• Information System Security Representative…

    RedTrace Technologies Inc (Washington, DC)
    …+ Provide a recommendation to the Authorizing Official, in consultation with the system owner, regarding systems ' impact levels and ISs' authorization boundary + ... and metrics, Assessment and Authorization (A&A), Vulnerability Management, and Cyber Defense support. Position Description: We are seeking an Information… more
    RedTrace Technologies Inc (12/09/25)
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  • Senior Information System Security Engineer

    ManTech (Huntsville, AL)
    …network system (s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for the IS and ... **MANTECH** seek a motivated, career and customer-oriented **Senior Information System Security Engineer** to join our team in **Washington, DC, Quantico, Chantilly,… more
    ManTech (11/06/25)
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  • Systems Engineer (Engineer Systems

    HII (Suffolk, VA)
    …its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures ... customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation… more
    HII (12/18/25)
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  • Computer Systems Engineer

    CAE USA INC (Tampa, FL)
    …and having fun! Summary A computer systems engineer in the Computer Systems and Cyber Security group is responsible for the integration and maintenance ... systems . (Linux, Windows) + Experience writing detailed operating system , and application installation instructions + Experience with operating system more
    CAE USA INC (12/16/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …of secure enclaves at the edge. You'll deliver enterprise services and cyber network defense capabilities. As aSenior Information System Security Engineer ... Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA...+ Architect and engineer innovative solutions to support ongoing Cyber Threat and Defensive Operations. + Provide functional expertise… more
    Virtual Service Operations (11/09/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    Paragon Cyber Solutions has an immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and ... Configuration and implementation of the SEWS GCCS-J software and systems , GCCS-J courseware development, providing SEWS specific GCCS-J Operator...training to US and FMS personnel, as well as system support to the local Colorado Springs, NATO, and… more
    Paragon Cyber Solutions (10/11/25)
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  • ACAS Engineer - Active Top Secret Clearance…

    ENS Solutions (Washington, DC)
    …computer systems . Engineer, design, develop, and implement enterprise network cyber defense capabilities to prevent sophisticated cyber threats. Understand ... filters, email security capabilities, Intrusion Detection System , Intrusion Prevention System , Host Based Security Systems , Security Incident and Event… more
    ENS Solutions (11/06/25)
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  • Systems Administrator

    KBR (Honolulu County, HI)
    Title: Systems Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. .… more
    KBR (12/04/25)
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  • IT Cybersecurity Specialist (Infosec)

    US Air Force - Agency Wide (Lackland AFB, TX)
    …expert, and/or team member at the Senior experience level on a CPT conducting cyber defense analysis and security investigations on complex networks and system ... and assessments of mission partner defense capabilities on complex networks and system architectures. Serves as a functional expert, and/or team member at the… more
    US Air Force - Agency Wide (12/20/25)
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  • Sr. Specialist, System Administration

    L3Harris (Clifton, NJ)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Specialist, ... System Administration Job Code: 31015 Job Location: Clifton, NJ...for managing both desktop and server environments, requiring comprehensive systems administration skills with extensive knowledge of Windows and… more
    L3Harris (11/08/25)
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