Senior Fluid Systems Engineer – Nuclear Microreactor Power

Radiant; El Segundo (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Stock incentive plan

Medical plan

One Medical

Vision coverage

Dental coverage

Life & accident benefits

Parental leave

Daily catered lunch

Flexible PTO

Team events

El Segundo HQ

Job summary

Radiant is seeking a Staff Fluid Systems Engineer to own Kaleidos fluid systems from concept through production, including the primary loop subsystems and power conversion loop. You will lead trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing.

You will drive BOM creation, supplier development, and risk analysis, collaborating with multidisciplinary teams to ensure robust, scalable designs for the company’s first commercial

Qualifications

• Bachelor’s degree in Mechanical, Materials, Aeronautical, Civil or Structural Engineering.
• 8+ years in designing, building, and testing fluid systems.
• Experience with fluid system architecture design.
• Proficient in fluid dynamics and thermodynamics.
• Proficient in 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 systems design

Thermal analysis

FMEA

BOM management

Vendor sourcing

Education

Bachelor’s degree in Mechanical, Materials, Aeronautical, Civil or Structural Engineering

Tools

FEA tools

MATLAB/Python

Job description

Radiant is seeking a Staff Fluid Systems Engineer to own Kaleidos fluid systems from concept through production, including the primary loop subsystems and power conversion loop. You will lead trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing.

You will drive BOM creation, supplier development, and risk analysis, collaborating with multidisciplinary teams to ensure robust, scalable designs for the company’s first commercial