Senior Nuclear Engineer

Job description

Last Energy is a fast-growing technology company redefining how nuclear power is designed, manufactured, and deployed. We are building a new generation of modular, distributed nuclear plants engineered for speed, scalability, and real-world impact. We are seeking a Senior Nuclear Engineer to join our core engineering team and drive the analytical rigor behind our microreactor design. This role sits at the intersection of innovation and execution , where complex modeling meets the fast-paced reality of startup deployment. This role will act as both a technical leader and independent thinker , directly influencing design decisions that shape the future of energy. Key Duties & Responsibilities: - Lead and perform complex thermal-hydraulic and neutronics calculations - Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers - Provide expert-level review of design basis documents, licensing submittals, and technical evaluations - Mentor and guide junior engineers in analytical methods and modeling techniques - Develop and maintain detailed models for reactor systems and accident scenarios - Participate in peer reviews and regu...