Average Principle Mechanical Engineer Salary

$118,225
Avg. Base Salary (USD)
10%
$88k
MEDIAN
$118k
90%
$165k

The average salary for a Principle Mechanical Engineer is $118,225 in 2025

Base Salary
$88k - $165k
Bonus
$507 - $15k
Profit Sharing
$0 - $11k
Total Pay
$89k - $155k
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FAQs About Principle Mechanical Engineers

What is the highest pay for Principle Mechanical Engineers?

Our data indicates that the highest pay for a Principle Mechanical Engineer is $165k / year

What is the lowest pay for Principle Mechanical Engineers?

Our data indicates that the lowest pay for a Principle Mechanical Engineer is $88k / year

How can Principle Mechanical Engineers increase their salary?

Increasing your pay as a Principle Mechanical 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 Principle Mechanical Engineer that oversees more junior Principle Mechanical Engineers, this experience can increase the likelihood to earn more.