As of January 01, 2026, the average annual salary for Assembly Engineer in Illinois is $42,121, equivalent to $20 per hour, $810 weekly, or $3,510 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Assembly Engineer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Assembly Engineer in Illinois vary widely, spanning from $35,687 to $49,157. Most professionals fall between the 25th percentile ($38,753) and 75th percentile ($45,804), while top earners (90th percentile) make $49,157 per year. This $7,051 pay gap underscores opportunities for salary growth through certifications, specialized skills like Commitment or Pneumatics, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Assembly Engineer often earn 1.9% higher than national averages due to demand from Fortune 50 companies. However, Illinois currently ranks 14 nationwide for Assembly Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
