<div>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.</div><div> </div><div>We are seeking a <strong>Senior Nuclear Engineer</strong> to join our core engineering team and drive the analytical rigor behind our microreactor design. This role will act as both a <strong>technical leader and independent thinker</strong>, directly influencing design decisions that shape the future of energy.</div><br><br><h3>Key Duties &amp; Responsibilities</h3><ul><li>Lead and perform complex <strong>thermal-hydraulic and neutronics calculations</strong></li><li>Independently verify and approve <strong>engineering calculations and safety analyses</strong> prepared by peers and junior engineers</li><li>Provide <strong>expert-level review</strong> of design basis documents, licensing submittals, and technical evaluations</li><li><strong>Mentor and guide</strong> junior engineers in analytical methods and modeling techniques</li><li>Develop and maintain detailed models for <strong>reactor systems and accident scenarios</strong></li><li>Participate in <strong>peer reviews and regulatory interactions</strong> as a technical authority</li><li>Contribute to <strong>continuous improvement initiatives</strong> by identifying gaps and proposing innovative solutions</li><li><strong>Adapt quickly</strong> to evolving project needs, regulatory changes, and emergent technical challenges</li></ul><h3>Qualifications</h3><ul><li>Bachelor’s or Master’s degree in Nuclear Engineering or a closely related discipline</li><li>8+ years of experience in nuclear systems analysis, safety analysis, or reactor physics</li><li>Proficiency with at least two of the following codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT</li><li>Demonstrated experience performing and reviewing complex engineering calculations</li><li>Strong technical writing and communication skills, with the ability to present to both technical and non-technical audiences</li><li>Department of Energy regulatory experience is preferred</li></ul><br>

<p>Last Energy's mission is to decarbonize global energy production and increase access to clean, affordable power. We are a full-service developer of micro modular nuclear power plants with the goal of finally scaling nuclear by dramatically reducing the time and cost of construction.</p>

Senior Nuclear Engineer

<div>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.</div><div> </div><div>We are seeking a <strong>Senior Nuclear Engineer</strong> to join our core engineering team and drive the analytical rigor behind our microreactor design. This role will act as both a <strong>technical leader and independent thinker</strong>, directly influencing design decisions that shape the future of energy.</div><br /><br /><h3>Key Duties &amp; Responsibilities</h3><ul><li>Lead and perform complex <strong>thermal-hydraulic and neutronics calculations</strong></li><li>Independently verify and approve <strong>engineering calculations and safety analyses</strong> prepared by peers and junior engineers</li><li>Provide <strong>expert-level review</strong> of design basis documents, licensing submittals, and technical evaluations</li><li><strong>Mentor and guide</strong> junior engineers in analytical methods and modeling techniques</li><li>Develop and maintain detailed models for <strong>reactor systems and accident scenarios</strong></li><li>Participate in <strong>peer reviews and regulatory interactions</strong> as a technical authority</li><li>Contribute to <strong>continuous improvement initiatives</strong> by identifying gaps and proposing innovative solutions</li><li><strong>Adapt quickly</strong> to evolving project needs, regulatory changes, and emergent technical challenges</li></ul><h3>Qualifications</h3><ul><li>Bachelor’s or Master’s degree in Nuclear Engineering or a closely related discipline</li><li>8+ years of experience in nuclear systems analysis, safety analysis, or reactor physics</li><li>Proficiency with at least two of the following codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT</li><li>Demonstrated experience performing and reviewing complex engineering calculations</li><li>Strong technical writing and communication skills, with the ability to present to both technical and non-technical audiences</li><li>Department of Energy regulatory experience is preferred</li></ul><br />

Senior Nuclear Engineer

About the Job

About the Company

Last Energy

Similar Jobs

Nuclear Safety Analysis Manager

Nuclear Safety Analysis Manager

Nuclear Safety Analysis Manager

Nuclear Safety Analysis Manager

Nuclear Safety Analysis Engineer

Nuclear Safety Analysis Engineer

Nuclear Electrical Engineer - Senior

Nuclear Electrical Engineer - Senior

Director of Nuclear Engineering

Director of Nuclear Engineering

Nuclear Training Operations Instructor Senior

Nuclear Training Operations Instructor Senior

Senior Nuclear Licensing Specialist

Senior Nuclear Licensing Specialist

Nuclear Reactor Engineer Principal

Nuclear Reactor Engineer Principal

Principal Nuclear Engineer

Principal Nuclear Engineer

Senior Integration Engineer - Nuclear Process

Senior Integration Engineer - Nuclear Process