Manufacturing Engineer

Radiant is seeking a highly motivated manufacturing engineer who will be working closely with design engineers to innovate on the production of complex mechanisms and structures critical to our microreactor technology. You will ensure reliable safe quality and delivery of the Kaleidos demonstration unit that will test in 2026 at the Idaho National Lab and be instrumental to testing the first new reactor design in over 50 years.

Responsibilities and Duties:

• Working with the team responsible for the manufacturing and inspection process for critical components and assemblies within the Kaleidos microreactor.

• Partner with design engineers to develop innovative production methods for complex mechanisms and structures.

• Develop qualify and refine manufacturing processes to meet all design and business requirements including safety quality efficiency and delivery.

• Develop and execute manufacturing specifications and fabrication instructions.

• Identify and develop appropriate suppliers for component sourcing and fabrication.

• Identify plan and execute capital equipment machine and layout upgrades to meet evolving production requirements.

• Partner with team driving initiatives for continuous improvement in manufacturing processes and product quality.

Required Skills and Qualifications:

• Bachelors degree from an accredited institution in mechanical manufacturing or other related engineering discipline.

• 1 years of experience (internship experience acceptable) with manufacturing of mechanical products in a production environment preferably in high-tech or energy sectors

Desired Skills and Qualifications:

• Masters degree from an accredited institution in mechanical manufacturing or other related engineering discipline.

• Strong problem-solving skills and attention to detail.

• Self-motivated with strong organizational written and oral communication skills.

• Demonstrated ability to work collaboratively with design and operations teams.

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. Radiants 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 todays advanced reactor builders dont wait for job postings. They join the winning team. If thats 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.

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 applicants capacity to serve in compliance with U.S. export controls.

Required Experience:

IC