Process Control Engineer Co-op Salary in Seattle, WA.
Updated on: Apr 29, 2026
How much does a Process Control Engineer Co-op make in Seattle, WA?
The average Process Control Engineer Co-op in Seattle, WA makes $103,867,
51% above the national average Process Control Engineer Co-op salary of $68,672.
This pay is 24% greater than the combined average salaries of other metroes San Jose, CA, Charlotte, NC, and Virginia Beach, VA.
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Process Control Engineer Co-op Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals