Process Engineering Assistant Salary in Seattle, WA.
Updated on: Mar 25, 2026
How much does a Process Engineering Assistant make in Seattle, WA?
The average Process Engineering Assistant in Seattle, WA makes $140,509,
51% above the national average Process Engineering Assistant salary of $92,898.
This pay is 14% greater than the combined average salaries of other metroes San Jose, CA, Miami, FL, and New Orleans, LA.
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Process Engineering Assistant Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals