Avg. Base Salary (USD)
The average salary for a Senior Principal Engineer is $145,659 in 2025
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FAQs About Senior Principal Engineers
What is the highest pay for Senior Principal Engineers in Phoenix?
Our data indicates that the highest pay for a Senior Principal Engineer in Phoenix is $177k / year
What is the lowest pay for Senior Principal Engineers in Phoenix?
Our data indicates that the lowest pay for a Senior Principal Engineer in Phoenix is $115k / year
How can Senior Principal Engineers increase their salary?
Increasing your pay as a Senior Principal 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 Principal Engineer that oversees more junior Senior Principal Engineers, this experience can increase the likelihood to earn more.