Valaratomics

Senior Welder

Torrance, California, United States. Posted 2 months ago

The role

A Senior Welder will fabricate precision components for modular nuclear reactor systems. You will perform high-integrity welds on pressure vessels, piping, and structural assemblies.

What you will do

  • Perform GTAW/TIG, GMAW, and SMAW welds on carbon steel, stainless steel, and nickel alloys to nuclear-grade specifications.
  • Read and interpret blueprints, weld symbols, and engineering drawings for pressure vessels and structural assemblies.
  • Perform in-process and final visual inspection of welds.
  • Coordinate with QC for NDE testing.
  • Maintain and calibrate welding equipment.
  • Select correct filler metals, shielding gases, and parameters per WPS.
  • Mentor junior welders.
  • Enforce shop safety, quality, and 5S standards on the floor.
  • Document weld travelers, certifications, and non-conformances in accordance with quality management procedures.

Required qualifications

  • 5+ years of professional welding experience in a manufacturing, aerospace, shipbuilding, or heavy industrial environment.
  • AWS Certified Welder (or equivalent) with demonstrated proficiency in GTAW (TIG) on stainless steel and exotic alloys.
  • Ability to read and work from complex engineering drawings, weld symbols, and WPS documentation.
  • Comfortable working in a fast-paced startup manufacturing environment with evolving processes.
  • Ability to lift up to 50 lbs, stand for extended periods, and work in a shop-floor setting with appropriate PPE.

Nice to have

  • Experience with pressure vessel or code welding (ASME Section IX, B31.3, or similar)
  • Experience welding in nuclear, aerospace, or other highly regulated quality environments.
  • Orbital welding experience for small-diameter precision tubing.
  • Familiarity with ASME Section IX / Section III code welding and NDE processes.
  • Prior experience standing up welding processes or procedures in a new manufacturing line.
  • Forklift, overhead crane, or rigging certification.

Benefits

  • Competitive base salary
  • Equity ownership in a rapidly growing advanced energy company
  • Comprehensive medical benefits
  • Unlimited PTO
  • Free daily lunch and dinner provided onsite
  • Generous PPE stipend

Before you apply

  • Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).

About the company

Valar Atomics aims to make clean, high-temperature nuclear power scalable. The company is a team of builders, engineers, and operators focused on factory-made nuclear energy.

Senior Welder at Valaratomics | JobZoey