• RF Systems Engineer (Principal…

    Mission Support and Test Services (Goleta, CA)
    …national security requirements. NNSS-STL is seeking outstanding candidates for an RF Systems Engineer position to work at STL located in Santa Barbara, CA. ... STL's core portfolios in Dynamic Experiments, Nonproliferation Research and Development, Cyber Physical Defense, and Strategic Systems and Intelligence in… more
    Mission Support and Test Services (11/13/25)
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  • Sr. Security Research Engineer

    Proofpoint (Raleigh, NC)
    …trust us as a security partner. **The Role** The Role As a Sr. Security Research Engineer on Proofpoint's Threat Research team, you'll be part of a ... problem-solving **Exceptional** in execution and impact **Corporate Overview** In today's cyber threat landscape, protection starts with people. At Proofpoint, that… more
    Proofpoint (12/09/25)
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  • Senior/Principal Cybersecurity Engineer

    Sandia National Laboratories (Albuquerque, NM)
    …able to prioritize and execute in a principled and focused manner About Our Team: The Cyber Systems Security R&D Department is a forward-looking security ... hardware + RF (radiofrequency) signal analysis + Mobile/cellular protocols, operating systems , and applications security + Well-developed leadership skills and… more
    Sandia National Laboratories (01/10/26)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …industries. We are seeking a **System Engineer 4** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic ... of experience is required with the provision of SE services for physical security systems and IT solutions. + Experience eliciting requirements, conducting… more
    M. C. Dean (12/30/25)
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  • Senior Embedded Software Engineer , Amazon…

    Amazon (San Diego, CA)
    …reviews, and designing defensive measures to protect satellite systems from cyber threats * Design and implement robust, security -hardened software and ... protocols and encryption implementations - Knowledge of telecommunications or data communications systems security (routers and switches) - Experience with … more
    Amazon (11/21/25)
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  • Systems Engineer Senior

    General Dynamics Information Technology (Macdill AFB, FL)
    …how our customers operate while you advance your career. Join GDIT as a Systems Engineer Senior and build an impactful career in enterprise IT, collaborating ... who are driven and resourceful like you. **MEANINGFUL WORK AND PERSONAL IMPACT** As a Systems Engineer Senior, the work you'll do at GDIT will be impactful to… more
    General Dynamics Information Technology (10/21/25)
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  • Chief Test Engineer ( Engineer

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $148,122.00 - $190,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior This ... opportunity resides with Global Security (GS). Mission Technologies' Global Security (GS)...fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft… more
    Huntington Ingalls Industries (12/18/25)
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  • Sr. Air Combat Systems Test Engineer

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Job Description HII Mission Technologies Division is seeking a Senior Air Combat Systems Test Engineer to work on a team executing integration efforts ... Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $120,000.00 - $170,000.00 Security Clearance: Top Secret Level of Experience: Senior Meet HII's… more
    Huntington Ingalls Industries (01/15/26)
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  • Systems Engineer

    Nightwing (Annapolis Junction, MD)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our ... has been providing some of the world's most technically advanced full-spectrum cyber , data operations, systems integration and intelligence support services to… more
    Nightwing (12/22/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    **Description** Seeking a Senior Systems /Network Engineer , working with a diverse team of contractors, government personnel and subject matter experts, focused ... on creating and recognizing targeting opportunities and strategies in the cyber -realm. The ideal candidate should be self-motivated and excel in independent and… more
    SAIC (12/06/25)
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