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Neutronics Analysis Engineer

Oklo
Remote, RemoteRemotefull_timePosted 23 Apr 2026

About the role

<p class="p1">Thanks for your interest in Oklo!  We are searching for a Neutronics Analysis Engineer to work with our engineering team and help us wrangle the neutrons. </p> <p class="p1"> </p> <p class="p1"><strong>Position Description</strong></p> <p class="p1">The Neutronics Analysis Engineer is responsible for defining, developing, and executing in-core and ex-core neutronics analyses to support reactor design, performance evaluation, and safety assurance. This role involves working closely with the broader design team to solicit and capture requirements, establish the scope of neutronic evaluations, and implement appropriate models and methods. Areas of analysis include, but are not limited to, criticality, depletion, activation, and shielding. The engineer will also support verification and validation activities and contribute to licensing and regulatory interactions by providing technically sound and defensible neutronics analyses.</p> <p class="p1"> </p> <p class="p1"><strong>Specific responsibilities may include:</strong></p> <ul class="ul1"> <li class="li1">Perform the complete range of actions involved in supporting core design and fuel cycle analysis using Monte Carlo and deterministic codes on Oklo reactors.</li> <li class="li1">Perform calculations and analyses in Monte Carlo based codes such as Serpent, MCNP, SCALE, and OpenMC.</li> <li class="li1">Perform calculations and analyses with fast reactor deterministic codes such as DIF3D, PERSENT.</li> <li class="li1">Support the qualification and verification of neutronic analyses, including validation against experiments and benchmarks. </li> <li class="li1">Be aware of and familiar with fast reactor core design and analysis work being performed internationally, as well as related benchmark calculations and experiments being performed internationally</li> <li class="li1">Provide technical feedback to quick-iterating design teams.</li> <li class="li1">Document work using modern tools and techniques, and write well-written, thoughtful technical reports. </li> </ul> <p class="p1"> </p> <p class="p1"><strong>Competencies</strong></p> <p class="p1">We are looking for a neutronics engineer that is:</p> <ul class="ul1"> <li class="li1">Passionate about clean energy </li> <li class="li1">Passionate about making advanced fission a reality</li> <li class="li1">Willing and able to learn quickly</li> <li class="li1">Knowledgeab

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Company

Oklo

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