As of August 01, 2026, the average salary for a Proposal Supervisor in South Carolina is $96,610 per year, which breaks down to an hourly rate of $46.
However, a Proposal Supervisor's salary can vary significantly. Here’s a look at the typical salary range:
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A Proposal Supervisor'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 Proposal Supervisor'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 |
|---|---|---|
| Bid/Quote Administrator III | 4-7 years | $83,986 |
| Bid/Quote Administrator IV | 7+ years | $113,741 |
| Proposal Supervisor | 7+ years | $96,605 |
| Bid/Quote Manager | 7+ years | $116,159 |
| Bid/Quote Senior Manager | 7+ years | $150,600 |
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 Proposal Supervisors. For example, consider the average annual salaries in these key locations:
Proposal Supervisor salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $108,149. While startup companies pay approximate $91,492.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $91,492 |
| Growth Stage | 51~500 | $96,763 |
| Established | 501~5000 | $104,437 |
| Enterprise | 5000+ | $108,149 |
For Proposal Supervisor roles, the industry you choose can affect earning potential by as much as 78% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Financial Services sectors offer the strongest compensation, at 25% above the average. In contrast, Proposal Supervisor positions in Transportation or Retail & Wholesale typically offer lower base pay, as these industries often view Proposal Supervisor as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Software & Networking | $120,762 | $58.0 | 25% |
| Financial Services | $115,932 | $56.0 | 20% |
| Pharmaceuticals | $114,000 | $55.0 | 18% |
| Internet | $111,101 | $53.0 | 15% |
| Biotechnology | $108,203 | $52.0 | 12% |
Understanding how a Proposal Supervisor'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, 2026For a Proposal Supervisor, the most direct path to higher earnings is advancing to the Bid/Quote Manager role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $116,200 - a projected growth of 20% over your current level.
Ready to take the next step in your career? Browse thousands of current Proposal Supervisor job openings on our job board. Use the search bar below to find your perfect match.
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