▼2%
$114,768
Avg. Base Salary (USD)
/ year
Avg. Base Salary (USD)
10%
$81k
MEDIAN
$115k
90%
$189k
The average salary for a Senior Mechanical Design Engineer is $114,768 in 2025
Base Salary
$81k - $189k
Bonus
$5k - $15k
Profit Sharing
$0 - $1k
Total Pay
$81k - $191k
Is Average Senior Mechanical Design Engineer Salary in Seattle, Washington your job title? Find out what you should be paid
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What is the Pay by Experience Level for Senior Mechanical Design Engineers?
What Do Senior Mechanical Design Engineers Do?
Find your market worth – how it works:
Common Health Benefits for a Senior Mechanical Design Engineer
Medical
100%
Dental
92%
Vision
92%
Gender Breakdown for Senior Mechanical Design Engineers
Male
90.9%
Female
9.1%
This data is based on 11 survey responses. Learn more about the gender pay gap.
FAQs About Senior Mechanical Design Engineers
What is the highest pay for Senior Mechanical Design Engineers in Seattle?
Our data indicates that the highest pay for a Senior Mechanical Design Engineer in Seattle is $189k / year
What is the lowest pay for Senior Mechanical Design Engineers in Seattle?
Our data indicates that the lowest pay for a Senior Mechanical Design Engineer in Seattle is $81k / year
How can Senior Mechanical Design Engineers increase their salary?
Increasing your pay as a Senior Mechanical Design Engineer is possible in different ways. Change of employer: Consider a career move to a new employer that is willing to pay higher for your skills. Level of Education: Gaining advanced degrees may allow this role to increase their income potential and qualify for promotions. Managing Experience: If you are a Senior Mechanical Design Engineer that oversees more junior Senior Mechanical Design Engineers, this experience can increase the likelihood to earn more.