Senior CFD/FEA Thermal Engineer for Nuclear Microreactors

Radiant Industries; El Segundo (CA); Presencial; USD 190.000 - 240.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Stock: Substantial incentive stock

Medical: 100% base plan + dependents

One Medical: Sponsored memberships

Vision: Top tier coverage

Dental: Top tier coverage

Voluntary life and related benefits

8 weeks paid parental leave

Nuclear Engineering Certificate (100%)

Daily catered lunch

Flexible PTO

Company events and team bonding

HQ in El Segundo

Descripción de la vacante

Radiant is seeking a Principal Thermal Modeling Engineer to lead thermal CFD/FEA for Kaleidos reactor systems. You will define methods, standards, and validation strategies, mentoring engineers and guiding decisions across reactor, cooling, and shielding domains.

You will architect automated workflows, drive multi-physics coupling, and partner with design teams to translate analyses into actionable leadership recommendations. This role is 100% onsite in El Segundo, CA.

Formación

• Bachelor’s degree in engineering, physics, or similar field; MS/PhD preferred.
• 10+ years of relevant experience with technical leadership on complex programs.
• Extensive CFD experience with STAR-CCM+, Ansys Fluent, and turbulence modeling.
• Strong FEM/CFD fundamentals and model validation against test data.
• Proficiency with CAD software (Siemens NX).
• Experience automating simulation workflows and scripting tools.
• Ability to mentor engineers and present results to leadership.

Responsabilidades

• Serve as the technical authority for thermal CFD and thermal FEA modeling of Kaleidos reactor systems.
• Define modeling strategy and best practices for turbulent flow and heat transfer.
• Lead verification/validation and quantify confidence bounds for design decisions.
• Architect automated simulation workflows and infrastructure roadmaps.
• Develop reduced-order methods with design and test teams.
• Influence reactor, cooling, and shielding design through analysis.
• Mentor engineers and participate in design reviews and hiring.
• Collaborate across disciplines to resolve cross-team tradeoffs.

Conocimientos

Thermal CFD modeling

Thermal FEA

Mentoring engineers

Technical leadership

Multi-physics

Automation scripting

Project leadership

Educación

Bachelor’s degree in engineering or physics

MS or PhD preferred

Herramientas

STAR-CCM+

Ansys Fluent

CAD: Siemens NX

Descripción del empleo

Radiant is seeking a Principal Thermal Modeling Engineer to lead thermal CFD/FEA for Kaleidos reactor systems. You will define methods, standards, and validation strategies, mentoring engineers and guiding decisions across reactor, cooling, and shielding domains.

You will architect automated workflows, drive multi-physics coupling, and partner with design teams to translate analyses into actionable leadership recommendations. This role is 100% onsite in El Segundo, CA.