Radiant
Staff Mechanical Engineer, Fluid Systems
$200K–$314K
El Segundo, CA · On-site · Staff · Full-time · Posted May 20, 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
- Position involves access to technology subject to U.S. export controls; any offer is contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
About the job
Own fluid systems for the Kaleidos reactor, 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, supplier relationships, and subassembly schedules.
- Manage 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.
- 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
- Professional Engineer (PE) Mechanical license.
- Experience with piping thermal-growth analysis, process piping codes, fluid-system modeling, production ramp-up, or test stands.
Pay
$200,500 – $314,475 (currency not stated; compensation type not specified)
Tools
finite element tools, FEA, Matlab, Python, ASME B31.3, ASME PCC-2
Model-written summary · the original posting is authoritative