As of August 01, 2026, the average salary for a Mechanical Design Engineer III in the United States is $108,350 per year, which breaks down to an hourly rate of $52.
However, a Mechanical Design Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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A Mechanical Design Engineer III'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, education, and company size can directly affect your earning potential.
Experience is a primary driver of a Mechanical Design Engineer III'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 |
|---|---|---|
| Entry Mechanical Engineer | 0-2 years | $79,500 |
| Intermediate Mechanical Engineer | 2-4 years | $93,746 |
| Mechanical Design Engineer III | 4-7 years | $108,341 |
| Specialist Mechanical Engineer | 7+ years | $129,094 |
| Expert Mechanical Engineer | 7-10 years | $148,543 |
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 IIIs. For example, consider the average annual salaries in these key locations:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Analysis | 9% |
| Design Engineering | 2.54% |
| AutoCAD | 1.84% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Prototyping
|
$112,684 |
4%
|
|
Computer Vision
|
$112,684 |
4%
|
|
Salesforce
|
$111,601 |
3%
|
|
Algorithms
|
$111,601 |
3%
|
|
Artificial Intelligence
|
$111,601 |
3%
|
|
Machine Learning
|
$111,601 |
3%
|
Mechanical Design Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $121,292. While startup companies pay approximate $102,610.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $102,610 |
| Growth Stage | 51~500 | $108,522 |
| Established | 501~5000 | $117,129 |
| Enterprise | 5000+ | $121,292 |
For Mechanical Design Engineer III 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, Mechanical Design Engineer positions in Transportation or Telecom typically offer lower base pay, as these industries often view Mechanical Design Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $130,020 | $63.0 | 20% |
| Biotechnology | $130,020 | $63.0 | 20% |
| Business Services | $130,020 | $63.0 | 20% |
| Chemicals | $130,020 | $63.0 | 20% |
| Construction | $130,020 | $63.0 | 20% |
Your level of education can impact your salary potential. While many Mechanical Design Engineer IIIs enter the field with a Bachelor's Degree degree, higher education can lead to more specialized and higher-paying roles.
According to our 100% employer-reported salary data, the median salary for a Mechanical Design Engineer III with a Bachelor's Degree is between $110,338 and $116,085).
Mechanical Design Engineer III Salaries by Degree Level
| Degree Level | % of user with this level of education |
|---|---|
| No Diploma | 0.1% |
| High School | 0.4% |
| Associates | 1.6% |
| Bachelors | 48.7% |
| Masters | 38.9% |
| Doctorate | 10.3% |
Understanding how a Mechanical Design Engineer III'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.
Last Updated on August 01, 2026Promotions are the fastest way to increase your earnings. As a Mechanical Design Engineer III, 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 IV | $131,600 | 21% |
| Specialist Mechanical Engineer | $129,100 | 19% |
Salaries for a Mechanical Design Engineer III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $119,047 in 2023 to around $111,074 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Mechanical Design Engineer III salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
View More
|
| 2023 | $119,047 |
| 2024 | $114,095 |
| 2025 | $111,074 |
| 2026 |
View More
|
| 2027 |
View More
|
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The Aerospace & Defense industry offers the highest average compensation for Mechanical Design Engineer III roles, with salaries approximately 20% above the market median.
Engineers typically making around $300,000 a year are often in high-level positions such as Senior Engineering Director, VP of Systems Engineering, or Director of Software Engineering. However, for Mechanical Design Engineers, salaries range from $105,580 to $127,050, with a mid-salary of $115,890, indicating that reaching $300,000 usually requires advancement to executive roles or specialized fields.
Mechanical Design Engineers in the USA typically earn between $105,580 and $127,050 annually. The average salary is around $115,890, reflecting the varying levels of experience and expertise in the field.
The highest-paid mechanical engineers typically include roles such as senior mechanical engineer and senior design engineer. Based on salary data, the minimum salary for a mechanical design engineer is $105,580, with a mid-range salary of $115,890 and a maximum salary of $127,050. These positions often require advanced skills and experience in the field.
The highest salary among engineering roles can vary, but for a Mechanical Design Engineer, the salary ranges from a minimum of $105,580 to a maximum of $127,050, with a mid-salary of $115,890. This positions them competitively within the engineering field, though other specialties like Petroleum Engineers may offer higher earnings.
Mechanical design engineering is a promising career choice. The salary range is attractive, with a minimum of $105,580, a mid-range of $115,890, and a maximum of $127,050. Beyond the competitive pay, this field offers excellent opportunities for career advancement and job stability, making it a desirable profession for many.
The salary for top Mechanical Design Engineers typically ranges from a minimum of $105,580 to a maximum of $127,050, with a mid-level salary around $115,890. This reflects the competitive nature of the field, where experienced professionals can earn significantly higher than entry-level positions.
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