• Lead, Information Security Systems Engineer

    L3Harris (Ashburn, VA)
    …in the interest of national security. Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance) Job Code: 30715 Job Location: Ashburn, VA Job ... activities. + Use DoD 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance with NIST 800-160. + Develop and… more
    L3Harris (11/01/25)
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  • Mid-Level Enterprise Architecture Engineer

    KBR (Chantilly, VA)
    Title: Mid-Level Enterprise Architecture Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (10/21/25)
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  • Cloud Computing Engineer SME

    KBR (Chantilly, VA)
    Title: Cloud Computing Engineer SME Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (10/21/25)
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  • Engineer / Solutions Architect

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for an experienced and highly skilled Engineer / Solutions Architect with an active Secret clearance to provide strategic ... with stakeholders + Design, implement, and align solution architectures with Data and Enterprise Architecture standards, ensuring compliance and modernization + Lead… more
    GovCIO (01/06/26)
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  • Senior Service Engineer - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity , or related field AND 3+ ... Microsoft has an exciting opportunity for a Senior Service Engineer to join the Azure Silver and Sovereign Team...problems in the domain of mission-critical distributed systems spanning data transmission across clouds. Our team works across all… more
    Microsoft Corporation (12/11/25)
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  • Plant Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing… more
    Nightwing (10/23/25)
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  • Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. ... talents to Zscaler and help shape the future of cybersecurity . We are looking for a Federal Security Platforms...for a Federal Security Platforms Lead (Principal Information Security Engineer ) to join our Enterprise Security team. This is… more
    Zscaler (01/11/26)
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  • Cloud Engineer 3

    Huntington Ingalls Industries (Suffolk, VA)
    …Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government ... customers. Our capabilities range from C5ISR, AI and Big Data , cyber operations and synthetic training environments to fleet...Technologies, a division of HII, is seeking a Cloud Engineer 3 to support the Joint Training Synthetic Environment… more
    Huntington Ingalls Industries (01/06/26)
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  • RF Spectrum Policy Engineer , Lead

    Huntington Ingalls Industries (Arlington, VA)
    …in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity , network architecture, reverse engineering, software and hardware development ... leading the next evolution of national defense - the data evolution - by accelerating a breadth of national...HII, Mission Technologies is seeking an RF Spectrum Policy Engineer , Lead to provide direct support to our government… more
    Huntington Ingalls Industries (12/12/25)
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  • Security Engineer I, Threat Hunting,…

    Amazon (Arlington, VA)
    Description Amazon's Threat Hunting team is looking for a Security Engineer , Threat Hunting who is excited by the idea of searching for and uncovering undetected ... or granted asylum. Key job responsibilities - You will query and evaluate machine data for evidence of potentially damaging threat activities which pose a risk to… more
    Amazon (11/27/25)
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