How much does a Computer Systems Engineer make in Illinois?
As of April 01, 2026, the average salary for a Computer Systems Engineer in Illinois is $82,774 per year, which breaks down to an hourly rate of $40.
However, a Computer Systems Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $99,982
- Majority Range (25th-75th percentile): $75,683 to $91,781
- Entry-Level (10th percentile): $69,227