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As of August 01, 2026, the average salary for a Principal Test Engineer in Washington is $165,284 per year, which breaks down to an hourly rate of $79.
However, a Principal Test Engineer's salary can vary significantly. Here’s a look at the typical salary range:
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Principal Test Engineer Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $174,967 | $14,581 | $3,365 | $84 |
| Average | $165,284 | $13,774 | $3,179 | $79 |
| 25th Percentile | $153,277 | $12,773 | $2,948 | $74 |
The Talent Mine - Seattle, WA
Algas-SDI International LLC - Kent, WA
Karman Space & Defense - Mukilteo, WA
Reinventing Geospatial, Inc. (RGi) - Aberdeen, WA
A Principal Test Engineer's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Principal Test Engineer's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here’s how the average salary grows at different career stages:
| Levels | Salary |
|---|---|
| Test Engi... Level Principal Test Engineer | $124,996 |
| Test Engi... Level Principal Test Engineer | $150,861 |
| Principal... Level Principal Test Engineer | $164,573 |
| Test Engi... Level Principal Test Engineer | $118,316 |
| Test Engi... Level Principal Test Engineer | $141,146 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Principal Test Engineers. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
For Principal Test Engineer roles, the industry you choose can affect earning potential by as much as 40% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Principal Test Engineer positions in Transportation or Telecom typically offer lower base pay, as these industries often view Principal Test Engineer as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $198,341 | $95.0 | 20% |
| Biotechnology | $198,341 | $95.0 | 20% |
| Chemicals | $198,341 | $95.0 | 20% |
| Energy & Utilities | $198,341 | $95.0 | 20% |
| Financial Services | $198,341 | $95.0 | 20% |
Understanding how a Principal Test Engineer's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $174,967 | $14,581 | $3,365 | $84 |
| Average | $165,284 | $13,774 | $3,179 | $79 |
| 25th Percentile | $153,277 | $12,773 | $2,948 | $74 |
Ready to take the next step in your career? Browse thousands of current Principal Test Engineer job openings on our job board. Use the search bar below to find your perfect match.
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