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Staff Nuclear Engineer

Radiant Industries · Posted Nov 7, 2026

El Segundo, California, United States
On-site
Full-time · Staff
8+ years

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Seeking a Staff Nuclear Engineer to provide technical expertise across the nuclear design and analysis of Kaleidos, solving multidisciplinary reactor design challenges.

Responsibilities

Provide technical leadership across reactor physics, core performance, shielding, dose and activation, thermal-hydraulics, safety analysis, I&C, and reactor operations.
Own complex nuclear engineering projects from requirements capture and design iteration through model development, analysis, technical review, and final documentation.
Perform and guide analyses of criticality, reactivity control, shutdown margin, power distribution, depletion, temperature feedback, radiation transport, dose, activation, and shielding performance.
Develop, review, and improve high-fidelity neutron and radiation transport models used to support reactor design, safety, testing, and regulatory evaluations.
Translate analytical results into actionable requirements and design decisions affecting the core, shielding, control systems, instrumentation, fluid systems, structures, and surrounding hardware.

Requirements

Bachelor’s degree in nuclear engineering or a related technical discipline
Nice to have: Master’s degree or Ph.D. in nuclear engineering
Nice to have: Safety analysis
Nice to have: Shielding
Nice to have: Radiation dose and activation

Intern - Undergraduate (technical)

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Compensation

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Requirements

Skills

Staff Nuclear Engineer

Responsibilities

Requirements

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