How much does a Principal Process Engineer make in District of Columbia?
As of May 01, 2026, the average salary for a Principal Process Engineer in District of Columbia is $152,464 per year, which breaks down to an hourly rate of $73.
However, a Principal Process Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $172,006
- Majority Range (25th-75th percentile): $139,599 to $162,693
- Entry-Level (10th percentile): $127,887