Lead Mechanical Engineer – Reactor Internals

X Energy, LLC in Gaithersburg, MD, is seeking a senior Mechanical Engineer to lead design of reactor internals for the XE-100 project. You will oversee the mechanical design, analysis, and drafting, guiding a team of engineers and coordinating with suppliers to meet schedule and budget.

The role emphasizes leadership, project management, and deep CAD/PLM proficiency in a nuclear context. On-site work is required four days per week, with travel up to 10% as needed.