Operate and maintain boilers, generators, and heating and cooling systems that power large buildings and plants.
Building plant rooms and facilities
Full-time, shift and on-call
May 2024–25 BLS wage data · 2024–34 BLS employment projections.
Openings a year counts new jobs plus the ones that open when people retire or move on — a truer picture of your odds than growth alone.
“Median” means half earn more and half earn less. Your city, employer, and years on the job move it a lot — that is what the 10th-to-90th range shows.
High school / no degree
Training path: Long on-the-job training, paid.
Many cities and states require a stationary engineer or boiler operator license.
You can earn while you train. This field has a genuinely paid pathway in — an apprenticeship, a paid academy, or employer-funded training — so you draw a paycheck instead of taking on debt to learn it.
Keeps a building's boilers and systems running — steady, well-paid work that many cities require a license for.
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Standard Occupational Classification 51-8021. Pay, employment, and outlook from the U.S. Bureau of Labor Statistics (OEWS wage survey and 2024–34 employment projections). See something off? Tell us.