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

Materials Intern

Working with members of Oklo’s Materials Team, will help with the selection and qualification of materials for use in nuclear reactor systems. Typical work duties include computational model development and implementation, engineering analysis, documentation, and interfacing with our fuel fabrication and engineering teams.

Key Responsibilities

Analyzing material performance across expected operating conditions

Developing new analysis methods to predict material behavior in service

Performing engineering analyses, including assessments of thermal performance, mechanical performance, safety performance, manufacturability, and cost.

Collaborating cross-functionally to provide technical feedback to quick-iterating computational teams.

Authoring technical reports using modern documentation tools and techniques

Required Qualifications

Experience working with and developing material behavior models

Experience with material characterization (material testing, metallography)

Background in nuclear, chemical, materials engineering, or equivalent

Motivated learner who is adept at efficiently summarizing literature

Bonus Qualifications

Experience with engineering simulation software, such as ANSYS or COMSOL

Coding or data analysis experience (e.g., Python or similar tools)

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, val