Senior Nuclear Engineer

Senior Nuclear Engineer

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 regulatory interactions as a technical authority
• Contribute to continuous improvement initiatives by identifying gaps and proposing innovative solutions
• Adapt quickly to evolving project needs, regulatory changes, and emergent technical challenges

Qualifications

PIf97eff5ff6a6-30511-39048954