As of September 01, 2026, the average annual salary for Network and Computer Systems Administrator in Joliet, IL is $62,909, equivalent to $30 per hour, $1,210 weekly, or $5,242 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 Joliet, IL vary widely, spanning from $52,519 to $70,010. Most professionals fall between the 25th percentile ($57,471) and 75th percentile ($66,626), while top earners (90th percentile) make $70,010 per year. This $9,155 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, Joliet Network and Computer Systems Administrator often earn 2.8% lower than national averages. However, Joliet currently ranks 381 statewide for Network and Computer Systems Administrator job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
