Senior Thermal Modeling Engineer

About the Company

Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor designed to provide critical power to hospitals, data centers, and remote sites.

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

Requirements

• 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
• Ability to work 100% onsite in El Segundo

Preferred Qualifications

• Experience with radiation heat transport modeling
• Knowledge of nuclear reactor design

Benefits

• Substantial incentive stock plan
• Comprehensive medical, vision, and dental coverage
• 8-weeks of paid parental leave
• Daily catered lunch and free snacks/drinks
• Flexible PTO policy