Senior Computational Fluid Dynamics Engineer

• Develop and conduct high-fidelity CFD analyses for thermal-hydraulic behavior in reactor core, vessel, heat exchangers, and balance of plant systems.
• Design, model, and analyze thermal hydraulic systems, performing engineering analyses including thermal, fluid, safety, manufacturability, and cost.
• Collaborate cross-functionally to define design requirements and provide technical feedback to quick-iterating design teams.
• Document work using modern tools and write well-written technical reports.

This role directly contributes to the development of advanced fission power plants that deliver clean, reliable, and affordable energy at scale, helping to combat climate change and reduce reliance on fossil fuels.

• Bachelor's, Master's, or PhD in 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 (pre-processing, post-processing, scripting).

Salary: $100,000 - $190,000 per year. Oklo offers flexible time off, equity, bonuses, performance incentives, 401k, health insurance, FSA, flexible work hours, and other benefits.

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy.