Plant Operation Engineer Salary in Chicago, IL.
Updated on: Oct 29, 2025
How much does a Plant Operation Engineer make in Chicago, IL?
The average Plant Operation Engineer in Chicago, IL makes $148,609,
23% above the national average Plant Operation Engineer salary of $120,982.
This pay is 14% lower than the combined average salaries of other metroes San Jose, CA, Phoenix, AZ, and San Francisco, CA.
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Plant Operation Engineer Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals