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Boilermakers build and repair the massive boilers, tanks, and pressure vessels behind Arizona's power and industry — one of the highest-paid building trades, learned through a paid apprenticeship. Here's the roadmap, with the Arizona apprenticeships, certifications, and demand that matter.
Where to train in Arizona
Arizona boilermakers learn through paid apprenticeships. The union route runs through the Boilermakers (Local 627, based in Phoenix), with welding and trade programs at community colleges feeding the trade; you build heavy welding, rigging, and pressure-vessel skills on the job.
Certification in Arizona
Boilermaking is credential-by-skill, not a state license — Arizona does not license boilermakers. What carries you is strong welding certifications (AWS and ASME code welds) and a record of clean, safe work on boilers and pressure vessels. Code-quality welds are the credential.
Where the Arizona jobs are
Arizona power and industry keep boilermakers working — the Palo Verde Nuclear Generating Station west of Phoenix, gas and solar power plants, mining and smelting operations, and industrial plants all need boiler and vessel work, especially during outages and shutdowns. Travel and shutdown work pays the most.
Ready to start? Browse live Arizona opportunities — internships, apprenticeships, and training programs across the state.
The paid apprenticeship is the heart — and welding skills make boilermakers top earners
Like the other building trades, boilermaking pays you to learn. Land a paid apprenticeship, build strong welding and rigging skills over thousands of hours, and grow into a journeyman — one of the highest-paid trades, especially on travel and shutdown work, with little or no student debt.
Keep going: see whether the trades are worth it, compare becoming a welder, and check if it will pay off.