Mechanical Design Intern

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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 Technologies (AT) group 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 Summer 2027 internship opportunity where innovative thinking is fostered and barrier-free teamwork is embraced every day, then this opportunity is for you.

As a Mechanical Design Intern, you will support the engineering team in designing and developing system components for high‑temperature gas reactors (HTGRs) and light water reactors (LWRs) used in both space and terrestrial applications. You will collaborate with a multidisciplinary group that includes engineers from various fields, data scientists, technicians, and project managers.

The position willbe located in Lynchburg, VA at the Advanced Technologies Office.

• Assist with basic component and system design activities, including preparing models and drawings, running preliminary calculations, and drafting supporting documentation under close guidance.
• Support mechanical component design efforts by helping incorporate considerations for assembly, testing, and inspection, with mentorship from experienced engineers.
• Learn and apply fundamental design control and configuration management concepts.
• Gain exposure to design-for-manufacturing principles and system operations, contributing to small portions of larger design tasks.
• Learn new procedures, processes, and tools while supporting various stages of production and workflow.
• Help gather and document procurement requirements for mechanical components or system functionality with supervision.

• Must be a currently enrolled student, pursuing a degree in engineering.
• Coursework or project experience related to mechanical engineering concepts.
• Interest in nuclear reactor systems or complex mechanical assemblies; prior exposure is helpful but not required.
• Willingness to learn industry codes and standards such as ASME Section III and VIII.
• Familiarity with 3D modeling software (Solid Works preferred) through coursework or personal projects.
• Basic understanding of engineering drawings and GD&T concepts.
• Ability to follow task plans and schedules with support from the engineering team.
• Strong written and verbal communication skillsappropriatefor a technical environment.
• Ability to work collaboratively in a team setting and ask questions when guidance is needed.
• Ability to work in a fast-paced environment while managing assigned tasks independently when appropriate.
• Must be a U.S. Citizen.

• Experience with engineering simulation tools (ANSYSor other) is a plus.

• Flexible work schedules topromote a healthy work-life balance.
• Housing stipend available for those who meet the eligibility requirements.
• BWXT offers the thrift plan (401k) to its employees. After 3 years of employment, you become fully vested and any time as an internship goes towards that time.
• An inclusive atmosphere that celebrates new perspectives and…