As of July 01, 2026, the average salary for a Firmware Engineer III in Connecticut is $124,000 per year, which breaks down to an hourly rate of $60.
However, a Firmware Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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A Firmware 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, and company size can directly affect your earning potential.
Experience is a primary driver of a Firmware 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 |
|---|---|---|
| Firmware Engineer I | 0-2 years | $85,541 |
| Firmware Engineer II | 2-4 years | $101,287 |
| Firmware Engineer III | 4-7 years | $123,955 |
| Firmware Engineer IV | 7+ years | $151,220 |
| Firmware Engineer V | 7-10 years | $171,581 |
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 Firmware Engineer IIIs. For example, consider the average annual salaries in these key locations:
Firmware Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $138,693. While startup companies pay approximate $117,293.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $117,293 |
| Growth Stage | 51~500 | $124,055 |
| Established | 501~5000 | $133,935 |
| Enterprise | 5000+ | $138,693 |
For Firmware Engineer III roles, the industry you choose can affect earning potential by as much as 50% (the gap between the highest and lowest paying industries). Data shows that the Chemicals and Aerospace & Defense sectors offer the strongest compensation, at 25% above the average. In contrast, Firmware Engineer positions in Telecom or MFG Nondurable typically offer lower base pay, as these industries often view Firmware Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Chemicals | $155,000 | $75.0 | 25% |
| Aerospace & Defense | $148,800 | $72.0 | 20% |
| Energy & Utilities | $146,320 | $70.0 | 18% |
| Business Services | $142,600 | $69.0 | 15% |
| Edu., Gov't. & Nonprofit | $138,880 | $67.0 | 12% |
Understanding how a Firmware 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 July 01, 2026For a Firmware Engineer III, the most direct path to higher earnings is advancing to the Firmware Engineer IV role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $151,300 - a projected growth of 22% over your current level.
Ready to take the next step in your career? Browse thousands of current Firmware Engineer III job openings on our job board. Use the search bar below to find your perfect match.
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