Drimva

Radiant

Staff Fluid Systems Engineer

$158K–$219K

El Segundo, CA · On-site · Staff · Full-time · Posted Oct 12, 2026

Experience
8+ years designing, building, and testing fluid systems.
Education
Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering.
Visa sponsorship
Any job offer is contingent on the applicant’s capacity to serve in compliance with U.S. export controls.

About the job

Owns 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

  • Lead end-to-end engineering of fluid systems and components, including compressors, valves, and heat exchangers; perform thermal-fluid analysis and trade studies.
  • Develop manufacturing and assembly instructions, test plans, bills of materials, and supplier relationships; manage subassembly schedules and subsystem FMEA.
  • Gather requirements and communicate engineering feedback across functions.

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.
  • 8+ years of experience designing, building, and testing fluid systems.
  • Proficient knowledge of fluid dynamics, thermodynamics, and heat exchanger design and analysis.

Nice to have

  • Knowledge of thermodynamic power cycles.
  • Experience with process piping codes such as ASME B31.3 and ASME PCC-2, fluid system modeling via Matlab/Python, or design for manufacturability and production ramp-up.

Pay

$158,000 – $219,450 USD base salary

Tools

Matlab, Python, ASME B31.3, ASME PCC-2, FEA

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)