Thermal Hydraulics Model Development Engineering Intern - Summer 2026 jobs in United States
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Kairos Power · 1 week ago

Thermal Hydraulics Model Development Engineering Intern - Summer 2026

positionAlameda, CA
timeInternship
remoteOnsite
seniorityIntern
money$32/hr - $34/hr
workcardStart in 2026 Summer

Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy. They are seeking a highly motivated Thermal Hydraulics Model Development Intern to contribute to the development of KP-SAM code for safety analyses and design simulations.

EnergyEnvironmental EngineeringNuclearOil and Gas
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Growth OpportunitiesbadNo H1BnoteU.S. Citizen Onlynote

Responsibilities

Assess new models and features, and add additional minor improvement and enhancement
Verify and validate the developed model, and demonstrating its use in relevant transient scenarios
Document the newly developed models in theory manual, assessment report, and user manual
Support broader KP-SAM development activities, including troubleshooting, defect resolution, and code maintenance under guidance from the team
Other duties as assigned

Qualification

C/C++FORTRANDOE MOOSE frameworkNumerical methodsThermal-fluids/heat transferComputational modelingGitLaTeXNuclear reactor system analysisSoftware development workflowsAnalysis skillSafety prioritizationKnowledge managementEfficiency creationTechnical communicationCollaborative team workProblem solving

Required

Currently pursuing Masters or PhD Nuclear Engineering, Mechanical Engineering, or related field
Programming experience: C/C++, Git, FORTRAN, LaTeX
Demonstrated coursework or experience in numerical methods, thermal-fluids/heat transfer, or computational modeling

Preferred

Experience with DOE MOOSE framework a plus
Experience with system analysis codes, SAM, RELAP, SASYYS a plus

Benefits

Competitive compensation packages
Medical, dental and vision benefits for employees and their dependents
Paid Vacation
401(k) and pre-tax health insurance, dependent care, and commuter benefits (FSA)

Company

Kairos Power

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Kairos Power is an ancient Greek word that relates the importance of timeliness and a call to action.
dateFounded in 2016
location
Alameda, California, USA
people-size501-1000 employees
web-link
https://kairospower.com/

Funding

Current Stage
Late Stage
Total Funding
$0.02M
Key Investors
New Mexico Economic Development DepartmentBloombergNEF
2022-06-03Grant· $0.02M
2022-04-14Grant

Leadership Team

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Mike Laufer
CEO
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Recent News

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