
2027 New Graduate - Electrical Engineer at Radiant Industries (El Segundo, CA)
Radiant Industries· El Segundo, CA· $105k–$130k·
Role details
Radiant Industries at a glance
Builds Kaleidos, a 1 MW portable nuclear microreactor in a shipping container to replace diesel generators with clean, resilient power.
Radiant builds Kaleidos, a 1 MW portable nuclear microreactor packaged in a shipping container, meant to replace diesel generators with clean, resilient power for remote sites, hospitals, data centers, and military bases. Units are factory-built, delivered by truck or aircraft, installed overnight, and shipped back to the factory for refueling.
Over $500M raised · latest: Series D · $300M+ · December 2025 (oversubscribed; Lockheed Martin Ventures added Feb 2026) · backed by Draper Associates, Boost VC, Lockheed Martin Ventures, Andreessen Horowitz (a16z American Dynamism)
Job description
About Radiant
Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028. Radiant is seeking a highly motivated Electrical Engineer to join the team.
Responsibilities:
- Assist with the design, modeling, and analysis of electrical systems and components.
- Support testing, validation, and troubleshooting of hardware and instrumentation.
- Collaborate with cross-disciplinary engineering teams (mechanical, software, nuclear) to ensure system reliability and safety.
- Contribute to documentation, schematics, and technical reports.
- Participate in lab and prototyping work as needed.
Qualifications:
- BS or MS in Electrical Engineering, Chemical Engineering, or a related discipline.
- Graduating in December 2026 or Spring 2027
- Foundational knowledge of circuit design, power systems, or control systems.
- Familiarity with tools such as MATLAB, Simulink, SPICE, or CAD software is a plus.
- Strong problem-solving skills, attention to detail, and eagerness to learn.
- Ability to work collaboratively in a fast-paced, innovative environment.
Benefits and Perks
- Stock: Substantial incentive stock plan for all full-time employees.
- Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
- One Medical: Sponsored memberships for employees and their dependents.
- Vision: 100% top tier plan coverage + 50% for dependents.
- Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
- Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
- 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
- Daily catered lunch. Free snacks and drinks.
- Flexible PTO policy. Remote workday allocation.
- Company and team-bonding events, happy hours and in-person camaraderie.
- Beautiful El Segundo headquarters close to the Pacific Ocean.
Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.
The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: recruiting@radiantnuclear.com.
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
Why work at Radiant Industries
- Culture & mission: High‑impact climate tech – directly replacing diesel generators with clean nuclear power. Rated 5.0/5.0 on employer reviews (5 reviews) with strong scores for culture (4.7) and career growth (4.8).
- Work location: On‑site in El Segundo, CA (steps from the Pacific Ocean, near downtown). Employees work from a physical office.
- Perks: Company equity, relocation assistance, free daily meals, commuter benefits, onsite parking, generous parental leave, family medical leave, onsite Mother’s Room, dental/health insurance, FSA.
- Diversity & inclusion: Mandated unconscious bias training; hiring practices that promote diversity.
- Tech stack: React, TypeScript, Python, C++, C#, Kubernetes, Docker, PostgreSQL, AWS, Ansys, SolidWorks, Altium, and more. Engineers work on cutting‑edge nuclear, mechanical, and embedded systems.
- Growth trajectory: 141% headcount growth in the past year; 64 open roles across engineering, regulatory, supply chain, and operations.