• Nuclear Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Nuclear Engineer , Senior Key Role: Provide nuclear weapons effects subject matter expertise to client research and development (R&D) modeling and simulation ... supervisors or managers. Basic Qualifications: + 8+ years of experience with systems engineering approaches to nuclear weapons effects or development and use of… more
    BOOZ, ALLEN & HAMILTON, INC. (12/20/25)
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  • Network Engineer Senior

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure ... years of related experience **US Citizenship Required:** Yes **Job Description:** NETWORK ENGINEER SR PRINCIPAL Transform technology into opportunity as a Network … more
    General Dynamics Information Technology (11/25/25)
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  • Engineer Senior Principal II RF…

    BAE Systems (Broomfield, CO)
    …Other incentives may be available based on position level and/or job specifics. ** Engineer Senior Principal II RF Payload Architect** **118135BR** EEO Career ... **Job Description** This position is for an experienced engineer , scientist or physicist to provide engineering leadership for remote sensing payload development… more
    BAE Systems (11/10/25)
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  • Project Engineer - Senior

    Lockheed Martin (Cape Canaveral, FL)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... assembly, test, and maintenance\. The incumbent will act as the project engineer for data products, ensuring they are delivered on\-time, on\-budget, and to… more
    Lockheed Martin (12/24/25)
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  • Senior Aerospace Engineer

    First Division Consulting (St. Mary's County, MD)
    …Master's degree in an Engineering discipline. Security Clearance Level: Active Top Secret Clearance required. Benefits Medical, dental, vision, life ... to read below and join the FirstDiv team! First Division Consulting is seeking a Senior Aerospace Engineer to support a Department of the Navy (DoN) customer at… more
    First Division Consulting (11/19/25)
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  • Senior Modeling & Simulation Operations…

    RTX Corporation (El Segundo, CA)
    …Modeling & Simulation experience in the defense industry **Qualifications We Prefer** + Active Top Secret clearance + Advanced degree in STEM (and can be ... all mission areas at Raytheon. Our department is currently hiring for a ** Senior Modeling Analysis & Simulation Operations Engineer ** to develop, analyze, and… more
    RTX Corporation (11/13/25)
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  • Senior Software Engineer

    Cinteot (Fort Belvoir, VA)
    SENIOR SOFTWARE ENGINEER REQUIREMENTS: + Active TOP SECRET /SCI + Bachelor's Degree in Systems Engineering, Software Engineering, or Computer Science ... in multi-tiered architectures (Web, API, database tiers); Windows and Unix systems ; IIS Web Servers; Multi-component, multi-tiered Systems integration;… more
    Cinteot (11/05/25)
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  • Flight Test Engineer Senior - Level…

    Lockheed Martin (St. Mary's County, MD)
    …Systems Engineering/Network/IT experience Team Leadership Technical report writings DoD Top Secret Clearance preferred Extended travel assignments or frequent ... **Description:** You will be the Flight Test Engineer for the Multi Domain Control System \(MDCS\)...provides on\-site support for test efforts for unmanned air systems to include ground station operation, test procedure development,… more
    Lockheed Martin (12/06/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * * **Exciting Opportunity: Join Our Team as a Senior Network Security Engineer !** Are you passionate...Engineer , with a focus on analyzing complex hardware systems for SIGINT solutions. + **Education:** A Bachelor's degree… more
    CACI International (12/12/25)
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  • Engineer V

    General Atomics (Centennial, CO)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (current SCI access with CI Poly) **Pay Range ... General Atomics is seeking a highly experienced and motivated Satellite Electrical Power Systems (EPS) Engineer to join our Space Electrical Design Team for… more
    General Atomics (12/11/25)
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