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Radiant Nuclear Jobs (NOW HIRING)

Radiant

Senior Test Engineer

El Segundo, CA · On-site

$133K - $184K/yr

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 Loads & Dynamics Engineer

El Segundo, CA · On-site

$133K - $184K/yr

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

Regulatory Engineer

El Segundo, CA · On-site

$133K - $190K/yr

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

Direct Procurement Manager

El Segundo, CA · On-site

$85K - $168K/yr

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

IT Help Desk Associate

El Segundo, CA · On-site

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

Quality Systems Engineer

El Segundo, CA · On-site

$133K - $190K/yr

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 Structures Engineer

El Segundo, CA · On-site

$133K - $184K/yr

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 Mechanisms Engineer

El Segundo, CA · On-site

$133K - $184K/yr

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

Supply Chain Manager

El Segundo, CA · On-site

$85K - $168K/yr

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 Jun 13, 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 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 is a Radiant Nuclear job?

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.

Is it hard to get a job at a nuclear power plant?

Getting a job as a nuclear power plant operator or technician can be competitive and requires specialized training, certifications such as a nuclear reactor operator license, and relevant experience. Candidates often need a background in engineering, physics, or related fields, along with passing rigorous background checks and safety assessments.

What is the highest paying nuclear job?

The highest paying nuclear jobs are typically senior roles such as Nuclear Engineering Managers, Nuclear Power Plant Directors, or specialized nuclear consultants, with salaries often exceeding $150,000 annually. These positions require extensive experience, advanced certifications, and expertise in nuclear safety, operations, or regulatory compliance.

Is Radiant Nuclear a good company?

Radiant Nuclear is a company specializing in nuclear technology and radiation safety. Its reputation depends on factors such as employee reviews, safety standards, and industry performance, which vary by location and role. Job seekers should research specific positions and company reviews for a comprehensive understanding.

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.

How many employees does Radiant Nuclear have?

Radiant Nuclear is a company specializing in nuclear technology and energy solutions. The exact number of employees is not publicly disclosed, but such companies typically employ dozens to hundreds of staff, including engineers, technicians, and support personnel. For specific figures, contacting the company directly or visiting official reports is recommended.
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Radiant Nuclear jobs near you
Infographic showing various Radiant Nuclear job openings in the United States as of June 2026, with employment types broken down into 1% Locum Tenens, 86% Full Time, 1% Part Time, and 12% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $107,964 per year, or $51.9 per hour.
Senior Test Engineer

Senior Test Engineer

Radiant

El Segundo, CA • On-site

$133K - $184K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Posted 10 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
We are seeking a Senior Test Engineer to design and implement mission-critical procedures for reactor operators managing our groundbreaking nuclear microreactor technology. This role offers a rare opportunity to bridge engineering, operations, and human factors in a highly technical and fast-paced environment. You will collaborate with a multidisciplinary team to translate complex hardware and software designs into clear, executable, and DOE or NRC compliant procedures. Your work will ensure that Reactor Operators (ROs) and Senior Reactor Operators (SROs) can efficiently and safely execute test, commissioning, and operational activities.
This position goes beyond traditional systems engineering - you will also gain hands-on experience as a Reactor Operator (RO), directly influencing the development of operational software, procedures, and future reactor designs.
Responsibilities & Duties:
  • Qualify as an operator to gain firsthand experience, ensuring procedures align with real-world execution.
  • Collaborate closely with engineers to improve operator interfaces, procedural workflows, and software tools.
  • Support testing and iterative improvements of digital twin scenarios, operator systems, and human-machine interfaces.
  • Ensure compliance with DOE and NRC standards, maintaining strict formatting, clarity, and usability in procedural documentation.
  • Develop and refine operational procedures that integrate both software and hardware-in-the-loop testing.

Required Qualifications & Skills:
  • 4+ years of full-time professional experience in engineering problem-solving, including system design, analysis, or testing.
  • Proficiency in managing or optimizing complex hardware and software processes for testing and operations.
  • Ability to apply first principles thinking to solve problems and make decisions in uncertain or ambiguous situations.
  • Background in highly regulated industries (e.g., nuclear, aerospace, aviation, maritime).

Desired Qualifications & Skills:
  • Prior experience working as an operator in nuclear environments (e.g., nuclear energy, naval reactors, or radiation-controlled facilities), with familiarity in safety protocols, regulatory compliance, and high-reliability operations
  • 2+ years of full-time nuclear operations experience.
  • Licensed as Senior Reactor Operator or Naval equivalent.
  • Hands-on experience in developing technical procedures, human factors engineering, or operational interface design.
  • Prior operations background such as mission control room operator.
  • Proficiency in Python, UNIX, for procedure testing within the simulator environments.
  • Experience with human factors and user-centered instructions for operational workflows.

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.
  • Willingness to travel 50% - 60% of the time as needed for projects.
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.
Unfortunately, we are unable to provide visa sponsorship at this time.
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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