Recruiting Coordinator Radiant Industries

VP Business Development owns the commercial pipeline for Radiant, a startup building the world's first portable nuclear microreactors. You'll source and close deals with Fortune 500 companies, hospitals, data centers, and military bases, selling Kaleidos microreactors into a brand-new market. Working directly with the Chief Commercial Officer, you'll lead negotiations from first contact to binding agreements. This role demands a self-starter who thrives on cold outreach, not just managing inbound leads. You'll be a founding commercial hire, shaping the future of clean energy.

Radiant seeks a Senior Structural Engineer to design critical structures for the Kaleidos reactor. You will own mass-efficient transportable shielding systems and high temperature graphite and metallic systems. This role drives structural solutions that survive extreme temperatures and meet volumetric constraints. Your work will enable the first new commercial reactor design since 1976.

Radiant seeks a Senior Nuclear Thermal-Hydraulics Engineer to lead thermal-hydraulics and coupled physics analysis for the Kaleidos microreactor. Own analysis that determines how heat coolant and reactor core behavior interact under normal and accident conditions. This role applies reactor-specific thermal-hydraulics experience to a fast-moving factory-built reactor program. It differs from generic positions by focusing on real-world deployment and licensing support.

Radiant seeks a Lead Nuclear Engineer to lead nuclear design and analysis for the Kaleidos microreactor. You will own schedule budget and execution while focusing on safety reliability and performance. This role drives the first portable nuclear microreactor to market.

Radiant seeks a Senior Structural Engineer to design critical structures for the Kaleidos reactor. You will solve challenges creating efficient reliable structures that survive extreme temperatures and meet volumetric constraints. This role impacts fueling the first commercial reactor design since 1976 by 2026.

You will own the supplier qualification and development program for Radiant, a startup building portable nuclear microreactors. You will build upstream supplier processes that prevent defects, not just react to them. You will collaborate with design, manufacturing, and materials teams to translate technical requirements into supplier-facing quality standards. This is a builder role: you will upgrade aging systems and create a supplier reliability program from the ground up. The mission is to deliver clean, reliable energy to hospitals, data centers, and remote sites. You will work onsite in El Segundo, CA, with a team that values ownership and first-principles problem-solving.