# Lead Nuclear 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: $161K to $224K base salary per year (USD)
- Posted: 2026-09-11
- Apply by: 2026-10-26
- Apply: https://jobs.ashbyhq.com/radiant-industries/adaeb1c2-c955-4714-bc33-f9b537649b33
- Page: https://www.1752.vc/careers/jobs/radiant-lead-nuclear-engineer/

## About the role

Radiant is seeking a Lead Nuclear Engineer to provide technical and people leadership within the nuclear design and analysis organization supporting Kaleidos. You will lead an interdisciplinary team working across core physics, neutron and radiation transport, shielding, activation and dose, thermal-hydraulics, safety analysis, instrumentation and controls, reactor operations, and regulatory evaluations. This role combines hands-on technical leadership with team and project ownership.

## What they're looking for

- Bachelor’s degree in nuclear engineering or a related technical discipline from an
- accredited institution
- 5+ years of relevant nuclear engineering experience across reactor design, analysis, testing, licensing, safety, or operations
- 1+ year of experience managing direct reports
- Demonstrated experience leading complex nuclear engineering projects involving
- multiple technical disciplines and stakeholders

Tags: Engineering