Stationary Engineers


Stationary engineers operate and maintain boilers, fans, pumps, air compressors, electric motors, engines, turbines, generators, refrigeration and HVAC systems, diesel engines, and heating systems in commercial and industrial buildings. They monitor boiler water levels and burners, temperatures and pressures, heating, cooling and ventilation systems. Stationary engineers also perform work as custodial engineers and as wastewater and water treatment engineers.


Work is conducted inside and outside in all kinds of weather conditions. Workers carry tools and climb scaffolds, work at different elevations and in cramped, confined spaces.


The stationary engineer apprenticeship and waste water/water treatment apprenticeship is a four-year program requiring 8,000 hours of on-the-job training, along with 144 hours of supplemental classroom training per year.


  • At least 19 years old.
  • Must have high school diploma or GED.
  • Be physically able to meet the demands of the trade.
  • Possess a valid driver’s license and dependable transportation.
  • Must be able to read, write and speak English.

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