How much does an Infrastructure Engineer III make in Washington?
As of August 01, 2026, the average salary for an Infrastructure Engineer III in Washington is $121,680 per year, which breaks down to an hourly rate of $59.
However, an Infrastructure Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $147,624
- Majority Range (25th-75th percentile): $113,840 to $135,260
- Entry-Level (10th percentile): $106,702