Role Summary

BaRupOn LLC is seeking a highly experienced Lead Reactor Physicist / Core Design Lead to own the reactor physics and core design program for its Small Modular Reactor (SMR) and Micro Modular Reactor (MMR) initiatives in the United States.

This is a technical leadership role at the heart of BaRupOn's nuclear engineering organization. The Lead Reactor Physicist will be responsible for the full lifecycle of reactor core design — from initial neutronics modeling and fuel assembly optimization through safety analysis integration and NRC regulatory submissions. This person will work in close partnership with licensing, engineering, and operations teams to ensure every core design is safe, efficient, and fully compliant with applicable U.S. Nuclear Regulatory Commission (NRC) requirements.

The ideal candidate brings deep hands-on experience in reactor physics and core design for advanced or non-...