• Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor cutting-edge solutions to ... a wide range of devices. HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL MAKE AN IMPACT +...Operate (ATO). + Offers technical engineering services for the support of integrated security systems andsolutions, managing… more
    General Dynamics Information Technology (11/21/25)
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  • Cyber Security Engineer IV

    SOS International LLC (Reston, VA)
    …International in Reston, VA. This role strengthens SOSi's enterprise and customer -facing security posture across on-prem, Microsoft 365/Azure, and multi-cloud ... identity, and cloud workloads aligned with zero-trust principles. + Cloud Security : Engineer guardrails (policies, blueprints, landing zones), encryption,… more
    SOS International LLC (12/31/25)
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  • Endpoint Security Engineer Lead…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. ... members to ensure that systems are functional, secure, and scalable. The Security Engineer will support the design and development of cybersecurity tools… more
    Leidos (11/25/25)
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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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  • Information Systems Security

    BAE Systems (Springfield, VA)
    …you hone your skills and grow in your career. We are seeking a Information Systems Security Engineer (ISSE) to add their skills to our Acadia team in support ... ISSE, you will: + Prepare, maintain and implement System Security Plans that accurately depict the customer ...based on position level and/or job specifics. **Information Systems Security Engineer (ISSE)** **115694BR** EEO Career Site… more
    BAE Systems (01/09/26)
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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, ... The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are not...information systems. throughout the system development life cycle to support the generation of the security engineering… more
    Amentum (12/05/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    …research and implementation of enterprise-wide cybersecurity solutions/capabilities/enhancements to support customer business/mission goals and objectives. + ... Cyber Security Implementation Engineer Job Category: Engineering...operate/sustain, and enhance NGA networks and cybersecurity posture in support of national security . Joining the TCS… more
    CACI International (11/14/25)
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  • Lead, Information Security Systems…

    L3Harris (Ashburn, VA)
    …domains in the interest of national security . Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance) Job Code: 30715 Job Location: ... software selection and approval processes for COTS, GOTS, and FOSS. + Support security engineering activities, including basis of estimate development,… more
    L3Harris (11/01/25)
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  • Security Engineer /Architect…

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …during the interview process. Job Description Enlighten is looking for a Security Engineer /Architect. Candidate will be required to understand and document ... security planning, assessment, risk analysis, and risk management support . + Recommend system-level solutions to resolve security...+ 9+ years of experience as an ISSE or security -focused software / systems engineer with large… more
    Huntington Ingalls Industries (12/12/25)
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  • Engineer , Information Security

    Cardinal Health (Richmond, VA)
    …and data solutions. Working to be healthcare's most trusted partner, our customer -centric focus drives continuous improvement and leads to innovative solutions that ... solutions and strategies that enable operations and drive business value. **Information Security and Risk** develops, implements, and enforces security controls… more
    Cardinal Health (11/21/25)
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