Senior Thermal CFD Engineer - Nuclear Microreactor (Onsite)

Radiant; El Segundo (CA); On-site; USD 140,000 - 225,000; Full time

Benefits offered by this job

Stock options

Premium health benefits

Daily catered lunch

Flexible PTO

Onsite HQ near Pacific Ocean

Job summary

Radiant is seeking a Senior Thermal Engineer to design, develop and implement high-fidelity CFD and thermal simulations for the Kaleidos microreactor. You will evaluate design performance, model turbulent flow, heat transfer, and multi-physics interactions to ensure safety and reliability of the systems.

Collaborating across disciplines, you will help expand automation, push toward reduced-order methods, and support commercialization of the first mass-produced nuclear reactor.

Qualifications

• Bachelor’s degree in engineering, physics, or similar field from an accredited institution.
• 5+ years of relevant industry experience.
• 5+ years experience with STAR-CCM+, Ansys Fluent, or other commercial CFD code.
• Proficiency with CAD software (Siemens NX).
• Mastery of finite element and computational fluid dynamics modeling principles and methods.
• Experience communicating and distilling information with cross-functional teams.

Responsibilities

• Own and execute thermal CFD analysis to evaluate design and performance of Kaleidos reactor systems.
• Develop and implement solutions to model turbulent flow, heat transfer, and multi-physics interactions
• Identify and implement CFD simulation best practices
• Build automated workflows to expand simulation capabilities, accuracy, and efficiencies
• Collaborate across teams and disciplines to support design of reduced order analysis methods.

Skills

CFD analysis

Thermal modeling

Multiphysics

Communication

Education

Bachelor's degree in engineering, physics, or similar field

Tools

STAR-CCM+

Ansys Fluent

Siemens NX

Job description

Radiant is seeking a Senior Thermal Engineer to design, develop and implement high-fidelity CFD and thermal simulations for the Kaleidos microreactor. You will evaluate design performance, model turbulent flow, heat transfer, and multi-physics interactions to ensure safety and reliability of the systems.

Collaborating across disciplines, you will help expand automation, push toward reduced-order methods, and support commercialization of the first mass-produced nuclear reactor.