Stationary Operating Engineering Supervisor Salary in Washington

How much does a Stationary Operating Engineering Supervisor make in Washington?

As of August 01, 2026, the average salary for a Stationary Operating Engineering Supervisor in Washington is $89,470 per year, which breaks down to an hourly rate of $43.

However, a Stationary Operating Engineering Supervisor's salary can vary significantly. Here’s a look at the typical salary range:

• Top Earners (90th percentile): $114,554
• Majority Range (25th-75th percentile): $80,840 to $102,600
• Entry-Level (10th percentile): $72,983