How much does a Software Systems Engineer II make in Illinois?
As of May 01, 2026, the average salary for a Software Systems Engineer II in Illinois is $103,536 per year, which breaks down to an hourly rate of $50.
However, a Software Systems Engineer II's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $121,156
- Majority Range (25th-75th percentile): $95,878 to $112,759
- Entry-Level (10th percentile): $88,906