As of August 01, 2026, the average salary for a Plant Maintenance Engineer in the United States is $99,236 per year, which breaks down to an hourly rate of $48.
However, a Plant Maintenance Engineer's salary can vary significantly. Here’s a look at the typical salary range:
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A Plant Maintenance Engineer'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.
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 Plant Maintenance Engineers. For example, consider the average annual salaries in these key locations:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Analysis | 5.11% |
| AutoCAD | 1.71% |
| Programming | 1.27% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Java
|
$116,106 |
17%
|
|
Python
|
$114,121 |
15%
|
|
Analysis
|
$112,137 |
13%
|
|
Design Engineering
|
$112,137 |
13%
|
|
Presentation
|
$111,144 |
12%
|
|
Programming
|
$111,144 |
12%
|
For Plant Maintenance Engineer roles, the industry you choose can affect earning potential by as much as 65% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Software & Networking sectors offer the strongest compensation, at 25% above the average. In contrast, Plant Maintenance Engineer positions in Transportation or Hospitality & Leisure typically offer lower base pay, as these industries often view Plant Maintenance Engineer as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Biotechnology | $124,045 | $60.0 | 25% |
| Software & Networking | $119,083 | $57.0 | 20% |
| Energy & Utilities | $114,121 | $55.0 | 15% |
| Financial Services | $114,121 | $55.0 | 15% |
| Healthcare | $109,160 | $52.0 | 10% |
Your level of education can impact your salary potential. While many Plant Maintenance Engineers enter the field with a No Diploma 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 Plant Maintenance Engineer with a No Diploma is between $82,008 and $88,535).
Plant Maintenance Engineer Salaries by Degree Level
| Degree Level | % of user with this level of education |
|---|---|
| No Diploma | 75.0% |
| High School | 25.0% |
| Associates | 0.0% |
| Bachelors | 75.0% |
| Masters | 25.0% |
| Doctorate | 0.0% |
Understanding how a Plant Maintenance Engineer'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, 2026Salaries for a Plant Maintenance Engineer can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $88,782 in 2023 to around $88,527 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Plant Maintenance Engineer salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
View More
|
| 2023 | $88,782 |
| 2024 | $88,866 |
| 2025 | $88,527 |
| 2026 |
View More
|
| 2027 |
View More
|
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The Biotechnology industry offers the highest average compensation for Plant Maintenance Engineer roles, with salaries approximately 25% above the market median.
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.)
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