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As of August 01, 2026, the average salary for a Mechanical Design Engineer IV in Washington is $139,990 per year, which breaks down to an hourly rate of $67.
However, a Mechanical Design Engineer IV's salary can vary significantly. Here’s a look at the typical salary range:
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Mechanical Design Engineer IV Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $148,890 | $12,408 | $2,863 | $72 |
| Average | $139,990 | $11,666 | $2,692 | $67 |
| 25th Percentile | $131,590 | $10,966 | $2,531 | $63 |
INFOSYS NOVA HOLDINGS LLC - Seattle, WA
KODIAK Construction Recruiting & Staffing - Tacoma, WA
United Systems Mechanical, LLC - Seattle, WA
Oxford Global Resources - Bothell, WA
A Mechanical Design Engineer IV'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 Mechanical Design Engineer IV'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:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Intermediate Mechanical Engineer | 2-4 years | $101,649 |
| Senior Mechanical Engineer | 4-7 years | $117,474 |
| Mechanical Design Engineer IV | 7+ years | $139,977 |
| Expert Mechanical Engineer | 7-10 years | $161,065 |
| Advisor Mechanical Engineer | 10-12 years | $204,921 |
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 Mechanical Design Engineer IVs. 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:
Mechanical Design Engineer IV salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $156,711. While startup companies pay approximate $132,574.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $132,574 |
| Growth Stage | 51~500 | $140,212 |
| Established | 501~5000 | $151,332 |
| Enterprise | 5000+ | $156,711 |
For Mechanical Design Engineer IV roles, the industry you choose can affect earning potential by as much as 60% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Software & Networking sectors offer the strongest compensation, at 30% above the average. In contrast, Mechanical Design Engineer positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Mechanical Design Engineer IV as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Financial Services | $181,987 | $87.0 | 30% |
| Software & Networking | $181,987 | $87.0 | 30% |
| Biotechnology | $174,988 | $84.0 | 25% |
| Internet | $167,988 | $81.0 | 20% |
| Pharmaceuticals | $167,988 | $81.0 | 20% |
Understanding how a Mechanical Design Engineer IV'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 | $148,890 | $12,408 | $2,863 | $72 |
| Average | $139,990 | $11,666 | $2,692 | $67 |
| 25th Percentile | $131,590 | $10,966 | $2,531 | $63 |
Promotions are the fastest way to increase your earnings. As a Mechanical Design Engineer IV, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Manufacturing Product Engineer V | $173,900 | 24% |
| Expert Mechanical Engineer | $161,090 | 15% |
Ready to take the next step in your career? Browse thousands of current Mechanical Design Engineer IV job openings on our job board. Use the search bar below to find your perfect match.
PACIFIC NETTING PRODUCTS, INC.
Kingston, WA
PACIFIC NETTING PRODUCTS, INC. | Kingston, WA
We are seeking a highly skilled and experienced Mechanical and Design Engineer to join our team. The ideal candidate brings several years of hands-on engin... more
4 Days Ago
Jamco America Inc
Everett, WA
Jamco America Inc | Everett, WA
Job Description. Job Description. Summary. This position is responsible for working on assigned Aerospace Lavatory design and modification activities in th... more
4 Days Ago
Everest Consultants, Inc.
Seattle, WA
Everest Consultants, Inc. | Seattle, WA
Title: Sr. Mechanical Design Engineer (Onsite work). Location. Seattle, WA. Duration. FTE / Permanent. Salary is in the range between $140K and $160K. Our ... more
2 Days Ago
Kaiser Permanente
COUNTRY PARK ACRES, NC
Kaiser Permanente | COUNTRY PARK ACRES, NC
Technical Summary: The Member, Care, and Coverage Application Services (MCCAS) Medical Device Integration team provides enterprise governance and technical... more
2 Days Ago
Boeing
PINEHAVEN, SC
Boeing | PINEHAVEN, SC
Job Description At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate tha... more
1 Day Ago
Horstman Inc
STERLING HEIGHTS, MI
Horstman Inc | STERLING HEIGHTS, MI
Job Title: Mechanical Engineer Department: 400 Reports To: Director of Engineering FLSA: Salary - Exempt Prepared By: Human Resources HORSTMAN Horstman is ... more
1 Day Ago
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