Plant Operations Engineer Salary in Seattle, WA.
Updated on: Jan 21, 2026
How much does a Plant Operations Engineer make in Seattle, WA?
The average Plant Operations Engineer in Seattle, WA makes $179,000,
51% above the national average Plant Operations Engineer salary of $118,346.
This pay is 12% greater than the combined average salaries of other metroes San Jose, CA, San Francisco, CA, and Nashville, TN.
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*Data is estimated and depends on the generous anonymous contributions of individuals