• 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 (12/20/25)
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  • Senior Systems Engineer

    Chenega Corporation (Fort Meade, 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 (12/13/25)
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  • Sr. Sales Engineer - Federal |

    Optiv (Washington, DC)
    Optiv+ClearShark has an opportunity available for a full time Sr. System Engineer to support our Federal customer base. Qualified candidates must have strong ... 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 (12/05/25)
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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 (11/09/25)
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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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  • 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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  • Systems Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …Unified Device Architecture ( CUDA ) sof tware stacks + Experience supporting national cyber missions in offensive or defensive capacities, including USCC or the ... Systems Engineer , Senior The Opportunity: Are you looking for...to use your technical expertise in support of cyberspace operations ? As a Systems Administrator, you'll have the chance… more
    BOOZ, ALLEN & HAMILTON, INC. (12/07/25)
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  • Embedded Systems Security Engineer

    Huntington Ingalls Industries (Dayton, OH)
    …electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and ... Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to...reverse engineering experience is a plus + Experience with Defensive Cyber technologies and techniques is a… more
    Huntington Ingalls Industries (12/11/25)
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  • Software Engineer (SWE-2)

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... Responsibilities/Qualifications:** + **Mission Focus:** Develop solutions in support of Defensive Cybersecurity Operations . Develop prototypes, answering new… more
    Leidos (12/16/25)
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  • Principal Security Engineer

    Microsoft Corporation (Redmond, WA)
    …threats, ensuring the security and resilience of Microsoft. As a Principal Security Engineer you will lead operations and collaborate with other experienced red ... to assess the security of services + Execute and lead Red Team operations using real world adversarial tactics and techniques to validate a production service's… more
    Microsoft Corporation (12/12/25)
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