• Cybersecurity Engineer 3

    Themis Insight (Annapolis Junction, MD)
    …candidate will coordinate directly with the government in developing offensive and defensive cyber capabilities in support of full spectrum military cyberspace ... Level I and II Experience: Minimum 15 years of experience as a Cyberspace Operations Engineer or related functional field with a Bachelor's degree in Computer… more
    Themis Insight (09/21/25)
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  • Senior Systems Engineer

    Chenega Corporation (Annapolis, MD)
    …Astraeus offers highly competitive labor rates to fulfill day-to-day contract operations . The **Senior Systems Engineer ** provides advanced systems engineering ... supporting cyberspace capability development. + 5+ years of experience with Defensive Cyberspace Operations (DCO), including adversary detection, intrusion… more
    Chenega Corporation (09/09/25)
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  • Detection Engineer

    Adapt Forward (North Charleston, SC)
    …tools based on indicator lifecycle analysis. The Detection Engineer collaborates with Defensive Cyber Operations (DCO) Watch Analysts and other teams to ... Detection Engineer Charleston, SC - Full Time Minimum Secret...for designing, developing, and implementing detection mechanisms to identify cyber threats within a Cybersecurity Service Provider (CSSP) environment.… more
    Adapt Forward (09/15/25)
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  • Field Engineer - Travel

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations , systems integration and intelligence mission support services to meet our ... customers' most demanding challenges. Our capabilities include cyber space operations , cyber defense...Security. Personnel may be required to carry weapons for defensive purposes. Customer specific training is required and will… more
    Nightwing (10/13/25)
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  • Field Engineer - Travel

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations , systems integration and intelligence mission support services to meet our ... customers' most demanding challenges. Our capabilities include cyber space operations , cyber defense...Security. Personnel may be required to carry weapons for defensive purposes. Customer specific training is required and will… more
    Nightwing (09/22/25)
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  • Sr. Sales Engineer - TS/SCI with FS Poly…

    Optiv (Baltimore, MD)
    …Optiv + ClearShark has an opportunity available for a full time Sr. Sales Engineer (SE) to support our sales efforts for the DISA/4th Estate territory. Qualified ... specialist and experts, the Senior SE will drive thought leadership and inspired cyber security solutions powered by our ecosystem of people, products, and partners.… more
    Optiv (10/04/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …mitigations. + Architect and engineer innovative solutions to support ongoing Cyber Threat and Defensive Operations . + Provide functional expertise ... Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the… more
    Virtual Service Operations (10/04/25)
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  • Cybersecurity Engineer III - Top Secret…

    Cambridge International Systems Inc (Charleston, SC)
    …and critical challenges in defense and security. We are currently seeking a Cybersecurity Engineer III to support operations in Charleston, SC. This is a ... Cybersecurity Engineer III - Top Secret Clearance | Charleston,...Stay current with threat trends, emerging vulnerabilities, and advanced defensive technologies. + Incorporate AI and machine learning where… more
    Cambridge International Systems Inc (09/05/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Melbourne, FL)
    …and frameworks for developing intelligent systems and automating processes + Offensive and defensive Cyber mission experience with the ability to identify core ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 29634 Job Location: Melbourne, FL Job… more
    L3Harris (10/05/25)
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  • System Engineer Principal Uscybercom SETA…

    Sciolex Corporation (Chantilly, VA)
    …+ Support efforts regarding Space Cyber Vulnerabilities assessments and development of Defensive Cyber Policy for the NRO + Work to expand develop NRO ... on NRO multi-INT and multi-domain tools that enable IC and DoD cyber operations and analytical efficiency. + Provide daily ops issues/impacts to customers. +… more
    Sciolex Corporation (10/14/25)
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