• Information Assurance Engineer /ISSO

    CACI International (Sterling, VA)
    Information Assurance Engineer /ISSO Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... system owners to resolve findings and answer questions.** + **Perform cybersecurity review and validation services for cybersecurity authorization deliverables… more
    CACI International (01/13/26)
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  • Full Stack Infrastructure Engineer

    System One (Herndon, VA)
    Full Stack Infrastructure Engineer Dulles, VA - onsite Secret Clearance is required to start This role involves contributing to the design, development, and ... deployment of advanced cybersecurity capabilities to support CISA's mission today and into...focusing on the design, testing, and implementation of advanced cybersecurity software solutions. * Oversee and maintain production systems… more
    System One (01/13/26)
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  • Federal Incident Response Lead (Principal…

    Zscaler (Mclean, VA)
    …you to bring your talents to Zscaler to help shape the future of cybersecurity . We are looking for a Federal Incident Response Lead (Principal Information Security ... Engineer ) to join our team. This is a full-time...Out (Preferred Qualifications)** + Bachelor's degree in Computer Science, Cybersecurity , or a related field + Have or be… more
    Zscaler (01/11/26)
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  • Senior Information Systems Security…

    Amentum (Warrenton, VA)
    …**Responsibilities:** The duties and responsibilities of the **Senior Information System Security Engineer (ISSE)** include, but are not limited to, the following: + ... responsible for maintaining the test and operational environments to include all cybersecurity tool sets and collaborating with systems and network engineers. + Use… more
    Amentum (01/09/26)
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  • Full Stack Infrastructure Engineer

    Nightwing (Sterling, VA)
    …Offense and Defense Experts (CODEX) is seeking a skilled Full Stack Infrastructure Engineer with expertise and focus on automated patching and security updates in ... contributor, focusing on the design, testing, and implementation of advanced cybersecurity software solutions. + Oversee and maintain production systems in an… more
    Nightwing (01/07/26)
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  • Field Utility Engineer

    Nightwing (Sterling, VA)
    …civil, and commercial markets. Nightwing is seeking an experienced and cleared Field Utility Engineer in support of the US Government in the Warrenton, VA area. The ... on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing...on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing… more
    Nightwing (01/01/26)
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  • Illumio Zero Trust Segmentation Platform…

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Illumio Zero Trust Segmentation Platform Engineer Key Role: Lead the design, deployment, configuration, and optimization of Illumio Core and Illumio Edge across ... security playbooks. Basic Qualifications: + 5+ years of experience in cybersecurity , cloud security, or infrastructure engineering + 3+ years of experience… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Intel Cyber Engineer

    TekSynap (Virginia Beach, VA)
    …review, and maintain STIG checklists for completeness and ensure alignment with cybersecurity policy requirements. + Develop and manage Plans of Actions and ... and executing Assessment Test Plans (ATPs). **Overview** We are seeking an Intel Cyber Engineer to join our team supporting Department of Navy. TekSynap is a fast… more
    TekSynap (12/30/25)
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  • Arkime Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Arkime Engineer Key Role: Architect, deploy, and configure Arkime clusters, capture nodes, viewer nodes, and storage subsystems. Design packet capture strategies ... and operations teams. Basic Qualifications: + 5+ years of experience in cybersecurity , network security engineering, or security operations + Experience in packet… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Network Engineer

    System One (Mclean, VA)
    Job Title: Network Engineer Location: Arlington, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Active Top Secret Duties and ... Ensure secure configuration of network infrastructure in accordance with DoD cybersecurity policies. + Maintain and update as-built cabling/fiber documentation and… more
    System One (12/26/25)
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