Site Engineer - Mechanical Salary in Seattle, WA.
Updated on: Feb 18, 2026
How much does a Site Engineer - Mechanical make in Seattle, WA?
The average Site Engineer - Mechanical in Seattle, WA makes $131,720,
51% above the national average Site Engineer - Mechanical salary of $87,087.
This pay is 11% greater than the combined average salaries of other metroes San Jose, CA, San Diego, CA, and Philadelphia, PA.
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Site Engineer - Mechanical Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals