Mechanical Completion Engineer Salary in Seattle, WA.
Updated on: Aug 12, 2026
How much does a Mechanical Completion Engineer make in Seattle, WA?
The average Mechanical Completion Engineer in Seattle, WA makes $89,929,
51% above the national average Mechanical Completion Engineer salary of $59,457.
This pay is 11% greater than the combined average salaries of other metroes San Jose, CA, Long Beach, CA, and Boston, MA.
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Mechanical Completion Engineer Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals