How much does a Systems Software Engineer make in Illinois?
As of January 01, 2026, the average salary for a Systems Software Engineer in Illinois is $80,561 per year, which breaks down to an hourly rate of $39.
However, a Systems Software Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $93,130
- Majority Range (25th-75th percentile): $73,857 to $87,140
- Entry-Level (10th percentile): $67,754