How much does a Hardware R&D Engineer III make in Illinois?
As of August 01, 2026, the average salary for a Hardware R&D Engineer III in Illinois is $116,503 per year, which breaks down to an hourly rate of $56.
However, a Hardware R&D Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $136,295
- Majority Range (25th-75th percentile): $108,053 to $126,863
- Entry-Level (10th percentile): $100,360