General Internship Application 2027

We are excited to announce an open call for talented interns to join Oklo's dynamic team! Below are multiple positions across various disciplines that may be available, offering the chance to work on innovative projects for Summer 2027. If you're passionate about solving complex challenges, thrive in a collaborative environment, and are eager to contribute to groundbreaking solutions, we encourage you to apply.

Requirements

Oklo interns are required to

Relocate or be available to work out of Santa Clara CA where Oklo Headquarters is located for the duration of the internship or out of one of our satellite locations in Denver, CO, Brooklyn, NY, Idaho Falls, ID, or Washington D.C. Be available to work 30-40 hours per week between June 7, 2027 - August 20, 2027 (depending on the scope of work) Be currently enrolled or recently (2027) graduated with a Bachelor's or Master's Degree from an accredited university Intern Position Descriptions Core Thermal Hydraulics Intern The CTH Intern will develop intermediate fidelity (IF) subchannel and high-fidelity computational fluid dynamics (CFD) models for applications in sodium fast reactors (SFRs). The project will involve comparisons between simulation results and experimental data. The exact topic will depend on interest and company needs but could cover fluid-structure interaction, turbulence model development, uncertainty quantification, or surrogate modeling. Required Qualifications Coursework in fluid mechanics and heat transfer Experience with 3-D CFD and meshing workflows Proficiency in Python Clear technical communication and documentation skills Bonus Qualifications Experience with advanced 3-D CFD concepts (large eddy simulation, fluid-structure interaction) Familiarity with high-performance computing workflows and tools Experience with MOOSE Familiarity with statistics and reduced order modeling Fuel Performance Intern Working with members of Oklo’s Materials and Fuel Performance Team, this intern will explore the potential of lower-order fuel performance models to help accelerate our core-design iteration.

Key Responsibilities

Assess the trade-off between computational cost and accuracy of lower-order fuel performance models Distill key phenomena for a variety of safety and design applications in order to calibrate simplified models against validation cases Benchmark new fuel performance tools Integrate original analysis and data processing into our production stack Required Qualifications Fluency in Python (or another object-oriented programming language) Prior experience with finite element analysis (FEA) Background in nuclear engineering and familiarity with reactor physics Motivated learner who is adept at efficiently summarizing literature Bonus Qualifications Exposure to the MOOSE modeling suite Strong understanding of statistics and/or uncertainty quantification Coursework or research related to materials science Mechanical Analyst Intern This intern will contribute to the evaluation and optimization of mechanical components that are critical to Oklo’s advanced power plant designs. This position offers hands-on experience in applying engineering fundamentals, performing structural analysis, and integrating results into design iterations.

Key Responsibilities

Apply first-principles mechanics and strength of materials to support analysis of structural components Assist in summarizing mechanical analysis results for design teams, highlighting key findings such as peak stresses, margins of safety, and potential design revisions Support the development of technical documentation, ensuring clear and concise communication of assumptions, methods, and results Collaborate with design, manufacturing, and testing teams to help inform design improvements Required Qualifications Working toward a degree in Mechanical Engineering, Aerospace Engineering, Materials Science, or a related discipline Strong foundation in mechanics of materials, dynamics, and heat transfer Exposure to FEA tools (e.g., Ansys, Abaqus, COMSOL, or similar) through coursework or projects Proficiency in Python, MATLAB, or another programming language for basic data analysis or workflow automation Strong communication skills with the ability to clearly document and present technical findings Bonus Qualifications Prior research or project experience involving creep, fatigue, or thermal-mechanical problems Familiarity with engineering codes and standards (e.g., ASME, AISC, or similar) Experience using Git or another version control system Instrumentation and Controls Intern This intern will contribute to the development, integration, and testing of measurement and control systems that support advanced reactor operation and power generation. This position provides hands-on exposure to sensors, automation, and control strategies, while giving interns the opportunity to apply classroom knowledge to real-world engineering challenges.

Key Responsibilities

Assist in developing and testing sensors, instrumentation, and actuators under real design constraints Help design and implement control algorithms for equipment and processes Support the integration of I&C components into reactor systems and analysis workflows Contribute to documenting methods, results, and system designs in a clear and professional manner Collaborate with design and analysis teams to provide feedback that supports rapid iteration and improvement Required Qualifications Working toward a degree in Electrical Engineering, Mechanical Engineering, Computer Engineering, or a related field Familiarity with measurement techniques, data acquisition, and signal processing Exposure to control theory and feedback systems through coursework or projects Basic programming skills in Python (or similar) for data analysis and automation Strong communication skills and an eagerness to learn in a collaborative environment Bonus Qualifications Experience with circuit design (analog or digital) from labs, research, or projects Exposure to communication protocols and digital networks Familiarity with Git version control Neutronics Methodologies Intern This intern will assist in updating and streamlining neutronic methodologies to align with the latest format and standards. They will ensure that the methodologies match the way the code base builds the model, verifying consistency across both. This position also involves identifying and documenting gaps or discrepancies in the review process for future improvements.

Key Responsibilities

Update and optimize neutronic methodologies to the latest format and standards. Ensure methodologies align with the way the code base builds the model. Identify and document any gaps or discrepancies in the current processes. Collaborate with team members to ensure consistency and accuracy in modeling procedures. Required Qualifications Proficient in Python for scripting and automation. Familiar with AsciiDoc for documentation and formatting. Strong background in nuclear engineering and neutronics. Attention to detail with an ability to identify gaps in methodologies and processes. Process Intern This intern will support the design and analysis of fluid and power systems that are essential to Oklo’s advanced reactors. This position provides hands-on experience with system modeling, equipment evaluation, and prototyping, offering interns a chance to apply classroom knowledge to real-world energy systems.

Key Responsibilities

Assist in designing fluid and process systems, including piping, valves, pumps, compressors, and heat exchangers Support definition of process equipment specifications, performance criteria, and operating conditions Contribute to prototype setup and testing activities for iterative system design and validation Help prepare technical documentation to support system layout, fabrication, installation, and operation Collaborate with engineers on analyses to evaluate performance and inform design refinements Document results and meth