As of July 01, 2026, the average salary for a Mechanical Design Engineer Senior in South Carolina is $75,957 per year, which breaks down to an hourly rate of $37.
However, a Mechanical Design Engineer Senior's salary can vary significantly. Here’s a look at the typical salary range:
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Mechanical Design Engineer Senior Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $82,659 | $6,888 | $1,590 | $40 |
| Average | $75,957 | $6,330 | $1,461 | $37 |
| 25th Percentile | $71,555 | $5,963 | $1,376 | $34 |
A Mechanical Design Engineer Senior'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.
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 Seniors. 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 Mechanical Design Engineer Senior roles, the industry you choose can affect earning potential by as much as 35% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Software & Networking sectors offer the strongest compensation, at 15% above the average. In contrast, Mechanical Design Engineer Senior positions in Hospitality & Leisure or Transportation typically offer lower base pay, as these industries often view Mechanical Design Engineer Senior as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Biotechnology | $87,350 | $42.0 | 15% |
| Software & Networking | $87,350 | $42.0 | 15% |
| Insurance | $85,072 | $41.0 | 12% |
| Energy & Utilities | $83,553 | $40.0 | 10% |
| Financial Services | $83,553 | $40.0 | 10% |
Understanding how a Mechanical Design Engineer Senior'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 | $82,659 | $6,888 | $1,590 | $40 |
| Average | $75,957 | $6,330 | $1,461 | $37 |
| 25th Percentile | $71,555 | $5,963 | $1,376 | $34 |
Ready to take the next step in your career? Browse thousands of current Mechanical Design Engineer Senior job openings on our job board. Use the search bar below to find your perfect match.
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