Drimva

Radiant

Senior Fluid Systems Engineer

$158K–$219K

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

Experience
5+ 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 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 from preliminary design through build and production, including analysis, component selection, manufacturing, assembly, and testing.

What you'll do

  • Design and analyze fluid systems and components, perform trade studies, and verify system performance and structural integrity.
  • Develop manufacturing and assembly instructions, test plans, bills of materials, and supplier relationships; manage subassembly schedules.
  • Own subsystem risk analysis and coordinate requirements and technical feedback across engineering teams.

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.
  • 5+ 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.
  • Experience with piping thermal-growth design, process piping codes, fluid system modeling, production ramp-up, or test stands.

Pay

$158,000 – $219,450 (USD, base salary)

Tools

finite element tools, FEA, Matlab/Python, ASME B31.3, ASME PCC-2

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 4, 2026 (UTC)