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Oklo Inc · 3 weeks ago

Systems Thermal-Hydraulics Methods Engineer

United States

Full-time

Remote

Mid Level

$73K/yr - $157K/yr

Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale. The Systems Thermal-Hydraulics Methods Engineer will analyze fluid flow and heat transfer within a reactor, develop systems-level models, and collaborate with design teams to ensure efficient reactor behavior.

Clean EnergyEnergyManufacturingNuclearRenewable Energy

Responsibilities

Modeling thermal-hydraulic systems using codes such as SAS4A/SASSYS-1, SAM, or GOTHIC

Developing systems-level analyses to analyze coupled neutronic and thermal-hydraulic behavior at steady-state and during transients

Developing and utilizing analysis methods that efficiently and effectively build confidence in a design

Automation, verification, and validation of modeling and simulation tools in support of analyses

Collaborating cross-functionally to define design requirements, and providing technical feedback to quick-iterating design teams

Document work using modern tools and techniques, and write well-written, thoughtful technical reports

Qualification

Thermal-hydraulics analysisHeat transferFluid dynamicsThermodynamicsPythonSAS4A/SASSYS-1GOTHICFlomasterTRACEData processingPassionate about clean energyCommunicationDetail-orientedCreative problem solvingTeam player

Required

Bachelors, Masters, or PhD in a technical field, such as nuclear, mechanical, or aerospace engineering

Proficiency with thermal-hydraulics (thermal fluids) analysis methods

Core competencies in heat transfer, fluid dynamics, and thermodynamics first principles

Experience with systems-level thermal fluids analysis codes, such as Flomaster, GOTHIC, or TRACE

Experience with data processing (e.g., pre-processing, post-processing, scripting)

Fluency with Python

Preferred

Experience with reactor transient analysis methods

Experience with advanced reactor systems codes such as SAS4A/SASSYS-1, SAM, and RELAP

Experience with qualification and validation of analyses

Experience with nuclear engineering principles and multi-physics analysis methods for engineering applications, particularly as they relate to advanced reactors

Competency with modern software engineering practices and programming languages

Experience with CI/CD computing environments

Benefits

Flexible time off

Equity

Competitive pay

401k

Health insurance

FSA

Flexible work hours

Other benefits

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