• Senior Information System Security

    ManTech (Chantilly, VA)
    …is seeking a motivated, career and customer -oriented **Senior Information System Security Engineer (ISSE)** to join our team **in Chantilly, VA.** ... an IS and Network Environment. + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. Design security more
    ManTech (07/03/25)
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  • Senior Systems Security Engineer

    First Division Consulting (Dahlgren, VA)
    …on contract award Position Overview: First Division Consulting is seeking a Senior Systems Security Engineer to support a Department of the Navy (DoN) ... customer in Dahlgren, VA. This role provides technical oversight...in Dahlgren, VA. This role provides technical oversight of security and systems administration, including designing, installing, configuring, troubleshooting,… more
    First Division Consulting (06/19/25)
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  • Cyber Security Integration Engineer

    CACI International (Fairfax, VA)
    …prosperity. Our warfighters are on the front lines, every day, protecting our national security from the increasingly sophisticated and complex threats of our ... Cyber Security Integration Engineer Job Category: Engineering...be part of a high-performing group dedicated to our customer 's missions and driven by a higher purpose -… more
    CACI International (07/11/25)
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  • Information System Security Engineer

    CACI International (Sterling, VA)
    Information System Security Engineer - ISSE Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Travel: Continental US * * * **The Opportunity:** At CACI we enable national security missions through creation and delivery of innovative, technology-centric… more
    CACI International (07/30/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and customer -focused **Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... + Supporting Assessment and Authorization activities related to network security technologies, as applicable **Minimum Qualifications:** + Bachelor's degree, or… more
    ManTech (08/08/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    Mantech seeks a motivated and customer -focused **Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... . Supporting Assessment and Authorization activities related to network security technologies, as applicable **Minimum Qualifications:** . Bachelor's degree, or… more
    ManTech (08/08/25)
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  • Security Operations Engineer II

    Quality Technology Services, LLC (Ashburn, VA)
    …of enterprise-level security infrastructure. **The Impact You Will Have:** As a Security Operations Engineer II, you will lead the day-to-day operations of ... Are:** You are someone who thrives in managing and supporting physical security systems and applications. You bring technical expertise, a collaborative spirit, and… more
    Quality Technology Services, LLC (06/21/25)
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  • Tenable Security Engineer

    NANA Regional Corporation (Alexandria, VA)
    …self-directed and experienced individual to fill the role of a Tenable Security Engineer for our existing government client in the Alexandria/Kingstown, ... **Responsibilities** + Support day-to-day Administrative and Operational activities for Security services. + Experience with maintaining, optimizing, and troubleshooting… more
    NANA Regional Corporation (08/08/25)
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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 (08/08/25)
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  • Security Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can ... but partial telework may be available at the discretion of our customer and program management. Responsibilities: + Ensure compliance with DoD-approved standards,… more
    Leidos (07/10/25)
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