Thermal Hydraulic Core Design Engineer

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At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.

-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers.

Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT’s technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit  .

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Welcome to BWXT
We believe in empowering our employees and cultivating a dynamic workplace that fosters growth and collaboration. Whether you’re an experienced professional or just starting your career, you ll find opportunities to challenge yourself, learn from seasoned experts, and contribute to nuclear innovation. We required a diverse range of skills to support our work in the markets that drive our business and welcome candidates from all backgrounds and life stages who are passionate about making a difference.

BWXT is People Strong, Innovation Driven - be part of BWXT’s innovation hub. BWXT’s Advanced (Use the "Apply for this Job" box below). researches, designs, and develops innovative new nuclear reactors, nuclear rocket propulsion systems, and radioisotope production systems for both internal and external customers.

If you are looking for a career where your experience is valued, innovative thinking is fostered, and barrier-free teamwork is embraced every day, then this opportunity is for you.

As our Thermal Hydraulic Core Design Engineer, you will contribute to a variety of projects in a collaborative team environment, performing thermal analysis of advanced core designs that include a variety of fuel systems, cycle, and coolant types. The Engineer will work within the core design team, interacting with neutronic core design, fuel performance, mechanical, and systems engineers. Depending on the candidate’s qualifications, the role may involve supporting the development of core thermal modeling, simulation, and optimization tools.

On-site in Lynchburg, VA at the Advanced Technologies Office

• Perform thermal analysis of advanced core designs that include a variety of fuel systems, cycle, and coolant types.
• Control a broad scope of studies, from preconceptual through reference design.
• Perform a range of core thermal analysis from quick scoping to design quality.
• Support the development of core thermal modeling, simulation, and optimization.
• Interact with neutronic core design, fuel performance, mechanical, and system engineers.
• Work in a core design team contributing to a variety of projects.

• A bachelor’s degree in engineering or physics is required.
• A minimum of four (4) years of related experience is required.
• Must be a strong team player with the ability to develop effective relationships with internal and external customers and suppliers.
• Must be able to learn a variety of new procedures, processes and tools while maintaining various stages of production.
• Must possess understanding of design control and configuration control concepts and project engineering activities (task plans, schedules).
• Must be a U.S. citizen.
• Must be able to obtain and maintain a U.S. Department of Energy (DOE) or Department of Defense (DOD) security clearance, which may be required.

• Master’s degree in nuclear or mechanical engineering with a focus on thermal hydraulics.
• Prior experience with verification and validation of…