How much does a Principal Project Engineer make in Oklahoma?
As of May 01, 2026, the average salary for a Principal Project Engineer in Oklahoma is $141,972 per year, which breaks down to an hourly rate of $68.
However, a Principal Project Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $145,583
- Majority Range (25th-75th percentile): $135,929 to $143,862
- Entry-Level (10th percentile): $130,427