The median annual wage for Stationary Engineers and Boiler Operators in Maryland is $82,960 (May 2024 BLS OES). The mean (average) is $87,740.
Pay spans roughly $65,030 at the 10th percentile to $118,000 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $39.88 per hour. An estimated 1,170 people work as stationary engineers and boiler operators in Maryland.
| Median (annual) | $82,960 |
| Mean (annual) | $87,740 |
| Median (hourly) | $39.88 |
| 10th percentile | $65,030 |
| 90th percentile | $118,000 |
| Employment | 1,170 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.