# Senior Fluid Systems Engineer at Radiant

- Company: Radiant
- What the company does: Radiant builds Kaleidos, a portable, factory-built nuclear microreactor that delivers a megawatt of clean power anywhere it is needed. Backed by a16z, Felicis and USV.
- Company website: https://www.radiantnuclear.com
- Type: Startups
- Level: Senior
- Location: El Segundo, CA
- Work setup: On-site
- Pay: $158K to $219K base salary per year (USD)
- Posted: 2026-10-12
- Apply by: 2026-11-26
- Apply: https://jobs.ashbyhq.com/radiant-industries/285935eb-5fc6-46f3-b7cb-af51cd74470e?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/radiant-senior-fluid-systems-engineer/

## About the role

Radiant is seeking a highly motivated Senior Fluid Systems Engineer to own critical Kaleidos fluid systems from preliminary design through build and production. These systems include the primary loop subsystems and power conversion loop, serving to convert heat from the reactor core into electrical power. You will be responsible for the following: trade studies, component selection, thermal hydraulic analysis, piping design, vendor selection, assembly, and testing. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Bachelor’s degree from an accredited institution in Mechanical, Materials, Aeronautical, Civil or Structural Engineering
- Experience with fluid system architecture design
- 5+ years of experience in designing, building, and testing fluids systems
- Proficient knowledge in fluid dynamics and thermodynamics
- Proficient knowledge of heat exchanger design and analysis methods
- Knowledge of thermodynamic power cycles

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/radiant-senior-fluid-systems-engineer/