About this opportunity
Decisive Point lists this Senior Manufacturing Engineer opportunity in el segundo, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
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 failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. 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 utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.
Senior Manufacturing Engineer
Radiant is seeking a highly motivated senior 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:
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.
Manage manufacturing bill-of-materials (mBOM) for components and assemblies.
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.
Drive initiatives for continuous improvement in manufacturing processes and product quality.
Required Skills and Qualifications:
Bachelor’s degree from an accredited institution in mechanical, manufacturing, or other related engineering discipline.
4+ years of experience with manufacturing of mechanical products in a production environment, preferably in high-tech or energy sectors.
Desired Skills and Qualifications:
Master’s degree from an accredited institution in mechanical, manufacturing, or other related engineering discipline.
Experience with machining and ancillary operations such as milling, turning, grinding, EDM of materials.
Experience with interpreting engineering drawings and models, Geometric Dimensioning & Tolerancing (GD&T).
Experience with inspection systems including manual gauges and coordinate-measuring machine (CMM).
Experience with non-destructive testing/non-destructive evaluation (e.g. fluorescent penetrant inspection, radiography, eddy current).
Experience with custom machine design; electromechanical systems, motors, actuators, linear rails, bearings, lifting/rigging, etc.
Experience with design of multi-component assemblies in CAD (NX or similar).
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.
Total Compensation and Benefits
Radiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications.
Benefits and Perks for Eligible Employees:
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.
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.
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.
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Worksite address
el segundo, CA, 90245, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.