Senior Computational Fluid Dynamics Engineer

Oklo Inc

Senior CFD Thermal-Hydraulics Engineer at Oklo analyzing thermal fluid dynamics for nuclear reactors. Conducting high-fidelity simulations and collaborating with design teams for advanced reactor projects.

Posted 5/15/2026full-timeSanta Clara • California • 🇺🇸 United StatesSenior💰 $100,000 - $190,000 per yearWebsite

About the role

Key responsibilities & impact

Developing and conducting high-fidelity analyses using CFD to analyze thermal-hydraulic behavior through the reactor core, reactor vessel, heat exchangers, power conversion, and balance of plant systems
Proactively designing, modeling, and analyzing thermal hydraulic systems
Performing engineering analyses, which can include thermal, fluid, safety, manufacturability, and cost
Collaborating cross-functionally to define design requirements, and providing technical feedback to quick-iterating design teams
Documenting work using modern tools and techniques, and writing well-written, thoughtful technical reports

Requirements

What you’ll need

Bachelors, Masters, or PhD in a technical field, such as nuclear, mechanical, or aerospace engineering
Proficiency with STAR-CCM+, ANSYS Fluent, OpenFOAM, Nek-5000, or equivalent
Core competencies in heat transfer, fluid dynamics, and thermodynamics first principles
Experience with data processing (e.g., pre-processing, post-processing, scripting)

Benefits

Comp & perks

flexible time off
equity
bonuses
performance incentives
401k
health insurance
FSA
flexible work hours

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

CFDthermal-hydraulic analysisheat transferfluid dynamicsthermodynamicsdata processingscripting

Soft Skills

collaborationtechnical feedbackdocumentation