Senior Thermal Analyst

Radiant is seeking a driven Senior Thermal Analyst with expertise in CFD and thermal FEA modeling. You will design develop and implement simulations for the Kaleidos microreactor to ensure high fidelity reliability and safety of our systems. Youll work on cutting edge technical problems for a high temperature gas reactor that inform decisions across reactor systems cooling systems shielding and more. You will have an opportunity to work in an interdisciplinary environment and drive milestones forward to unlock commercialization of the first mass-produced nuclear reactor.

Responsibilities and Duties:

• 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.

Required Qualifications and Skills:

• Bachelors 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.

Desired Qualifications and Skills:

• Experience with radiation heat transport modeling.

• Knowledge of nuclear reactor design.

• Driven self-motivated and takes ownership of work end to end.

Additional Requirements

• Must be willing to work extended hours and weekends as necessary to accomplish our mission.

• Must work 100% onsite at El Segundo HQ.

Benefits and Perks

• Stock: Substantial incentive stock plan for all full-time employees.

• Medical: 100% up to base silver level plan for employee 50% dependents offers up to Platinum plans.

• One Medical: Sponsored memberships for employees and their dependents.

• Vision: 100% top tier plan coverage 50% for dependents.

• Dental: 100% top tier plan coverage orthodontia extra 50% for dependents.

• Voluntary life accident hospital critical illness commuter and FSA/HSA are offered as employee contributed benefits.

• 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.

• Daily catered lunch. Free snacks and drinks.

• Flexible PTO policy. Remote workday allocation.

• Company and team-bonding events happy hours and in-person camaraderie.

• Beautiful El Segundo headquarters close to the Pacific Ocean.

Total Compensation and Benefits
Radiant compensates people for impact and invests in those who continue to raise the bar. Radiants new hire compensation package includes base salary substantial equity grants and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance experience education and qualifications and are designed to support continued growth as scope responsibility and impact expand at Radiant.

The best of todays advanced reactor builders dont wait for job postings. They join the winning team. If thats you contact us directly for immediate opportunities: .

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity or expression pregnancy age national origin disability status genetic information protected veteran status or any other characteristic protected by law.

Unfortunately we are unable to provide visa sponsorship at this time.

This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicants capacity to serve in compliance with U.S. export controls.

Required Experience:

Senior IC