As of May 01, 2026, the average annual salary for Hydraulic Engineer in Illinois is $61,388, equivalent to $30 per hour, $1,181 weekly, or $5,116 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Hydraulic Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Hydraulic Engineer in Illinois vary widely, spanning from $46,756 to $77,168. Most professionals fall between the 25th percentile ($53,729) and 75th percentile ($69,648), while top earners (90th percentile) make $77,168 per year. This $15,919 pay gap underscores opportunities for salary growth through certifications, specialized skills like Customer Service or Schematic, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Hydraulic Engineer often earn 1.9% higher than national averages due to demand from Fortune 66 companies. However, Illinois currently ranks 14 nationwide for Hydraulic Engineer job salary. Professionals are advised to focus on high-growth sectors like MFG Durable to offset market challenges.
