Process Engineer I Salary in Seattle, WA.
Updated on: Jan 28, 2026
How much does a Process Engineer I make in Seattle, WA?
The average Process Engineer I in Seattle, WA makes $168,196,
51% above the national average Process Engineer I salary of $111,203.
This pay is 25% greater than the combined average salaries of other metroes San Jose, CA, Jacksonville, FL, and Nashville, TN.
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*Data is estimated and depends on the generous anonymous contributions of individuals