivery. \#LI-KW2 **Required Education, Experience, & Skills** We are actively seeking Cyber Security Systems Engineers with a minimum of 6 years' ... be available based on position level and/or job specifics. **Information Systems Security Engineer (Senior)- ISSE** **115935BR** EEO Career Site Equal… more
    BAE Systems (11/21/25)
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  • Security Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …+ Bachelor's degree desired ** Security Requirements:** + Active DoD Top Secret security clearance 1. One (1) engineer will require a TS/SCI clearance Imagine ... One Technology & Management, Ltd. is seeking two (2) ** Security Engineers.** This position is contingent upon award of...to which it interfaces, both physically and virtually. + Lead and perform as ISSO to be focal point… more
    Imagine One Technology & Management (09/24/25)
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  • Software Development Engineer II - Threat…

    Amazon (Arlington, VA)
    …threats, track adversary activities, and provide actionable intelligence across Amazon's security ecosystem. As a Software Development Engineer within ACTI ... and reliability * Design and implement distributed systems that process petabytes of security data * Lead the development of service-oriented architectures that… more
    Amazon (12/04/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Springfield, VA)
    …obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team of ... battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our… more
    V2X (11/25/25)
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  • Building Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...commercial markets. Nightwing is seeking a motivated Facilities Building Engineer to join our team. The Building Engineer more
    Nightwing (11/14/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Scientist, Systems Engineer Job Code: 28926 Job Location: ... is available to qualified applicants Job Description: The Advanced Concept Engineer (ACE) provides strategic technical leadership to draw on L3Harris' technical… more
    L3Harris (10/05/25)
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  • Sr. Scientist - Systems Engineering - Program…

    L3Harris (Ashburn, VA)
    …Based System Engineering (MBSE), and System Simulation * Thorough understanding of Cyber Security best practices * Competency making decisions with imperfect ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security...Description: The Sr. Scientist - Systems Engineering, Program Chief Engineer for the Precision Attack Strike Munition (PASM) will… more
    L3Harris (12/04/25)
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