Boilermakers
Construct, assemble, maintain, and repair stationary steam boilers and boiler house auxiliaries.
SOC Code: 47-2011 | Category: Welding & Metalwork
National Median Salary
$73,340
$35.26/hr
Total Employment
10,170
10-Year Growth
+5.9%
Top-Paying State
South Carolina ($124,400)
+5.9% projected growth
Faster than average (national avg: +4%, +1.9pp)
Salary by Percentile
Annual salary distribution from entry-level to top earners
Salary Trend
Median salary, 2019–2024
$12,745 total
Best States for Boilermakers
See full rankings →State Rankings
| Rank | State | Median |
|---|---|---|
| 1 | South CarolinaSC | $124,400 |
| 2 | WashingtonWA | $113,970 |
| 3 | CaliforniaCA | $107,600 |
| 4 | MinnesotaMN | $102,730 |
| 5 | WisconsinWI | $97,410 |
| 6 | IllinoisIL | $95,340 |
| 7 | PennsylvaniaPA | $87,710 |
| 8 | ColoradoCO | $86,980 |
| 9 | ConnecticutCT | $85,480 |
| 10 | IndianaIN | $83,500 |
About Boilermakers
Boilermakers are the heavy-duty specialists of the welding world, working with massive steel structures that power our industrial infrastructure. You'll spend your days welding, cutting, and assembling boilers, pressure vessels, and storage tanks that can be several stories tall. The work happens in power plants, refineries, shipyards, and manufacturing facilities where these giants are installed. Your toolbox includes plasma cutters, welding equipment, rigging gear, and precision measuring instruments. You'll read complex blueprints, work with thick steel plates, and perform welds that must meet strict safety codes — because when a boiler fails, lives are at risk. The job demands excellent welding skills, especially in challenging positions like overhead and vertical. You'll often work in confined spaces, at heights, and around heavy machinery. Physical strength matters since you're moving steel components that can weigh hundreds of pounds. But it's not just muscle work — you need sharp problem-solving skills and attention to detail. Every weld, every bolt, every measurement has to be perfect. It's demanding work that builds the backbone of American industry.
Career Path
The boilermaker career path follows a proven apprentice-to-expert progression. You'll start as an apprentice in a 4-year union program, earning while you learn through hands-on field work and classroom instruction. Union apprenticeships are the gold standard, offering comprehensive training and strong job placement. After completing your apprenticeship, you become a journeyman boilermaker with full trade credentials and earning potential. From there, experienced boilermakers can advance to foreman or supervisor roles, overseeing crews and complex projects. Some specialize in areas like nuclear power plant work, which commands premium pay due to strict certification requirements. Others focus on field construction, maintenance work, or shop fabrication. The highest earners often become project managers or start their own contracting businesses, though this requires business skills beyond technical expertise. Union membership typically provides better benefits, job security, and advancement opportunities, especially for large industrial projects. Non-union paths exist but may offer less structured advancement. Many successful boilermakers eventually transition into welding instruction, quality control inspection, or sales roles within the industry, leveraging their deep technical knowledge.
Salary Insights
The $59,210 pay spread from entry to top tier reflects the huge difference between basic boilermaker work and specialized expertise. Entry-level workers at $48,390 typically handle simpler tasks under supervision, while the $107,600 top earners are master craftsmen working on complex projects like nuclear facilities or leading crews. Geographic location drives major pay differences — South Carolina leads at $124,400, likely due to nuclear plant work, while states with heavy industry like Washington and California also pay premium rates. Union membership generally means higher wages, better benefits, and more consistent work. Specialized certifications in nuclear, pressure vessel, or marine work unlock the highest pay grades. Overtime is common in this field, especially during scheduled plant shutdowns or emergency repairs, which can significantly boost annual earnings. Travel willingness also increases earning potential, as specialized boilermakers often work jobs nationwide. The most successful boilermakers combine multiple skills: expert welding, rigging knowledge, blueprint reading, and safety certifications.
A Day in the Life
Your day starts early, often 6 AM, with a safety meeting reviewing the day's tasks and potential hazards. You'll spend most of your time in industrial settings — power plants, refineries, or fabrication shops — working with heavy steel components. Expect to climb scaffolding, work in tight spaces, and handle physically demanding tasks like moving steel plates and positioning heavy equipment. The work involves a mix of welding, cutting, measuring, and assembly, often in challenging positions. You might weld overhead inside a boiler one day and assemble massive tanks outdoors the next. Weather affects outdoor work, but you'll work in most conditions. Days can be long, especially during plant shutdowns when 10-12 hour shifts are common. The work requires constant attention to safety due to heights, confined spaces, and heavy machinery. Travel is frequent — you might work locally for months, then travel out of state for a major project. It's physically demanding work that leaves you tired but satisfied. The variety keeps it interesting, and the craftsmanship required makes it rewarding for those who take pride in quality work.
Is This Right for You?
You'll thrive as a boilermaker if you enjoy working with your hands, take pride in precision craftsmanship, and aren't afraid of physically demanding work. This trade suits people who like variety — no two projects are identical, and you'll constantly learn new techniques. You need strong problem-solving skills and attention to detail since safety depends on your work quality. Physical fitness is essential for lifting heavy materials, working at heights, and long days on your feet. If you enjoy travel and don't mind being away from home, you'll find more opportunities and higher pay. However, this isn't the right fit if you prefer predictable schedules, desk work, or avoiding physical strain. The work can be stressful due to strict deadlines and safety requirements. Heights, confined spaces, and industrial environments aren't for everyone. Those seeking quick entry into the workforce might find the 4-year apprenticeship too long.
Frequently Asked Questions
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