Senior Fluid Systems Engineer - Nuclear Power, Onsite

Radiant; El Segundo (CA); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Stock options

Medical coverage

One Medical

Vision coverage

Dental coverage

Voluntary benefits

Parental leave

Catered lunch

Flexible PTO

Team events

HQ location near ocean

Job summary

Radiant in El Segundo, CA is seeking a Senior Fluid Systems Engineer to own Kaleidos fluid systems from design through production. You will perform trade studies, thermal hydraulic analysis, piping design, BOM creation, and supplier development to support the first new commercial reactor design in over 50 years by 2026.

This role requires a mechanical/fluids background, 5+ years in fluid systems, heat exchanger expertise, and hands-on design with FEA and hand calculations.

Qualifications

• Bachelor's degree in Mechanical/Materials/Aeronautical/Civil/Structural Engineering.
• Experience with fluid system architecture design.
• 5+ years of experience in designing, building, and testing fluids systems.
• Proficient knowledge in fluid dynamics and thermodynamics.
• Proficient knowledge of heat exchanger design and analysis methods.

Responsibilities

• Own end-to-end engineering of fluid systems and components, including compressors, valves, and heat exchangers.
• Perform complex thermal and fluids analysis to drive design decisions, verify system performance, and ensure structural integrity using first-principle hand calculations and finite element tools.
• Perform trade studies to optimize system and meet program requirements.
• Develop and execute manufacturing/assembly instructions and test plans.
• Create and manage a Bill-Of-Materials (BOM).
• Find and develop suppliers for all components.
• Own subassembly design, manufacturing, and test schedules.
• Own risk analysis (FMEA) for subsystems.
• Collect requirements, provide expertise and feedback to engineers in other functional areas via clear, constructive communication.

Skills

Fluid architecture

Fluids experience

Thermodynamics

Heat exchangers

Vendor selection

Mechanical design

Communication

Education

Engineering degree

Job description

Radiant in El Segundo, CA is seeking a Senior Fluid Systems Engineer to own Kaleidos fluid systems from design through production. You will perform trade studies, thermal hydraulic analysis, piping design, BOM creation, and supplier development to support the first new commercial reactor design in over 50 years by 2026.

This role requires a mechanical/fluids background, 5+ years in fluid systems, heat exchanger expertise, and hands-on design with FEA and hand calculations.