As of January 01, 2026, the average annual salary for Computer Systems Technologist in Illinois is $56,191, equivalent to $27 per hour, $1,081 weekly, or $4,683 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Computer Systems Technologist in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Computer Systems Technologist in Illinois vary widely, spanning from $48,253 to $65,771. Most professionals fall between the 25th percentile ($52,036) and 75th percentile ($61,206), while top earners (90th percentile) make $65,771 per year. This $9,170 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Active Directory, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Computer Systems Technologist often earn 1.9% higher than national averages due to demand from Fortune 30 companies. However, Illinois currently ranks 14 nationwide for Computer Systems Technologist job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.