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Boiler operator

Also called boilerman, boiler worker, boiler tender

Boiler operators maintain heating systems such as low-pressure boilers, high-pressure boilers and power boilers. They work mostly in large buildings like power plants or boiler rooms and ensure a safe and environmentally friendly operation of boiler systems.

Will there be jobs?Limited prospects22 jobs to fill by 2035 for every 100 people doing this work today.Stationary plant and machine operatorsWhat does it pay?About averageFrom about €1,000 (Bulgaria) to €5,500 (Denmark) a month, depending on the country.Estimate · Stationary plant and machine operatorsWhat do I need to study?Upper secondary or vocational6 in 10 finished upper secondary or vocational training. 5 in 10 train through vocational routes.Stationary plant and machine operatorsWill AI change it?Very littleLevel 1 of 6. AI could help with only small parts of the tasks.Steam engine and boiler operators · ILO

What you'd do

Steam engine and boiler operators · ILO
  • Operating, cleaning, lubricating and monitoring steam engines, boilers and auxiliary equipment such as pumps, compressors and air-conditioning equipment to supply and maintain steam and power for buildings, marine vessels or pneumatic tools
  • Analysing and recording instrument readings, troubleshooting and performing minor repairs to prevent equipment or system failure
  • Monitoring and inspecting performance of equipment for efficient operation and ensuring boiler water, chemical, and fuel are maintained at required levels
  • Firing coal furnaces by hand or with stokers and gas- or oil-fed boilers, using automatic gas feeds or oil pumps
  • Testing boiler water quality or arrange for testing, adjusting and taking necessary corrective action, such as adding chemicals to prevent corrosion and harmful deposits
  • Monitoring ship‚Äôs engine, machinery and equipment indicators, recording variables and reporting abnormalities to ship‚Äôs engineer officer on watch
  • Operating and maintaining off-loading liquid pumps and valves
Operate boilerMonitor valvesMonitor gaugeOperate water-heating equipmentRead heat meter+ 5 more essential skills
What the work is like
  • Indoors and outdoors
  • A mix of sitting and standing
  • Constant contact with people
  • Good freedom to decide
  • Usually 40 hours a week
  • Deadlines most weeks
  • Some repetitive tasks
US data: based on the O*NET profile of the US job "Stationary Engineers and Boiler Operators"

Will there be jobs?

Limited prospects

Fewer jobs than in most work will need filling by 2035.

People working as stationary plant and machine operators in the EU
4.79m4.76m4.7m 201520232035

Solid: measured. Dashed: forecast.

Jobs to fill, 2026–2035
1,125,000 replacing leavers 71,000 jobs disappear
Jobs to fill per 100 people working now
Stationary plant and machine operators22
All jobs29
Right now
2 of 27 countries report a shortage of steam engine and boiler operators, 1 a surplus.
Steam engine and boiler operators · EURES

What does it pay?

About average

Pay depends a lot on the country: from about €1,000 a month (Bulgaria) to €5,500 (Denmark), before tax.

Pick a country at the top of the page to see typical pay there, for people under 30, and compared with all jobs.

Among plant and machine operators, and assemblers in the EU, women earn 21% less per hour than men. Plant and machine operators, and assemblers · Eurostat

What do I need to study?

Upper secondary or vocational

Upper secondary or vocational training in building and civil engineering is the usual route.

Highest qualification of stationary plant and machine operators (EU, 2025)
Degree 8%Vocational 53%General secondary 10%Basic schooling 29%
Fields that teach it
Building and civil engineering · Electricity and energy
Vocational route, EU
5 in 10 trainees in this field

Pick a country at the top of the page to see where to study and the official course finders.

Will AI change it?

Very little

AI could help with only small parts of the tasks.

How exposed is this job? ILO scale
Very low
Low
Some tasks
Moderate
Significant
High

Average task score 0.20 on a scale from 0 (AI can't do it) to 1 (AI could do it fully).

See the score for each of the 7 tasks
Monitoring and inspecting performance of equipment for efficient operation and ensuring boiler water, chemical, and fuel are maintained at required levels0.26
Analysing and recording instrument readings, troubleshooting and performing minor repairs to prevent equipment or system failure0.23
Monitoring ship’s engine, machinery and equipment indicators, recording variables and reporting abnormalities to ship’s engineer officer on watch0.21
Testing boiler water quality or arrange for testing, adjusting and taking necessary corrective action, such as adding chemicals to prevent corrosion and harmful deposits0.18
Operating, cleaning, lubricating and monitoring steam engines, boilers and auxiliary equipment such as pumps, compressors and air-conditioning equipment to supply and maintain steam and power for buildings, marine vessels or pneumatic tools0.17
Operating and maintaining off-loading liquid pumps and valves0.15
Firing coal furnaces by hand or with stokers and gas- or oil-fed boilers, using automatic gas feeds or oil pumps0.15

Based on what AI could technically do when assessed in 2025. It is not a forecast for a future year, and not a forecast of job losses. Scores for steam engine and boiler operators. Source: ILO (2025), adapted (credits).