• Cleared Information Systems Security

    Virtual Service Operations (Lorton, VA)
    …and compliance gaps. + Engineer unique cybersecurity solutions to support Cyber Threat and Defensive Operations. + Automate security monitoring, threat ... Cleared Information Systems Security Engineer (ISSE) L3 * Lorton,...and sustainment of secure enclaves, providing enterprise services and cyber network defense capabilities. As an ISSE,… more
    Virtual Service Operations (01/02/26)
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  • Information System Security Engineer

    Applied Research Solutions (Dayton, OH)
    **Description** ARS is currently looking for an Information System Security Engineer (ISSE). Our desire is to build a team of highly qualified professionals that ... ACAS, Azure Automation, STIG/SCAP, and other enterprise capabilities. The Information Systems Security Engineer (ISSE) shall perform, or review, technical … more
    Applied Research Solutions (12/04/25)
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  • ACAS Engineer - Active Top Secret Clearance…

    ENS Solutions (College Park, MD)
    …computer systems. Engineer , design, develop, and implement enterprise network cyber defense capabilities to prevent sophisticated cyber threats. ... with the utilization, configuration, and implementation of cyber defense capabilities, including web content filters, email security capabilities,… more
    ENS Solutions (12/27/25)
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  • Information Systems Security

    Nightwing (Sterling, VA)
    …services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission...is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our DevSecOps… more
    Nightwing (12/30/25)
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  • Sr. DOT Innovation & Deployment SME - Atma…

    Kratos Defense & Security Solutions, Inc. (Fort Walton Beach, FL)
    defense technology company focused on uncrewed systems, satellite communications, cyber security /warfare, microwave electronics, missile defense , ... Job Descriptions: Kratos Defense & Security Solutions, Inc., is...10+ years DOT experience; prior role as Supervising Transportation Engineer (or equivalent) strongly preferred + Direct familiarity with… more
    Kratos Defense & Security Solutions, Inc. (01/18/26)
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  • Information System Security Engineer

    KBR (Beavercreek, OH)
    Title: Information System Security Engineer (ISSE) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and...is seeking a highly skilled and experienced Information Systems Security Engineer (ISSE) to support the Aerial… more
    KBR (12/29/25)
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  • Lead, Information Security Systems…

    L3Harris (Clifton, NJ)
    … domains in the interest of national security . Job Title: Anti-Tamper System Security Engineer (Secret Security Clearance) Job Code: 32319 Job Location: ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance with NIST...Additional Skills: + Experience in configuration and use of cyber defense and vulnerability assessment tools such… more
    L3Harris (12/20/25)
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  • Cleared Senior Information Systems Security

    Virtual Service Operations (Lorton, VA)
    …and cyber network defense capabilities. As aSenior Information System Security Engineer (ISSE), you will provide expert engineering support to ensure the ... Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton,...vulnerabilities, compliance gaps, and recommend mitigations. + Architect and engineer innovative solutions to support ongoing Cyber more
    Virtual Service Operations (11/09/25)
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  • Senior Consulting Systems Engineer

    World Wide Technology (Fort Meade, MD)
    …+ Experience supporting PMW 130, Fleet Cyber Command (FCC), and Navy Cyber Defense Operations Command (NCDOC) mission areas preferred. + Certain states and ... Design, present, and demonstrate Zero Trust Architectures, Threat Hunting models, Network Security , and Cyber Analytics solutions. + Provide technical guidance… more
    World Wide Technology (12/09/25)
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  • Sr. Information Systems Security Officer…

    Huntington Ingalls Industries (Albuquerque, NM)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $128,674.00 - $145,000.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...its fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and… more
    Huntington Ingalls Industries (01/01/26)
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