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Radiant Nuclear Jobs (NOW HIRING)

Radiant

Senior Electrical Engineer

El Segundo, CA · On-site

$114K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Reactor Systems Engineer

El Segundo, CA · On-site

$111K - $152K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Reactor Systems Engineer

El Segundo, CA · On-site

$133K - $184K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Cantos Ventures

Nuclear Engineer, Core Physics

El Segundo, CA · On-site

$106.50 - $146.48/hr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

... Radiant is a seeking a nuclear engineer responsible for designing and implementing nuclear-specific testing operations at our 2026 demonstration. You will be responsible for the design of a large ...

Radiant

Manager, Regulatory Systems Engineering

El Segundo, CA · On-site

$186K - $258K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Certification Engineer

El Segundo, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Technical Recruiter

El Segundo, CA · On-site

$115K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Social & Content Manager

El Segundo, CA · On-site

$115K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Thermal Modeling Engineer

El Segundo, CA · On-site

$111K - $152K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Power Electronics Engineer

El Segundo, CA · On-site

$158K - $219K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Systems Engineer

El Segundo, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Principal Power Systems Engineer

El Segundo, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Thermal Modeling Analyst

El Segundo, CA · On-site

$139K - $224K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Thermal Modeling Engineer

El Segundo, CA · On-site

$139K - $224K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Thermal Modeling Engineer

El Segundo, CA · On-site

$139K - $224K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Senior Test Engineer

El Segundo, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

Radiant

Reactor Operations Engineer

El Segundo, CA · On-site

$106K - $146K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

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.

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How much do radiant nuclear jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for radiant nuclear in the United States is $51.91, according to ZipRecruiter salary data. Most workers in this role earn between $39.18 and $62.50 per hour, depending on experience, location, and employer.

What is a radiant nuclear?

A Radiant Nuclear job typically involves working with advanced nuclear technologies, focusing on safe and efficient energy production. Roles may include reactor operation, radiation safety, regulatory compliance, and research into next-generation nuclear reactors. Professionals in this field often have backgrounds in nuclear engineering, physics, or related disciplines. The job may also involve maintaining and optimizing nuclear systems for sustainable energy solutions.

What are the key skills and qualifications needed to thrive in the radiant nuclear position, and why are they important?

To excel as a Radiant Nuclear Engineer, you typically need a strong background in nuclear engineering, radiation physics, and safety protocols, usually supported by a relevant engineering degree and certification. Familiarity with specialized nuclear instrumentation, radiation detection equipment, and regulatory compliance systems is essential. Excellent problem-solving abilities, attention to detail, and effective teamwork are valuable soft skills in this role. These capabilities ensure safe operations, regulatory compliance, and successful collaboration in high-stakes nuclear environments.

What are the typical work environments for radiant nuclear professionals, and how do they collaborate with other teams?

Radiant Nuclear professionals often work in power plants, research labs, or industrial facilities where they ensure the safe and efficient use of nuclear technologies. Their responsibilities usually involve close collaboration with engineers, health physicists, safety inspectors, and operations staff to maintain safety standards and respond to technical challenges. They may participate in multi-disciplinary project teams, routinely attend safety briefings, and work with regulatory agencies to ensure compliance. These team interactions foster a culture of safety and innovation, making communication skills and teamwork vital for success in the role.

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Infographic showing various Radiant Nuclear job openings in the United States as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 9% Part Time, and 10% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $107,964 per year, or $51.9 per hour.

Senior Electrical Engineer

Radiant

El Segundo, CA • On-site

$114K - $149K/yr

Other

Medical, Dental, Vision, Life, PTO

Re-posted 14 days ago

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.
About the Role
Radiant is seeking a talented Senior Electrical Engineer to own designs from requirements capture through operation. The candidate will be directly responsible for components of the nuclear microreactor control and measurement systems. The ideal candidate should be comfortable jumping from designing circuit boards to integration work interfacing with fault-tolerant, off-the-shelf hardware. This role requires collaboration with multi-disciplinary teams designing the nuclear reactor core, fluid heat transfer systems, and structures.
Responsibilities & Duties:
  • Collaborate with multidisciplinary teams to support the architecture, design, implementation, and testing of the microreactor electrical control systems.
  • Design and develop industrial electrical control hardware including schematics, wiring diagrams, harnessing, and integration assemblies.
  • Lead design of fault-tolerant and safety-critical electrical systems, emphasizing reliability, maintainability, and regulatory compliance.
  • Develop and review electrical interface designs between control systems, power equipment, and instrumentation.
  • Ensure designs comply with applicable electrical codes and safety standards including NFPA and NEC requirements.
  • Perform SCCR and Arc Flash calculations.

Required Qualifications & Skills:
  • Bachelor's degree in electrical engineering or related field.
  • 5+ years of experience designing electrical hardware.
  • Experience designing fault-tolerant and safety critical hardware.
  • Experience with Ethernet, EtherCAT, Modbus, CANbus, RS-422, or other communications protocols.
  • Experience selecting, integrating, and troubleshooting sensors including pressure transducers, RTDs, thermocouples, shaft speed and position sensors, IEPE vibration sensors, and MEMS-based sensors.
  • Experience using electrical design software such as AutoCAD Electrical, Zuken, or similar schematic and wiring design tools.
  • Experience designing, analyzing, and working safely with industrial power systems including 120 VAC, 208 VAC, and 480 VAC equipment, including applicable electrical safety practices.
  • Strong electrical engineering fundamentals.
  • Experience specifying and integrating Variable Frequency Drives (VFDs), soft starters, and motor control centers (MCCs).

Desired Qualifications & Skills:
  • Experience in electrical architecture make vs. buy trades.
  • Experience with Siemens NX.
  • Experience with PLCs, Twincat, structured text programming.
  • Familiarity with EMI/EMC mitigation techniques and testing.
  • Experience with Python, C/C++, or scripting languages for test automation, data acquisition, or diagnostics.
  • Experience supporting nuclear instrumentation systems.
  • Experience with FMEAs and hazard analysis.
  • Experience with industrial network architecture and deterministic control networks.

Additional Requirements:
  • Must be willing to work extended hours and weekends as necessary to accomplish our mission.
  • Must work 100% onsite at El Segundo HQ.

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:
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.

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