• Information Security Systems…

    BAE Systems (Herndon, VA)
    …**Required Education, Experience, & Skills** We are actively seeking an Information Systems Security Engineer (ISSE) with a minimum of 11 years' experience with ... controls that support the Risk Management Framework (RMF) and ICD 503 Security Accreditation + Developing architecture documentation and Systems Security more
    BAE Systems (12/10/25)
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  • Senior Principal Security Engineer

    Oracle (Richmond, VA)
    …we looking for?** The OCI Core Services organization is looking for a Senior Principal Security Engineer that will be the technical security leader for OCI's ... our engineering organizations on secure design, threat modeling, and security architecture of new features; establish ...+ Prior role as a Principal or Senior Principal Security Engineer at a major cloud provider… more
    Oracle (11/25/25)
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  • Security Engineer (Wiz and TVM…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The Security ... for tailored risk views. + Track progress against regulatory and internal security baselines (eg, CIS Benchmarks). + Operate and maintain vulnerability scanning… more
    Leidos (11/25/25)
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  • Lead Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Lead Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... section grows, so will the tools and the **Lead Security Engineer ** will be the person charged...or services and collaborate with other teams to adjust security configurations and architecture + Facilitate quarterly… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a ... professionals with strong technical expertise and a desire to shape the security infrastructure of the future. **Responsibilities include but are not limited to:**… more
    ManTech (12/13/25)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …and agility with a cloud-first strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management engineer ... our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries.… more
    Zscaler (10/11/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …and management of firewalls and IDS/IPS technologies. **Overview** We are seeking a Network Security Engineer III to join our team supporting Department of Navy. ... + Design, implement, and maintain secure network infrastructure, enforcing security controls across hardware, software, and network components. + Conduct… more
    TekSynap (12/30/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the ... alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems. **Responsibilities include but are not limited… more
    ManTech (12/13/25)
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  • R & D Architect Support Engineer /Systems…

    KBR (Chantilly, VA)
    Title: R & D Architect Support Engineer /Systems Engineer Belong. Connect. Grow. with KBR! KBR is seeking aR&D Architect Support Engineer /Systems Engineer ... in designing and optimizing defense systems that ensure national security and shape the future of space defense. Key...projects for impact on the existing and planned system architecture + Systems: Assist in ensuring decisions about AGG… more
    KBR (12/29/25)
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  • Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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