General Internship Application 2027

Location: Santa Clara, CA or Any Office Location Department: General

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

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

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.

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

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

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.

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

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