Skilled trades · Building & Making
Millwright: what the job actually is
Installing, aligning and repairing the heavy machinery inside factories and plants, so the line keeps moving.
Published Last reviewed How we research and correct this
The work
What this job actually is
- Installing, maintaining, troubleshooting and repairing stationary industrial machinery: pumps, fans, conveyors, presses, gearboxes and the hydraulic and pneumatic systems that drive them.
- Skilled Trades Ontario lists Industrial Mechanic Millwright as trade code 433A and as non-compulsory, so you can work in it without certification, though certification is the proof.
- There are two modes. Planned work keeps machines healthy. Breakdown work happens when a plant is losing money every minute the line is stopped.
- A lot of the skill is precision: aligning a motor to a shaft so it does not shake itself apart, or levelling a machine so it runs true.
- The workplace is usually an industrial plant, often a manufacturer, with its own safety rules and its own schedule.
A Tuesday
What a normal day looks like
Not a good day or a bad one. The ordinary version, which is what you would actually be living.
- 6:00 — Start of shift. Read the log of what broke overnight and what is on the planned list.
- 6:20 — Safety meeting and permits, because you are about to work on equipment that could move.
- 6:45 — Lock out the machine, verify it cannot start, and tag it.
- 7:00 — Pull a worn bearing from a conveyor drive and inspect the shaft for damage.
- 9:00 — Fit the new bearing, align the drive and check it with a dial indicator.
- 10:30 — Break. A call comes in: a line has stopped.
- 10:45 — Diagnose the stopped line. Hydraulics, a seized roller, a sensor, or a belt.
- 12:00 — Lunch, or what is left of it.
- 13:00 — Return to the planned job, run the machine, listen to it.
- 14:15 — Write up what you replaced and what to watch, for the next shift.
Honestly
Who loves this, and who should not do it
The second list is the useful one. Nearly every careers page leaves it out, which is why nearly every careers page reads like an advert.
- You like understanding how heavy machines work and what happens when they wear out.
- You like exact work: measuring in small units and getting it right.
- You can stay calm under pressure when something expensive is stopped and people are watching.
- You are comfortable with shift schedules and plant environments.
- You want a trade where a mix of mechanical, hydraulic and electrical knowledge helps.
- Noise, heat and industrial environments are a problem for you. Plants are loud, and the work is often indoors for years.
- Breakdown pressure makes you anxious. When a line is down, everybody wants an answer quickly.
- You dislike shift work or being called in at odd hours.
- You are worried about the sector. Job Bank's Ontario outlook notes employment decline for this group, so check it for yourself before committing.
- Heavy components, confined spaces and awkward positions would be hard on you.
The route in
How you actually get there in Ontario
Get hired as an apprentice
Skilled Trades Ontario lists Industrial Mechanic Millwright as trade code 433A and non-compulsory. Entry still depends on an employer, usually a manufacturer or plant, willing to register you and sign off your hours.Work the hours
The training period is 8,000 hours, which Skilled Trades Ontario describes as approximately four years: 7,280 hours on the job and 720 hours in school.Certify
Skilled Trades Ontario lists this as a Red Seal trade, so the qualification is recognised across Canada. Because the trade is non-compulsory, you can work without it, but certification is what proves your skill to the next employer.Use school programmes to get in
Ontario says OYAP lets students in Grade 11 or 12 earn co-op credits through a placement in a skilled trade. Ask your co-op teacher or board OYAP recruiter whether placements in industrial maintenance exist where you live.
Where this comes from: Skilled Trades Ontario — Industrial Mechanic Millwright (433A) · Ontario — Ontario Youth Apprenticeship Program
The money
What it pays in Ontario
Job Bank's own figures, quoted rather than summarised, with the period they describe — so you can tell how old they are and go and check them.
- $23.00
- Low (hourly)
- $35.59
- Median (hourly)
- $48.50
- High (hourly)
Ontario, NOC 72400. Reference period 2023-2024, last updated by Job Bank on 19 November 2025. Wages vary a lot by region inside Ontario and by how long you have been doing it — the low figure is roughly where you start, not what the job is worth.
Where it is heading
The outlook for the next three years
Job Bank publishes a three-year outlook for every job in every province. It is the closest thing to an honest forecast, and it moves, so read it as a weather report rather than a verdict.
Moderate3 out of 5 stars
- Employment decline will lead to the loss of some positions.
- Several positions will become available due to retirements.
- There are a moderate number of unemployed workers with recent experience in this occupation.
What that rating means: how many openings Job Bank expects in Ontario for this kind of work against how many people are likely to be looking — not whether it is a good job. A “limited” rating means more competition for each opening; it does not close the door, and it can change before you are ready to walk through it.
What is changing in this work
- Favourable levels of construction
- Investments in nuclear power generation
- However, during the forecast period, employment prospects may be constrained by weak business conditions in manufacturing, including automotive and steel production due to economic uncertainty
Who hires for it
- Employed across various industries but with nearly one-half in manufacturing, notably, transportation equipment, food, and primary metal (including steel) production
- Other key employers include construction, utilities, and metal ore mining
- 38,650
- people work in this job in Ontario
- less than 5%
- are women (48% across all jobs)
- 5%
- are self-employed (15% across all jobs)
Source: Job Bank — Construction millwrights and industrial mechanics job prospects in Ontario (NOC 72400). Outlook updated by Job Bank on 10 December 2025; read by us on 5 October 2026.
Before you leave school
Things you can do now
- Take technology, shop, manufacturing and physics courses. Machines and measurement are the language.
- Ask about OYAP and co-op, and ask the board recruiter which employers near you take students.
- Take apart something mechanical you are allowed to take apart, such as an old bike or a broken small engine, and put it back together. Notice whether you enjoyed the puzzle.
- Ask whether your school can arrange a visit to a local manufacturer or a college trades shop.
Test it
Do this before you decide anything
Reading about a job tells you almost nothing. This is designed to be done alone, this week, for free.
Take a worn-out mechanism apart and find the reason it failed
About 90 minutes- Find something mechanical that is already broken and that you own or have permission to dismantle: an old bicycle hub, a manual egg beater, a desk fan with the power unplugged and removed from the wall.
- Take it apart slowly and lay every piece out in order, photographing each step.
- Look for the part that failed: wear, play, a bent shaft. Write one sentence on why you think it failed.
- Put it back together and see if it works better. Watch a video of a technician aligning a motor to a gearbox and compare the care they take with yours.
What it tells you. If finding the worn part gave you a small hit of satisfaction, you may enjoy a day of it, every day. If you got bored halfway through, a job that is mostly this inside a noisy plant is a hard sell.
Better than any article
Questions for somebody who does this job
Most people say yes to a teenager who asks good questions. These are the ones that get real answers rather than encouragement.
- “What is the split between planned maintenance and breakdowns in your week?”
- “How does the shift pattern affect your life?”
- “What is the most satisfying job you have done?”
- “How is your plant doing, and what are people saying about its future?”
- “What other trades do you work alongside, and what do you pick up from them?”
- “What would you do differently if you started now?”
Could you own one of these?
The part other career sites never mention
Sometimes, but it is less common than in some trades. Most millwright work sits inside manufacturers and plants. Contract millwright and industrial maintenance companies exist, and a certified millwright with experience can work for one or start one, but expect equipment, insurance and a few big customers.
Not sure this is the right list to be reading
Start from yourself, not from the job.
Future Finder is free, takes about ten minutes, needs no account and stores nothing. It will tell you which kinds of work you lean toward, and which of these pages are worth your time.
Parent of a teenager weighing this up? Career coaching for teens gets them talking to people who do the work, anywhere in Ontario.
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Wages and training requirements change. Every figure on this page is linked to the body that publishes it, and the review date above says when we last checked. If you find something out of date, tell us and we will fix it.