• 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** . Senior Cyber Security ... of cybersecurity frameworks and best practices + Familiarity with cloud security and virtualized infrastructure technologies + Ability to troubleshoot… more
    ManTech (12/11/25)
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  • SME Zero Trust Security Engineer

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a **Zero Trust Security Engineer ** to join our team, supporting a critical program with the US Coast Guard. This position ... VA and will be a hybrid remote position. **Responsibilities** The Zero Trust Security Engineer will be responsible for leading the strategic implementation and… more
    GovCIO (11/18/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... with red-team experts to evaluate IT environments and identify security goals, vulnerabilities, objectives, and requirements + Perform cybersecurity operations… more
    CACI International (11/07/25)
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  • Information System Security Engineer

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned ... Polygraph Timeline Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer (ISSE) with Poygraph supporting ourNational … more
    Assertive Professionals (01/07/26)
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  • Security Engineer - Continuous…

    Insight Global (Mclean, VA)
    Job Description The Security Engineer - Continuous Diagnostics and Mitigation (CDM) is responsible for designing, implementing, integrating, and maintaining ... enabling real-time risk awareness across on-premises and cloud environments. The Security Engineer works closely with cybersecurity operations, system owners,… more
    Insight Global (01/06/26)
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  • Endpoint Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Endpoint Security Engineer Key Role: Design, deploy, manage, and operationalize enterprise endpoint data protection controls as a Trellix Endpoint Data Loss ... Prevention ( DLP ) Engineer . Serve as the technical owner for Trellix EDR...Build an enterprise-grade data protection program with visibility across security leadership, risk, and operational teams. Lead enterprise deployment,… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Edge Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Edge Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... in real estate. We are seeking a skilled **Edge Security Engineer ** to join our Product ...including behavioral analysis and AI-based solutions. + Scripting and Infrastructure as code proficiency (Python, Terraform, Ansible, etc) for… more
    CoStar Realty Information, Inc. (12/18/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    **Description** The Digital Modernization Sector at Leidos currently has an opening for a Security Engineer to work in our Lorton, VA office. This is an exciting ... to deliver cybersecurity and information assurance services. **Primary Responsibilities** The Security Engineer - Linux / Tenable Compliance is responsible for… more
    Leidos (12/11/25)
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  • Information System Security Engineer

    Amentum (Warrenton, VA)
    …space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals in Warrenton, ... change. **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are not limited to, the… more
    Amentum (12/05/25)
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  • Software Developer Engineer , Amazon Leo…

    Amazon (Arlington, VA)
    …admitted into the US as a refugee or granted asylum. LSA (Leo Security Assurance) encompasses key functions that support compliance, audit readiness, and operational ... activities. Our team is at the forefront of enabling security and compliance at scale across Amazon Leo. We...audit-readiness into their products and operations. As a Software Engineer on the LSA team, you will play a… more
    Amazon (11/25/25)
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