Career Fairs Fall 2025 at Oklo

Santa Clara, California, United States

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Not SpecifiedCompensation

InternshipExperience Level

InternshipJob Type

UnknownVisa

Nuclear, EnergyIndustries

Requirements

Relocate or be available to work out of Santa Clara CA where Oklo Headquarters is located for the duration of the internship (General)
Be available to work 30-40 hours per week between June 1, 2026 - August 14, 2026 (depending on the scope of work) (General)
Be currently enrolled or recently (2026) graduated with a Bachelor's or Master's Degree from an accredited university (General)
Coursework in fluid mechanics and heat transfer (Core Thermal Hydraulics Intern)
Experience with 3-D CFD and meshing workflows (Core Thermal Hydraulics Intern)
Proficiency in Python (Core Thermal Hydraulics Intern)
Clear technical communication and documentation skills (Core Thermal Hydraulics Intern)
Fluency in Python (or another object-oriented programming language) (Fuel Performance Intern)
Prior experience with finite element analysis (FEA) (Fuel Performance Intern)
Background in nuclear engineering and familiarity with reactor physics (Fuel Performance Intern)
Motivated learner who is adept at efficiently summarizing literature (Fuel Performance Intern)
Working toward a degree in Mechanical Engineering, Aerospace Engineering, Materials Science, or a related discipline (Mechanical Analyst Intern)
Strong foundation in mechanics of materials, dynamics, and heat transfer (Mechanical Analyst Intern)
Exposure to FEA tools (e.g., Ansys, Abaqus, COMSOL, or si...) (Mechanical Analyst Intern)

Responsibilities

Develop intermediate fidelity (IF) subchannel and high-fidelity computational fluid dynamics (CFD) models for applications in sodium fast reactors (SFRs) (Core Thermal Hydraulics Intern)
Comparisons between simulation results and experimental data; topics could cover fluid-structure interaction, turbulence model development, uncertainty quantification, or surrogate modeling (Core Thermal Hydraulics Intern)
Assess the trade-off between computational cost and accuracy of lower-order fuel performance models (Fuel Performance Intern)
Distill key phenomena for a variety of safety and design applications in order to calibrate simplified models against validation cases (Fuel Performance Intern)
Benchmark new fuel performance tools (Fuel Performance Intern)
Integrate original analysis and data processing into our production stack (Fuel Performance Intern)
Apply first-principles mechanics and strength of materials to support analysis of structural components (Mechanical Analyst Intern)
Assist in summarizing mechanical analysis results for design teams, highlighting key findings such as peak stresses, margins of safety, and potential design revisions (Mechanical Analyst Intern)
Support the development of technical documentation, ensuring clear and concise communication of assumptions, methods, and results (Mechanical Analyst Intern)
Collaborate with design, manufacturing, and testing teams to help inform design improvements (Mechanical Analyst Intern)

Skills

Key technologies and capabilities for this role

PythonCFDmeshingfluid mechanicsheat transferMOOSEhigh-performance computingstatisticsreduced order modelinglarge eddy simulationfluid-structure interaction

Questions & Answers

Common questions about this position

Is this a remote internship or do I need to be in the office?

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.

What are the dates and hours for the internship?

Interns must be available to work 30-40 hours per week between June 1, 2026 - August 14, 2026, depending on the scope of work.

What qualifications are required for the Core Thermal Hydraulics Intern position?

Required qualifications include coursework in fluid mechanics and heat transfer, experience with 3-D CFD and meshing workflows, proficiency in Python, and clear technical communication and documentation skills.

What is the company culture like at Oklo?

Oklo offers a dynamic team in a collaborative environment where interns can work on innovative projects, solve complex challenges, and contribute to groundbreaking solutions.

What are the basic requirements to apply for an Oklo internship?

Applicants must be currently enrolled or recently (2026) graduated with a Bachelor's or Master's Degree from an accredited university, available for the full internship period in Santa Clara, CA, and possess discipline-specific skills like Python proficiency.

Oklo

Develops advanced fission power plants

About Oklo

Oklo develops advanced fission power plants that utilize a unique approach to the fission reaction, ensuring safety and enabling the use of nuclear waste as fuel. Their main product, the Aurora reactor, generates up to 15 megawatts of power and can run for over 10 years without refueling, making it both cost-effective and environmentally friendly. Oklo distinguishes itself from competitors by focusing on recycling nuclear waste and providing energy solutions for a variety of clients, including industrial facilities and remote communities. The company's goal is to deliver clean, reliable, and affordable energy while transforming the nuclear energy sector.

Sunnyvale, CaliforniaHeadquarters

2013Year Founded

$116.7KTotal Funding

IPOCompany Stage

EnergyIndustries

51-200Employees

Benefits

Health Insurance

401(k) Retirement Plan

401(k) Company Match

Flexible Paid Time Off

Flexible Work Hours

Company Equity

Health Savings Account/Flexible Spending Account

Risks

Increased competition from other nuclear technology companies may impact Oklo's market share.

Potential regulatory delays could hinder Oklo's expansion and revenue growth.

Public opposition to nuclear energy could challenge Oklo's projects and partnerships.

Differentiation

Oklo uses nuclear waste as fuel, enhancing sustainability and reducing waste.

The Aurora reactor operates for over 10 years without refueling, offering long-term reliability.

Oklo's reactors are versatile, serving industrial, remote, and potential space applications.

Upsides

Growing demand for clean energy in data centers boosts Oklo's market potential.

Acquisition of Atomic Alchemy expands Oklo's revenue into the radioisotope market.

Partnership with Siemens Energy enhances Oklo's technological capabilities and market reach.

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