• Lead Cyber Security Engineer

    The MITRE Corporation (Mclean, VA)
    …government personnel + Advise and influence on cyber operations vision + Engineer innovative tactics, techniques, and procedures to ensure resiliency in the face ... demonstrated knowledge of systems engineering and familiarity with cyber security processes and tools. + Track record of innovative...+ Must have minimum of DoD TS/SCI with Polygraph clearance + Proficiency in use of Microsoft Office including… more
    The MITRE Corporation (08/08/25)
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  • Network Security Engineer

    GovCIO (Richmond, VA)
    **Overview** GovCIO is currently hiring for a Network Security Engineer with an active Secret clearance to lead the architecture, engineering, integration, ... Mobile, and VPN networks. **Qualifications** + Bachelor's with 15+ years network security (or commensurate experience) + Active Secret Clearance Required, plus… more
    GovCIO (08/02/25)
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  • Software Development Engineer , Cross…

    Amazon (Herndon, VA)
    …States Citizen. The candidate selected must be eligible to obtain and maintain a security clearance at the TS/SCI with polygraph level. 10012 Key job ... Description Are you a Software Engineer who is passionate about data and automation?...React.JS, AngularJS, Vue, TypeScript) - Current, active US Government Security Clearance of Top Secret or above… more
    Amazon (06/17/25)
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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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  • 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 ... US * * * **The Opportunity:** At CACI we enable national security missions through creation and delivery of innovative, technology-centric solutions that provide… more
    CACI International (07/30/25)
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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: ... 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 ... DISN) and conduct quality assurance of all VA, IA security engineering analysis, QA, systems and application security...in lieu of degree. + Active DoD Top Secret clearance with SCI eligibility required + DoD 8570 IAM… more
    Leidos (07/10/25)
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  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …concepts, implementation, and operations associated with DevSecOps in an enterprise environment Security Clearance : The position requires US Citizenship and an ... battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our… more
    V2X (08/07/25)
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  • Junior Offensive Security Engineer

    ManTech (Quantico, VA)
    MANTECH seeks a **Junior Offensive Cyber Engineer ** to perform analysis of cybersecurity packages using the Risk Management Framework (RMF) process to achieve an ... do hands-on work. + Ensure system documentation reflects current system security configurations to include hardware and software components, data flow,… more
    ManTech (08/08/25)
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