The median annual wage for Stationary Engineers and Boiler Operators in Massachusetts is $76,850 (May 2024 BLS OES). The mean (average) is $75,660.
Pay spans roughly $54,810 at the 10th percentile to $93,240 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $36.95 per hour. An estimated 580 people work as stationary engineers and boiler operators in Massachusetts.
| Median (annual) | $76,850 |
| Mean (annual) | $75,660 |
| Median (hourly) | $36.95 |
| 10th percentile | $54,810 |
| 90th percentile | $93,240 |
| Employment | 580 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.