Home/Careers/Boilermakers
construction

Boilermakers

Construct, assemble, maintain, and repair stationary steam boilers and boiler house auxiliaries. Align structures or plate sections to assemble boiler frame tanks or vats, following blueprints. Work involves use of hand and power tools, plumb bobs, levels, wedges, dogs, or turnbuckles. Assist in testing assembled vessels. Direct cleaning of boilers and boiler furnaces. Inspect and repair boiler fittings, such as safety valves, regulators, automatic-control mechanisms, water columns, and auxiliary machines.

Median Annual Pay
$71,140
Range: $49,510 - $102,120
Training Time
Less than 6 months
AI Resilience
🟡AI-Augmented
Education
High school diploma or equivalent

📋Key Responsibilities

  • Conduct pressure tests on vessels, such as boilers.
  • Study blueprints to determine locations, relationships, or dimensions of parts.
  • Examine boilers, pressure vessels, tanks, or vats to locate defects, such as leaks, weak spots, or defective sections, so that they can be repaired.
  • Inspect assembled vessels or individual components, such as tubes, fittings, valves, controls, or auxiliary mechanisms, to locate any defects.
  • Lay out plate, sheet steel, or other heavy metal and locate and mark bending and cutting lines, using protractors, compasses, and drawing instruments or templates.
  • Bell, bead with power hammers, or weld pressure vessel tube ends to ensure leakproof joints.
  • Locate and mark reference points for columns or plates on boiler foundations, following blueprints and using straightedges, squares, transits, or measuring instruments.
  • Shape or fabricate parts, such as stacks, uptakes, or chutes, to adapt pressure vessels, heat exchangers, or piping to premises, using heavy-metalworking machines such as brakes, rolls, or drill presses.

💡Inside This Career

The boilermaker builds and maintains large metal vessels—constructing boilers, tanks, and vats, repairing pressure systems, and performing the specialized metalwork that industrial facilities require. A typical day centers on fabrication and repair work. Perhaps 70% of time goes to metalwork: cutting, fitting, welding, and assembling metal plates; installing and repairing boilers and pressure vessels. Another 20% involves inspection and testing—checking welds, testing pressure systems, identifying problems. The remaining time addresses documentation, coordination, and travel to job sites.

People who thrive as boilermakers combine welding skill with engineering understanding and the physical stamina that demanding metal fabrication requires. Successful boilermakers develop expertise in pressure vessel work while building the precision that safety-critical systems demand. They must work in confined spaces and at heights. Those who struggle often cannot handle the extreme physical conditions or find the industrial environments challenging. Others fail because they cannot achieve the weld quality that pressure systems require.

Boilermaking represents specialized heavy industrial metalwork, with workers building and maintaining the pressure systems that power plants, refineries, and industrial facilities depend on. The trade requires exceptional metalworking skill. Boilermakers appear in discussions of skilled trades, industrial maintenance, and the workers who build and repair critical infrastructure.

Practitioners cite the high skill and the meaningful work as primary rewards. The technical challenge is satisfying. The critical infrastructure work is meaningful. The compensation is strong for the skilled trade. The union provides protection and benefits. The variety of industrial settings provides interest. The completed work is massive and tangible. Common frustrations include the conditions and the travel. Many find that the working conditions are extreme—heat, confined spaces, heights. The travel to job sites can be extensive. The work is physically demanding. Shutdown schedules create intense work periods. The industrial environments can be hazardous.

This career requires boilermaker apprenticeship and union training. Strong welding skills, physical stamina, and mechanical aptitude are essential. The role suits those who want challenging skilled trade work and can handle extreme conditions. It is poorly suited to those uncomfortable with confined spaces, unable to travel, or preferring gentler work environments. Compensation is strong for demanding skilled trade work.

📈Career Progression

1
Entry (10th %ile)
0-2 years experience
$49,510
$44,559 - $54,461
2
Early Career (25th %ile)
2-6 years experience
$61,220
$55,098 - $67,342
3
Mid-Career (Median)
5-15 years experience
$71,140
$64,026 - $78,254
4
Experienced (75th %ile)
10-20 years experience
$85,270
$76,743 - $93,797
5
Expert (90th %ile)
15-30 years experience
$102,120
$91,908 - $112,332

📚Education & Training

Requirements

  • Entry Education: High school diploma or equivalent
  • Experience: Some experience helpful
  • On-the-job Training: Few months to one year

Time & Cost

Education Duration
0-0 years (typically 0)
Estimated Education Cost
$0 - $0
Can earn while learning
Source: college board (2024)

🤖AI Resilience Assessment

AI Resilience Assessment

Low Exposure: AI has limited applicability to this work; stable employment prospects

🟡AI-Augmented
Task Exposure
Low

How much of this job involves tasks AI can currently perform

Automation Risk
Low

Likelihood that AI replaces workers vs. assists them

Job Growth
Declining Slowly
-2% over 10 years

(BLS 2024-2034)

Human Advantage
Moderate

How much this role relies on distinctly human capabilities

Sources: AIOE Dataset (Felten et al. 2021), BLS Projections 2024-2034, EPOCH FrameworkUpdated: 2026-01-02

💻Technology Skills

Microsoft OfficeBlueprint reading softwareWelding documentationSafety tracking systems

Key Abilities

Control Precision
Near Vision
Problem Sensitivity
Deductive Reasoning
Arm-Hand Steadiness
Manual Dexterity
Finger Dexterity
Multilimb Coordination
Inductive Reasoning
Oral Comprehension

🏷️Also Known As

AssemblerBoiler Control Technician (Boiler Control Tech)Boiler ErectorBoiler FitterBoiler InstallerBoiler MakerBoiler MechanicBoiler RelinerBoiler RepairmanBoiler Service Technician (Boiler Service Tech)+5 more

🔗Related Careers

Other careers in construction

🔗Data Sources

Last updated: 2025-12-27O*NET Code: 47-2011.00

Work as a Boilermakers?

Help us make this page better. Share your real-world experience, correct any errors, or add context that helps others.