How much does a Senior System Administrator make in Wisconsin? (2025)
As of August 01, 2025, Senior System Administrators in Wisconsin earn an average annual salary of $107,060 with an hourly rate of $51. Salary ranges from $90,456 (10th percentile) to $126,364 (90th percentile), with the majority earning between $98,369 (25th percentile) and $117,165 (75th percentile). Compensation varies based on experience, skills, company size, and local market factors - all explored below.