# Staff 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: $185K to $225K base salary per year (USD)
- Posted: 2026-10-03
- Apply by: 2026-11-17
- Apply: https://jobs.ashbyhq.com/radiant-industries/73092ec3-e9b7-4532-ad6e-50cf17f6c9fd?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/radiant-staff-nuclear-engineer/

## About the role

Radiant is seeking a Staff Nuclear Engineer to provide technical expertise across the nuclear design and analysis of Kaleidos. You will work across core physics, neutron and radiation transport, shielding, activation and dose, thermal-hydraulics, safety analysis, instrumentation and controls, reactor operations, and regulatory evaluations to solve multidisciplinary reactor design challenges. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Bachelor’s degree in nuclear engineering or a related technical discipline from an accredited institution
- 8+ years of relevant nuclear engineering experience across reactor design, analysis, testing, licensing, safety, or operations
- Demonstrated experience owning complex nuclear engineering projects involving multiple technical disciplines and stakeholders
- Deep knowledge of neutron transport theory, Monte Carlo simulation methods, nuclear data, and statistical convergence
- Professional experience developing and applying MCNP, OpenMC, or comparable neutron and radiation transport models
- Strong understanding of reactor physics concepts, including criticality, reactivity coefficients, depletion, power distribution, shutdown margin, neutron and gamma transport, and uncertainty analysis

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/radiant-staff-nuclear-engineer/