Drimva

Radiant

Director, Nuclear Engineering

$173K–$237K

El Segundo, CA · On-site · Director · Full-time · Posted Aug 29, 2026

Experience
Minimum 10 years managing a team in reactor design and analysis.
Education
Degree in nuclear engineering, physics, or engineering physics from an accredited institution.

About the job

Leads nuclear engineering strategy and a multidisciplinary team responsible for design, analysis, operation, and iteration of Radiant’s microreactors.

What you'll do

  • Lead and grow engineers across core physics, shielding, dose and consequence analysis, and nuclear instrumentation.
  • Manage team execution, technical and regulatory risks, and analysis roadmaps across reactor programs.
  • Set approaches to design margins and peer reviews, and engage external organizations as needed.

What they ask for

  • Degree in nuclear engineering, physics, or engineering physics from an accredited institution.
  • At least 10 years managing a team in reactor design and analysis.
  • Familiarity with DOE authorization and/or NRC requirements and processes, plus experience developing nuclear facility safety bases.
  • Experience with Monte Carlo neutron transport codes, including OpenMC, Serpent, or MCNP.

Nice to have

  • Hands-on experience designing products, hardware, or tests.

Pay

$173K – $237.3K USD base salary

Tools

OpenMC, Serpent, MCNP

Model-written summary · the original posting is authoritative

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