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

• Develop and execute thermal analysis and CFD to evaluate design and performance of Kaleidos systems
• Document analysis results to communicate clear and actionable outputs
• Expand CFD capabilities, accuracy, and efficiencies via methods and workflow development projects
• Produce analysis geometry from mechanical design CAD
• Develop methods and calculations to support and build confidence in lower-fidelity thermal analysis methods

Requirements

• Bachelor’s degree in engineering, physics, or similar field
• Experience with Star CCM+ or Ansys Fluent
• Proficiency with CAD software (Siemens NX)
• Understanding of finite element and computational fluid dynamics modeling principles and methods
• Ability to effectively communicate with cross-functional teams
• Must work 100% onsite at El Segundo HQ

Preferred Qualifications

• Experience with radiation heat transport modeling
• Knowledge of nuclear reactor design
• Driven, self-motivated, and takes ownership of work end to end

Benefits

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