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Mechanical Engineer III Salary in the United States

How much does a Mechanical Engineer III make in the United States?

As of January 01, 2026, the average salary for a Mechanical Engineer III in the United States is $108,351 per year, which breaks down to an hourly rate of $52.

However, a Mechanical Engineer III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $123,810
  • Majority Range (25th-75th percentile): $100,917 to $116,443
  • Entry-Level (10th percentile): $94,149
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View as table View as graph 25% $100,917 10% $94,149 90% $123,810 75% $116,443 $108,351 50%(Median) Didn’t find job title? Click

Mechanical Engineer III Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $116,443 $9,704 $2,239 $56
Average $108,351 $9,029 $2,084 $52
25th Percentile $100,917 $8,410 $1,941 $49
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Key Factors That Influence Mechanical Engineer III Salaries

A Mechanical 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.

How Experience Level Affects Mechanical Engineer Salaries?

Experience is a primary driver of a Mechanical 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:

  • Mechanical Engineer I (0-2 years): $79,503
  • Mechanical Engineer II (2-4 years): $93,746
  • Mechanical Engineer III (4-7 years): $108,351
  • Mechanical Engineer IV (7+ years): $129,106
  • Mechanical Engineer V (7-10 years): $148,626
Job Role Years of Experience Average Salary
Mechanical Engineer I0-2 years$79,503
Mechanical Engineer II2-4 years$93,746
Mechanical Engineer III4-7 years$108,351
Mechanical Engineer IV7+ years$129,106
Mechanical Engineer V7-10 years$148,626
$79,503 Mechanica...
$93,746 Mechanica...
$108,351 Mechanica...
$129,106 Mechanica...
$148,626 Mechanica...
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What Am I Worth?

How Do Mechanical Engineer III Salaries Vary from State to State?

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 Engineer IIIs. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $119,966.
  • California: $119,511.
  • Massachusetts: $117,918.

Top Paying Cities for Mechanical Engineer IIIs

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:

  • San Jose: $136,663
  • San Francisco: $135,320
  • Oakland: $132,318

What Skills Can Increase a Mechanical Engineer III's Salary?

Demanded Skills for the Role:

  • Analysis (Mentioned in 9% Job Postings): Analysis is the process of considering something carefully or using statistical methods in order to understand it or explain it.
  • Design Engineering (Mentioned in 2.54% Job Postings): Creating a system, component, or process to develop new products and systems.
  • AutoCAD (Mentioned in 1.84% Job Postings): AutoCAD is a commercial computer-aided design and drafting software application. Developed and marketed by Autodesk, AutoCAD was first released in December 1982 as a desktop app running on microcomputers with internal graphics controllers.
See More Skills
Skills Demand Percentage
Analysis 9%
Design Engineering 2.54%
AutoCAD 1.84%
What skills can make your compensation higher?
Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a Mechanical Engineer III's salary.
  • Prototyping: Can increase your salary by up to 4%.
  • Computer Vision: Can increase your salary by up to 4%.
  • Salesforce: Can increase your salary by up to 3%.
Skill Salary Salary % Increase
Prototyping
$112,685
4%
Computer Vision
$112,685
4%
Salesforce
$111,602
3%
Algorithms
$111,602
3%
Artificial Intelligence
$111,602
3%
Machine Learning
$111,602
3%
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How Education impacts a Mechanical Engineer III's Salary?

Your level of education can impact your salary potential. While many Mechanical 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 Engineer III with a Bachelor's Degree is between $110,889 and $116,664).

Mechanical Engineer III Salaries by Degree Level

Typical Education for Mechanical Engineer III
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%
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Mechanical Engineer III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Mechanical 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 January 01, 2026

Mechanical Engineer III Salary Growth & Career Path

Promotions are the fastest way to increase your earnings. As a Mechanical 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.

Mechanical Engineer III Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
Mechanical Product Engineer IV $131,588 21%
Mechanical Engineer IV $129,106 19%

Most common benefits for Mechanical Engineer III

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Mechanical Engineer III

Here are companies hiring for Mechanical Engineer III and their salaries, click below for more details.

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Ready to take the next step in your career? Browse thousands of current Mechanical Engineer III job openings on our job board. Use the search bar below to find your perfect match.

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FAQ about Mechanical Engineer III

1. Where can a Mechanical Engineer III earn the most?

A Mechanical Engineer III's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Mechanical Engineer III earns the most in San Jose, CA, where the annual salary of a Mechanical Engineer III is $136,663.

2. What is the highest pay for Mechanical Engineer III?

The highest pay for Mechanical Engineer III is $123,810.

3. What is the lowest pay for Mechanical Engineer III?

The lowest pay for Mechanical Engineer III is $94,149.

4. What are the responsibilities of Mechanical Engineer III?

Designs, analyzes, and maintains mechanical components and systems to meet specified requirements and standards. Utilizes technical instruments to develop specifications for new parts, modifications, or prototypes. Identifies appropriate materials and processes to ensure the quality, performance, and manufacturability of products. Utilizes CAD software and other design and modeling tools to plan, develop, and improve mechanical parts or components and communicate conceptual designs and specifications to stakeholders. Conducts prototype testing to evaluate the performance, reliability, and safety of mechanical systems and collects and analyzes data for improvements. Analyzes and troubleshoots mechanical issues or failures to identify root causes and develop solutions. Requires a bachelor's degree in mechanical engineering. Typically reports to a manager. Work is generally independent and collaborative in nature. Contributes to moderately complex aspects of a project. Typically requires 4-7 years of related experience.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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