Reactor Operations Engineer, Nuclear jobs in United States
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Radiant · 5 months ago

Reactor Operations Engineer, Nuclear

positionEl Segundo, California, United States
timeFull-time
remoteOnsite
seniorityEntry, Mid Level
date2+ years exp

Radiant is a clean energy startup building a nuclear microreactor. They are seeking a Nuclear Engineer responsible for designing and implementing nuclear-specific testing operations at their 2026 demonstration.

Clean EnergyEnergyEnergy EfficiencyRenewable Energy
badNo H1Bnote

Responsibilities

Collect testing requirements, objectives, and success criteria from nuclear engineers
Develop procedures that satisfy test requirements within the operational bounds of Kaleidos
Perform various reactor physics calculations (neutronic and transient analyses) to verify proposed testing sequence addresses all requirements
Document testing procedures and support operator training and control room GUI development

Qualification

Nuclear engineering degreeReactor operations experienceRadiation transport methodsThermal hydraulic fundamentalsTechnical procedure developmentHuman factors engineeringOperational interface design

Required

Bachelor's degree in nuclear engineering or equivalent degree from an accredited institution
2+ years of experience with reactor operations
Experience with radiation transport methods, including with codes such as MCNP/OpenMC/Serpent
Knowledge of thermal hydraulic fundamentals

Preferred

4+ years of experience with reactor operations
Direct experience as a reactor operator of an existing nuclear reactor
Hands-on experience in developing technical procedures, human factors engineering, or operational interface design

Benefits

Substantial incentive stock plan for all full time, salaried employees.
100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
Sponsored memberships for employees and their dependents.
100% top tier plan coverage + 50% for dependents.
100% top tier plan coverage, orthodontia extra, 50% for dependents.
Voluntary Life, Accident, Hospital, Critical Illness, Commuter and FSA are offered as employee contributed benefits.
Free snacks and drinks onsite.
Flexible PTO policy.

Company

Radiant

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Radiant develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form.
dateFounded in 2019
location
El Segundo, California, USA
people-size51-200 employees
web-link
https://radiantnuclear.com

Funding

Current Stage
Late Stage
Total Funding
$518.82M
Key Investors
Andreessen HorowitzUnion Square Ventures
2025-12-17Series D· $300M
2024-11-14Series C· $165M
2023-04-18Series B· $40M

Leadership Team

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Doug Bernauer
Chief Executive Officer
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Company data provided by crunchbase