Senior Thermal Analyst (Nuclear)

TL;DR

Senior Thermal Analyst (Nuclear): Designing and implementing complex thermal CFD and FEA simulations for the Kaleidos microreactor with an accent on turbulent flow modeling, heat transfer, and multi-physics interactions. Focus on automating simulation workflows and building high-fidelity models to ensure the reliability and safety of advanced reactor systems.

Location: Must work 100% onsite at El Segundo, CA headquarters

Salary: $139.5K – $224.7K

Company

hirify.global is an advanced nuclear reactor developer focused on building the first mass-produced, transportable microreactor.

What you will do

• Own and execute thermal CFD analysis to evaluate design and performance of reactor systems.
• Develop solutions to model turbulent flow, heat transfer, and multi-physics interactions.
• Implement CFD simulation best practices and automated workflows to increase accuracy and efficiency.
• Collaborate across interdisciplinary teams to support the design of reduced order analysis methods.
• Inform design decisions across reactor systems, cooling systems, and shielding.

Requirements

• Bachelor’s degree in engineering, physics, or a similar field.
• 5+ years of relevant industry experience in thermal analysis.
• 5+ years of 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.
• Must work 100% onsite in El Segundo, CA.
• Must be eligible to work in the US without visa sponsorship.

Nice to have

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

Culture & Benefits

• Comprehensive health coverage including 100% medical, dental, and vision plan premiums.
• Substantial incentive stock option plan for full-time employees.
• 8-weeks of paid parental leave.
• Daily catered lunches and free snacks.
• Flexible PTO policy and team-bonding events.