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 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 - Bachelor’s or Master’s degree in Nuclear Engineering or a closely related discipline - 8+ years of experience in nuclear systems analysis, safety analysis, or reactor physics - Proficiency with at least two of the following codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT - Demonstrated experience performing and reviewing complex engineering calculations - Strong technical writing and communication skills, with the ability to present to both technical and non-technical audiences - Department of Energy regulatory experience is preferred