Staff Fluid Systems Engineer

Radiant Industries•El Segundo, CA

1d•Onsite

About The Position

Radiant is seeking a highly motivated Staff Fluid Systems Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. The systems include primary-loop subsystems and the power-conversion loop, which convert heat from the reactor core into electrical power. The role covers trade studies, component selection, thermal-hydraulic analysis, piping design, supplier selection, assembly, and testing. The engineer will contribute to development of Radiant’s commercial reactor design.

Requirements

Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil, or Structural Engineering.
Experience with fluid-system architecture design.
At least 8 years of experience designing, building, and testing fluid systems.
Proficient knowledge of fluid dynamics and thermodynamics.
Proficient knowledge of heat-exchanger design and analysis methods.
Willingness to work extended hours and weekends as necessary.
Must work 100% onsite at Radiant’s El Segundo headquarters.

Nice To Haves

Knowledge of thermodynamic power cycles.
Experience designing piping systems for thermal growth using hand calculations and FEA tools.
Experience with process-piping design and testing codes, such as ASME B31.3 and ASME PCC-2.
Experience with fluid-system modeling using MATLAB or Python.
Experience in design for manufacturability and ramping up hardware builds in a production environment.
Experience designing and operating test stands.
Demonstrates extreme ownership and a high degree of responsibility.
Excellent communication across multidisciplinary teams.
Prior nuclear experience is not required.

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-principles hand calculations and finite element tools.
Perform trade studies to optimize systems and meet program requirements.
Develop and execute manufacturing and assembly instructions and test plans.
Create and manage a bill of materials (BOM).
Find and develop suppliers for components.
Own subassembly design, manufacturing, and test schedules.
Own subsystem risk analysis (FMEA).
Collect requirements and provide expertise and feedback to engineers in other functional areas through clear, constructive communication.

Benefits

Substantial incentive stock plan for all full-time employees.
Medical coverage up to the base silver-level plan at 100% for employees and 50% for dependents, with plans up to Platinum available.
Sponsored One Medical memberships for employees and dependents.
Vision coverage at 100% for the top-tier plan and 50% for dependents.
Dental coverage at 100% for the top-tier plan, with orthodontia extra, and 50% for dependents.
Voluntary life, accident, hospital, and critical illness coverage, plus commuter benefits and FSA/HSA options, are available as employee-contributed benefits.
Eight weeks of paid parental leave for all parents.
Additional paid pregnancy leave for California employees.
Daily catered lunch.
Free snacks and drinks.
Flexible PTO policy.
Remote workday allocation.
Company and team-bonding events and happy hours.