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Senior Welding Technician

Company:
Radiant Nuclear
Location:
El Segundo, CA, 90245
Posted:
October 10, 2025
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Description:

Senior WeldingTechnician Radiant is seeking an Welding Technician who will have the opportunity to apply a variety of skillsets while fabricating and assembling our development microreactor unit.

Additionally, you will be instrumental in building large and small-scale test rigs, making prototype parts and tooling, sourcing tools to execute builds, material handling, and more.

You will be a foundational technician team member at Radiant with a high degree of autonomy and initiative is needed.

You will build and maintain our prototype shop in our new El Segundo headquarters and use a variety of tools as it comes to shop activities (Machining, welding, metal forming, electrical work, plumbing). You'll have the opportunity to bring significant technical contribution to the team and lead us to the successful fueling of a new reactor design in over 50 years by 2026.

Responsibilities and Duties: * Perform MIG, TIG, and tube welding on various metals including stainless steel, aluminum, and carbon steel.

* Read and interpret blueprints, technical drawings, and welding symbols.

* Operate welding equipment and tools with precision to meet tight tolerances.

* Conduct inspections to ensure all welds meet internal and external quality standards.

* Assist with tasks such as: * Basic machining (lathe, mill, drill press) * Metal fabrication (cutting, grinding, fitting) * electrical work (wiring, troubleshooting, assembling components) * Support assembly and testing of mechanical or electro-mechanical systems.

* Collaborate with engineers and technicians to improve weld and build processes.

Required Skills and Qualifications: * 5+ years of professional welding experience with MIG, TIG, and tube welding.

* Proficient with welding on stainless steel, aluminum, and mild steel..

* Ability to lift 50 lbs and stand for extended periods.

* Ability to work independently and efficiently with minimal supervision.

* Ability to stay organized and strong attention to detail.

* Ability to use traditional inspection tools for the inspection of parts and assemblies.

* Ability to read mechanical drawings and interpret tolerances.

* Ablility to read and interpret fluid or electrical schematics.

* Experienced in manufacturing with the use of machine tools, saws, grinders etc.

* Ability to work in outdoor environments as needed.

* Ability to work at elevated heights occasionally (scissor lifts, ladders, etc.) * Ability to travel on occasion for offsite support.

Desired Skills and Qualifications: * Experience operating and working with high pressure and temperature systems.

* Experience with CNC programming and manual machine operation.

* Experience with GD&T interpretation preferred.

* Knowledge/experience working with electrical components and high voltage systems.

* Experience operating safely in shop environments.

* Experience lifting, rigging, and preparing for heavy crane operations of complicated parts.

* Proficient computer skills; comfortable with using email and the Microsoft Office suite.

Additional Requirements: * Must be willing to work extended hours and weekends as necessary to achieve company goals.

* Must work 100% onsite at El Segundo HQ.

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