Senior Thermal CFD Analyst – Nuclear Microreactor (Onsite)

Radiant Industries, Inc.; El Segundo (CA); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Stock options

Medical coverage

Vision plan

Dental plan

Life insurance

Job summary

Radiant is seeking a driven Senior Thermal Modeling Analyst with expertise in CFD and thermal FEA modeling to design, develop and implement simulations for the Kaleidos microreactor. You will evaluate high-temperature reactor systems to ensure reliability, safety, and performance, enabling acceleration toward commercialization.

You will collaborate across teams on cooling, shielding, and multi-physics challenges, driving milestones forward while working onsite at our El Segundo HQ.

Qualifications

• Bachelor’s degree in engineering, physics, or similar field.
• 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

STAR-CCM+

Ansys Fluent

CAD NX

FEA modeling

cross-functional communication

Education

Bachelor’s degree in engineering/physics

Mastery of CFD/FEA concepts

Tools

STAR-CCM+

Ansys Fluent

Siemens NX

Job description

Radiant is seeking a driven Senior Thermal Modeling Analyst with expertise in CFD and thermal FEA modeling to design, develop and implement simulations for the Kaleidos microreactor. You will evaluate high-temperature reactor systems to ensure reliability, safety, and performance, enabling acceleration toward commercialization.

You will collaborate across teams on cooling, shielding, and multi-physics challenges, driving milestones forward while working onsite at our El Segundo HQ.