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mechanical engineer iii Salary in washington

Based on 2 active job postings in washington  ·  Updated 2026

Min Salary
$124,800
per year
Average Salary
$84,746
per year
Max Salary
$169,432
per year
Jobs Found
2
active listings
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Open mechanical engineer iii Jobs in washington 2

Intelliswift Software Inc Seattle, Washington
$60 Full Time
RTM Engineering Consultants, LLC Bellevue, Washington
Full Time

mechanical engineer iii Salary FAQ

What is the average mechanical engineer iii salary in washington?
Based on 2 recent job postings, the average annual salary for a mechanical engineer iii in washington is approximately $84,746, with a range of $124,800 – $169,432.
How do I negotiate my mechanical engineer iii salary?
Research comparable roles in your area, document your accomplishments, and arrive at negotiations with data. Use total compensation (base + bonus + equity + benefits) as your benchmark, not just base pay.
What factors affect mechanical engineer iii compensation in washington?
Key factors include years of experience, technical certifications, company size (startup vs. enterprise), industry (tech vs. finance vs. healthcare), and whether the role is remote-first or on-site in a high cost-of-living metro.