How much does a Data Systems Engineer make in Illinois?
As of June 01, 2026, the average salary for a Data Systems Engineer in Illinois is $102,407 per year, which breaks down to an hourly rate of $49.
However, a Data Systems Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $112,821
- Majority Range (25th-75th percentile): $93,812 to $107,858
- Entry-Level (10th percentile): $85,987