Nuclear Core Physics Engineer – Testing & Analysis

Radiant Industries, Inc.; El Segundo (CA); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Stock plan

Medical insurance

One Medical

Vision plan

Dental plan

Flexible PTO

Lunch provided

Job summary

Radiant is seeking a Nuclear Engineer, Core Physics to design and implement nuclear-specific testing operations for its 2026 demonstration in El Segundo, CA. You’ll collaborate with nuclear engineers and systems engineers to establish test objectives and procedures, ensuring safety and test goals are met.

The role requires hands-on reactor operations experience, development of technical procedures, and expertise in neutronic and transient analyses. 100% onsite at El Segundo HQ.

Qualifications

• Bachelor's degree in nuclear engineering or equivalent from an accredited institution.
• 2+ years of experience with reactor operations.
• Experience with radiation transport methods and codes (MCNP/OpenMC/Serpent).
• Knowledge of thermal-hydraulic fundamentals.

Responsibilities

• Collect testing requirements, objectives, and success criteria from nuclear engineers.
• Develop procedures that satisfy test requirements within Kaleidos' operational bounds.
• Perform reactor physics calculations to verify testing sequences address requirements.
• Document testing procedures and support operator training and control room GUI development.

Skills

Reactor operations

Radiation transport

Thermal hydraulics

Education

Bachelor's degree in nuclear engineering

Tools

MCNP/OpenMC/Serpent

Job description

Radiant is seeking a Nuclear Engineer, Core Physics to design and implement nuclear-specific testing operations for its 2026 demonstration in El Segundo, CA. You’ll collaborate with nuclear engineers and systems engineers to establish test objectives and procedures, ensuring safety and test goals are met.

The role requires hands-on reactor operations experience, development of technical procedures, and expertise in neutronic and transient analyses. 100% onsite at El Segundo HQ.