How much does a Technical Support Engineer III make in Illinois?
As of May 01, 2026, the average salary for a Technical Support Engineer III in Illinois is $107,383 per year, which breaks down to an hourly rate of $52.
However, a Technical Support Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $128,294
- Majority Range (25th-75th percentile): $96,264 to $118,328
- Entry-Level (10th percentile): $86,140