Thermal Hydraulic Core Design Engineer

Position Overview

As a 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 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.

• Bachelor’s degree in engineering or physics.
• Minimum of four (4) years of related experience.
• Strong team player with the ability to develop effective relationships with internal and external customers and suppliers.
• Ability to learn new procedures, processes, and tools while maintaining various stages of production.
• Understanding of design control and configuration control concepts and project engineering activities (task plans, schedules).
• U.S. citizen.
• Ability 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 thermal analysis tools.
• Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex.
• Knowledge of programming languages such as FORTRAN, Python, C, and C++.

• Competitive salary and benefits package, including health, dental, and retirement plans.
• Flexible work schedules and paid time off to promote a healthy work‑life balance.
• Professional development opportunities, including mentorship programs and sponsorship for continuing education.
• An inclusive atmosphere that celebrates new perspectives and supports collaboration between different generations.
• The chance to be part of a mission‑driven organization making a positive impact on the future of energy.
• Opportunities for continuous learning and training to grow throughout your career.

Pay: $86,000.00–$.

All candidates must be U.S. citizens and are required to successfully complete a pre‑employment check, drug screening, and may need to obtain and maintain federal eligibility requirements for classified/sensitive information. Selected applicants will also be subject to background, finance, and reference verifications consistent with security clearance requirements.

BWXT is committed to the concept of Equal Employment Opportunity. All personnel actions, including recruitment, compensation, career development, benefits, training, and social recreational programs, are administered without regard to race, color, religion, sex, national origin, citizenship, age, disability, protected veteran, or other protected status.