How much does a Mechanical Project Engineer make in Washington?
As of February 01, 2026, the average salary for a Mechanical Project Engineer in Washington is $91,793 per year, which breaks down to an hourly rate of $44.
However, a Mechanical Project Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $108,006
- Majority Range (25th-75th percentile): $82,749 to $100,279
- Entry-Level (10th percentile): $74,515