As of June 01, 2026, the average annual salary for Computer Network Support Specialists in Illinois is $126,658, equivalent to $61 per hour, $2,436 weekly, or $10,555 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Computer Network Support Specialists in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Computer Network Support Specialists in Illinois vary widely, spanning from $109,234 to $144,904. Most professionals fall between the 25th percentile ($117,538) and 75th percentile ($136,209), while top earners (90th percentile) make $144,904 per year. This $18,671 pay gap underscores opportunities for salary growth through certifications, specialized skills like Networking or Computer Science, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Computer Network Support Specialists often earn 1.9% higher than national averages due to demand from Fortune 47 companies. However, Illinois currently ranks 14 nationwide for Computer Network Support Specialists job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
