How much does a Principal Application Engineer make in Washington?
As of April 01, 2026, the average salary for a Principal Application Engineer in Washington is $126,439 per year, which breaks down to an hourly rate of $61.
However, a Principal Application Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $140,652
- Majority Range (25th-75th percentile): $119,069 to $133,879
- Entry-Level (10th percentile): $112,359