Career roadmap
How to Become a Boilermaker
The education, training, certifications and steps it takes to start working as a boilermaker, plus how long it takes and where the career can lead.
To become a boilermaker: (1) finish high school, (2) learn welding basics, (3) apply for an apprenticeship, (4) complete training, (5) become a journeyman. Most people need about 4–5 year apprenticeship. BLS lists “high school diploma or equivalent” as the typical entry-level education.
5 steps to become a boilermaker
Finish high school
Or GED.
Learn welding basics
Course.
Apply for an apprenticeship
Union.
Complete training
Years.
Become a journeyman
Skilled.
Education and training requirements
A high school diploma and a boilermaker apprenticeship are typical.
| Typical entry-level education (BLS) | High school diploma or equivalent |
|---|---|
| Related work experience | None |
| On-the-job training | Apprenticeship |
| Typical training time | 4–5 year apprenticeship |
Certifications and licenses
- Boilermaker apprenticeship: Union or employer.
- AWS or ASME welding certifications: Required for welding.
- Rigging certification: Helpful.
- Confined space training: Required.
Skills to build now
Start with welding, rigging, and blueprint reading, and practice stamina and teamwork. Learning the boilermaker vocabulary early makes training and interviews easier.
Where the career can lead
- Apprentice: Entry.
- Journeyman: Skilled.
- Foreman: Lead.
- General Foreman: Lead outages.
Get a head start
Our self-paced Boilermaker training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.
Common questions about getting started
How long does it take to become a boilermaker?
Most people need about 4–5 year apprenticeship of training. A high school diploma and a boilermaker apprenticeship are typical.
Do you need a degree to be a boilermaker?
No four-year degree is typically required. BLS lists “high school diploma or equivalent” as the typical entry-level education, plus apprenticeship.
What certifications are available for boilermakers?
Common credentials include Boilermaker apprenticeship, AWS or ASME welding certifications, Rigging certification, and Confined space training. Requirements vary by state and employer.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 47-2011 (Boilermakers).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Boilermakers (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.