As of July 01, 2026, the average salary for a Stationary Engineer III in Idaho is $63,550 per year, which breaks down to an hourly rate of $31.
However, a Stationary Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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A Stationary 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 Stationary 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 |
|---|---|---|
| Stationary Engineer I | 0-1 years | $50,557 |
| Stationary Engineer II | 1-3 years | $56,171 |
| Stationary Engineer III | 3-5 years | $63,550 |
| Stationary Engineer IV | 5-7 years | $79,235 |
| Stationary Engineer Supervisor | 7+ years | $77,010 |
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 Stationary Engineer IIIs. For example, consider the average annual salaries in these key locations:
Stationary Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $71,080. While startup companies pay approximate $60,112.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $60,112 |
| Growth Stage | 51~500 | $63,578 |
| Established | 501~5000 | $68,641 |
| Enterprise | 5000+ | $71,080 |
For Stationary Engineer III roles, the industry you choose can affect earning potential by as much as 100% (the gap between the highest and lowest paying industries). Data shows that the Pharmaceuticals and Biotechnology sectors offer the strongest compensation, at 60% above the average. In contrast, Stationary Engineer positions in Hospitality & Leisure or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Stationary Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Pharmaceuticals | $101,680 | $49.0 | 60% |
| Biotechnology | $95,325 | $46.0 | 50% |
| Software & Networking | $92,147 | $44.0 | 45% |
| Financial Services | $88,970 | $43.0 | 40% |
| Energy & Utilities | $82,615 | $40.0 | 30% |
Understanding how a Stationary 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 Stationary Engineer III, the most direct path to higher earnings is advancing to the Stationary Engineer IV role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $79,235 - a projected growth of 25% over your current level.
Ready to take the next step in your career? Browse thousands of current Stationary Engineer III job openings on our job board. Use the search bar below to find your perfect match.
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