As of January 01, 2026, the average annual salary for Infrastructure Engineering in Illinois is $114,227, equivalent to $55 per hour, $2,197 weekly, or $9,519 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Infrastructure Engineering in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Infrastructure Engineering in Illinois vary widely, spanning from $99,434 to $131,002. Most professionals fall between the 25th percentile ($106,484) and 75th percentile ($123,008), while top earners (90th percentile) make $131,002 per year. This $16,524 pay gap underscores opportunities for salary growth through certifications, specialized skills like Leadership or Agile, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Infrastructure Engineering often earn 1.9% higher than national averages due to demand from Fortune 54 companies. However, Illinois currently ranks 14 nationwide for Infrastructure Engineering job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.