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Oklo Inc · 4 months ago

Career Fairs Fall 2025

Santa Clara, CA

Internship

Onsite

Intern

$35/hr - $44/hr

Start in 2026 Summer

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale. They are seeking talented interns across various disciplines to work on innovative projects for Summer 2026, providing hands-on experience in engineering and technical roles.

Clean EnergyEnergyManufacturingNuclearRenewable Energy

No H1B

U.S. Citizen Only

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

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

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

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

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 methods in a clear and professional manner for use across design and regulatory teams

Qualification

PythonFluid mechanicsHeat transferComputational fluid dynamicsFinite element analysisNuclear engineeringStatisticsTechnical communicationAttention to detailTeam playerCreative problem solvingCommunication skills

Required

Relocate or be available to work out of Santa Clara CA where Oklo Headquarters is located for the duration of the internship

Be available to work 30-40 hours per week between June 1, 2026 - August 14, 2026 (depending on the scope of work)

Be currently enrolled or recently (2026) graduated with a Bachelor's or Master's Degree from an accredited university

Coursework in fluid mechanics and heat transfer

Experience with 3-D CFD and meshing workflows

Proficiency in Python

Clear technical communication and documentation skills

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

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

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

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

Working toward a bachelor's or master's degree in Mechanical Engineering, Chemical Engineering, Nuclear Engineering, or a related discipline

Background in thermodynamics, fluid mechanics, and heat transfer through coursework or projects

Familiarity with process or system modeling tools (e.g., MATLAB, Python, Aspen, or similar)

Strong problem-solving skills with attention to detail

Ability to clearly communicate technical findings through reports or presentations

Preferred

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

Exposure to the MOOSE modeling suite

Strong understanding of statistics and/or uncertainty quantification

Coursework or research related to materials science

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

Experience with circuit design (analog or digital) from labs, research, or projects

Exposure to communication protocols and digital networks

Experience with lab work, prototyping, or experimental systems

Exposure to piping and instrumentation diagrams (P&IDs) or process design coursework

Familiarity with pumps, heat exchangers, or thermal-fluid systems from research or internships

Benefits

Housing assistance

1-on-1 mentorship

Hands-on training

Fun team-building activities

Interactive workshops

Enhancing both professional and personal growth

Company

Oklo Inc

Oklo's mission is to provide clean, reliable, affordable energy through the deployment of next-generation fast fission technology and recycling nuclear waste.

Founded in 2013