How much does a Process Engineer IV make in Washington?
As of March 01, 2026, the average salary for a Process Engineer IV in Washington is $146,002 per year, which breaks down to an hourly rate of $70.
However, a Process Engineer IV's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $164,546
- Majority Range (25th-75th percentile): $133,255 to $155,709
- Entry-Level (10th percentile): $121,650