How much does a Principal Process Engineer make in Oklahoma?
As of May 01, 2026, the average salary for a Principal Process Engineer in Oklahoma is $127,319 per year, which breaks down to an hourly rate of $61.
However, a Principal Process Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $143,639
- Majority Range (25th-75th percentile): $116,576 to $135,862
- Entry-Level (10th percentile): $106,795