Entry Senior


About This Career

Boilermakers construct, assemble, maintain and repair stationary steam boilers, heat exchangers, liquefied natural gas (LNG) processing trains, tanks and vessels. They also test, inspect, repair and maintain these metal structures.

Boilermakers bring a combination of welding, fabricating and pipefitting to a fabrication, construction or turnaround maintenance job. They align structures or plate sections to assemble boiler frame tanks or vats by following blue print instructions.

Education: A high school diploma (or equivalent) is typically required.

Employment: This occupation is found in onshore environments and is typically employed in the oil and gas services sector of the oil and gas industry.

Example titles: Boiler Fitter, Boiler Installer, Boilermaker Apprentice, Construction Boilermaker, Industrial Boilermaker, Pressure Vessel Fabricator

Work Activities
Communicating with Supervisors, Peers or Subordinates
Signalling crane or hoist operators to lift heavy frame and plate sections or other parts into place.
Getting Information
Testing finished structures using a variety of methods.
Handling and Moving Objects
Attaching rigging to lift heavy frame, plate sections or other parts into place.
Inspecting Equipment, Structures or Material
Inspecting assembled vessels or individual components, such as tubes, fittings, valves, controls or auxiliary mechanisms, to locate any defects.
Judging the Qualities of Things, Services or People
Examining boilers, pressure vessels, tanks or vats to locate defects, such as leaks, weak spots or defective sections, so that they can be repaired.
Installing manholes, handholes, taps, tubes, valves, gauges or feedwater connections in drums of water tube boilers using hand tools.
Performing General Physical Activities
Cleaning pressure vessel equipment using scrapers, wire brushes and cleaning solvents.
Processing Information
Bolting or arc welding pressure vessel structures and parts together using wrenches or welding equipment.
Laying out plate, sheet steel or other heavy metal and locating and marking bending and cutting lines using protractors, compasses and drawing instruments or templates.
Positioning, aligning and securing structural parts or related assemblies to boiler frames, tanks or vats of pressure vessels following blueprints.
Shaping or fabricating 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.
Studying blueprints to determine locations, relationships or dimensions of parts.
Repairing and Maintaining Mechanical Equipment
Repairing or replacing defective pressure vessel parts, such as safety valves or regulators, using torches, jacks, caulking hammers, power saws, threading dies, welding equipment or metalworking machinery.
Attention to Detail
Equipment Selection
Critical Thinking
Career Path
  • Supervisory positions
  • Quality control and quality assurance
  • Inspections
  • Training
Related Careers
Available Jobs
  • There are no recent job postings

How Can I Work in LNG?

As Canada prepares for the launch of a liquefied natural gas (LNG) sector, this occupation will play a key role in:

  • Off-site fabrication
  • LNG export facility construction
  • Turnaround maintenance

When the LNG industry takes off, you can be a part of the action!

Working Conditions
  • Road
    Remote Locations
  • Industrial excavator
    Active Machinery
  • Arrow
    Shift Work
  • Heights
    Working from Heights
  • Overtime
    Some Overtime Required
Similar Jobs In Other Industries
Careers also exist in the following industries:
  • Construction of buildings (residential and non-residential)
  • Heavy and civil engineering construction
  • Transportation equipment manufacturing
Job Details

Job Category



Oil and gas services



Qualifications + Experience


  • High School Diploma (or equivalent)


  • Completion of a three- to four-year apprenticeship program is typically required to become a certified tradesperson. Another route to apprenticeship training is a pre-apprenticeship foundation program. In most provinces, both of these routes can begin in high school.
  • The Red Seal endorsement is the interprovincial standard of excellence, and is available to tradespersons upon successful completion of the Red Seal examination.
  • Standard and emergency first aid
  • Workplace Hazardous Materials Information System (WHMIS)
  • Construction Safety Training System (CSTS)
  • H2S Alive
  • Confined space entry
  • Respirator fit testing
  • Fall protection