How much does a Customer Support Engineer make in Illinois?
As of May 01, 2026, the average salary for a Customer Support Engineer in Illinois is $111,818 per year, which breaks down to an hourly rate of $54.
However, a Customer Support Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $133,416
- Majority Range (25th-75th percentile): $102,717 to $123,123
- Entry-Level (10th percentile): $94,431