• Lead Security Engineer

    Leidos (VA)
    …IT infrastructure, automate workloads, and pursue next-generation innovation. We are seeking a Security Engineer to serve as a technical leader for our critical ... into every phase of the System Development Life Cycle (SDLC). As the **Senior Security Engineer ** , you will define the security posture, lead… more
    Leidos (12/20/25)
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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …worldwide DDoS threats and issue posture and assessment reports This Lead Information Security Engineer position operates in a supportive role implementing ... event management functions - monitoring, detection, triage of security events and alerts in associated monitoring systems...for the Lumen managed DDoS product. The Lead Information Security Engineer is expected to perform as… more
    Lumen (12/10/25)
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  • Sepio Security Engineer

    Leidos (Arlington, VA)
    …remediation and recommending mitigation strategies. + Monitoring & Incident Response: Monitor security systems for irregular behavior and participate in incident ... We are seeking a highly skilled and motivated Sepio Engineer to join our cybersecurity team. In this pivotal...you will be responsible for designing, implementing, and maintaining security measures, with a specific focus on leveraging the… more
    Leidos (11/25/25)
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  • Assistant Chief Test Engineer

    HII (Newport News, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $85,686.00 - $92,206.40 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft… more
    HII (12/17/25)
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  • Systems Engineer - Research…

    KBR (Chantilly, VA)
    Title: Systems Engineer - Research and Development - Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...future of space defense. KBR is seeking a Senior Systems Engineer to support our customers in… more
    KBR (10/29/25)
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  • Systems Development Engineer I, AWS…

    Amazon (Herndon, VA)
    …has the entrepreneurial feel of a start-up. This is an opportunity to operate and engineer systems on a massive scale, and to gain top-notch experience in cloud ... for Government, Storage Services team is hiring a cleared Systems Development Engineer to join the team....currently possess and maintain an active TS/SCI with polygraph security clearance. The position further requires that, after start,… more
    Amazon (10/04/25)
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  • Network Engineer (Expert)

    BAE Systems (Herndon, VA)
    Security , CCNP Security , Palo Alto Networks Certified Network Security Engineer (PCNSE), or similar industry certifications are preferred **Pay ... provides engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to… more
    BAE Systems (12/20/25)
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  • Security Engineer - Secure Software…

    Sedgwick (Richmond, VA)
    …as a Great Place to Work(R) Fortune Best Workplaces in Financial Services & Insurance Security Engineer - Secure Software Development Security Engineer - ... measures to protect company data, networks, and computer systems . To focus on executing security fundamentals...and computer systems . To focus on executing security fundamentals for threat detection, investigation, and response efforts.… more
    Sedgwick (12/10/25)
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  • Cloud Security Engineer

    Steampunk (Mclean, VA)
    **Overview** As a **Cloud Security Engineer ** , you will work within our growing DevSecOps practice delivering features to support developing, testing, and ... + Microsoft Certified Azure Administrator Associate + Certified Information Systems Security Professional (CISSP) **About** **steampunk** Steampunk relies… more
    Steampunk (11/29/25)
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  • 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 ... + 6 years of total experience in a technical role such as security , networking, systems , or software development + Security certification such as OSEP, OSCP,… more
    CoStar Realty Information, Inc. (11/24/25)
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