As of July 01, 2026, the average annual salary for Network and Computer Systems Administrator in Illinois is $64,746, equivalent to $31 per hour, $1,245 weekly, or $5,396 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Network and Computer Systems Administrator in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Network and Computer Systems Administrator in Illinois vary widely, spanning from $54,053 to $72,050. Most professionals fall between the 25th percentile ($59,148) and 75th percentile ($68,569), while top earners (90th percentile) make $72,050 per year. This $9,421 pay gap underscores opportunities for salary growth through certifications, specialized skills like Troubleshooting or Azure, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Network and Computer Systems Administrator often earn 1.9% higher than national averages due to demand from Fortune 76 companies. However, Illinois currently ranks 14 nationwide for Network and Computer Systems Administrator job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
