As of April 01, 2026, the average annual salary for Optical Engineering in Illinois is $73,155, equivalent to $35 per hour, $1,407 weekly, or $6,096 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Optical Engineering in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Optical Engineering in Illinois vary widely, spanning from $56,739 to $81,551. Most professionals fall between the 25th percentile ($64,562) and 75th percentile ($77,550), while top earners (90th percentile) make $81,551 per year. This $12,988 pay gap underscores opportunities for salary growth through certifications, specialized skills like Customer Service or Work Ethic, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Optical Engineering often earn 1.9% higher than national averages due to demand from Fortune 30 companies. However, Illinois currently ranks 14 nationwide for Optical Engineering job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
