Radiant
Mechanical Engineer, Fluid Systems
$108K–$150K
El Segundo, CA · On-site · Full-time · Posted May 27, 2026
- Experience
- 2+ years designing, building, and testing fluid systems; experience with fluid system architecture design is also required.
- Education
- Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering.
- Visa sponsorship
- Job offer contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
About the job
Own fluid systems for Radiant’s Kaleidos reactor, taking them from preliminary design through build and production, including analysis, component selection, supplier development, assembly, and testing.
What you'll do
- Design and analyze fluid systems and components, including compressors, valves, and heat exchangers; perform trade studies and assess system performance and structural integrity.
- Develop manufacturing and assembly instructions, test plans, bills of materials, suppliers, and subassembly schedules; oversee testing and FMEA risk analysis.
- Gather requirements and coordinate with engineers across functional areas.
What they ask for
- Bachelor’s degree in Mechanical, Materials, Aeronautical, Civil, or Structural Engineering from an accredited institution.
- Experience with fluid system architecture design.
- 2+ years of experience designing, building, and testing fluid systems.
- Proficient knowledge of fluid dynamics, thermodynamics, and heat exchanger design and analysis methods.
Nice to have
- Knowledge of thermodynamic power cycles and experience with piping design for thermal growth using hand calculations and FEA tools.
- Experience with process piping codes such as ASME B31.3 and ASME PCC-2, fluid system modeling via Matlab/Python, production hardware, or test stands.
Pay
$107.5K – $150K USD base salary
Tools
FEA, Matlab/Python, ASME B31.3, ASME PCC-2
Model-written summary · the original posting is authoritative