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As of August 01, 2026, the average salary for an Infrastructure Engineer III in Maine is $109,410 per year, which breaks down to an hourly rate of $53.
However, an Infrastructure Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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Infrastructure Engineer III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $121,620 | $10,135 | $2,339 | $58 |
| Average | $109,410 | $9,118 | $2,104 | $53 |
| 25th Percentile | $102,360 | $8,530 | $1,968 | $49 |
Marriott International, Inc - PFLUGERVILLE, TX
Marriott International, Inc - UHLAND, TX
Marriott International, Inc - BRUSHY CREEK, TX
Marriott International, Inc - CIRCLEVILLE, TX
An Infrastructure 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 an Infrastructure 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 |
|---|---|---|
| Facilities Project Engineer I | 0-2 years | $77,745 |
| Facilities Project Engineer II | 2-4 years | $89,119 |
| Infrastructure Engineer III | 4-7 years | $109,409 |
| Facilities Project Engineer IV | 7+ years | $131,170 |
| Facilities Project Engineer V | 7-10 years | $146,494 |
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 Infrastructure Engineer IIIs. 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:
Infrastructure Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $122,478. While startup companies pay approximate $103,614.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $103,614 |
| Growth Stage | 51~500 | $109,584 |
| Established | 501~5000 | $118,274 |
| Enterprise | 5000+ | $122,478 |
For Infrastructure Engineer III roles, the industry you choose can affect earning potential by as much as 45% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Healthcare sectors offer the strongest compensation, at 20% above the average. In contrast, Infrastructure Engineer positions in Retail & Wholesale or Transportation typically offer lower base pay, as these industries often view Infrastructure Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Financial Services | $131,292 | $63.0 | 20% |
| Healthcare | $131,292 | $63.0 | 20% |
| Software & Networking | $131,292 | $63.0 | 20% |
| Energy & Utilities | $125,821 | $60.0 | 15% |
| Pharmaceuticals | $125,821 | $60.0 | 15% |
Understanding how an Infrastructure 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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $121,620 | $10,135 | $2,339 | $58 |
| Average | $109,410 | $9,118 | $2,104 | $53 |
| 25th Percentile | $102,360 | $8,530 | $1,968 | $49 |
Promotions are the fastest way to increase your earnings. As an Infrastructure Engineer III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Facilities Project Engineer IV | $131,200 | 20% |
| Production Facilities Engineer IV | $135,090 | 23% |
Ready to take the next step in your career? Browse thousands of current Infrastructure Engineer III job openings on our job board. Use the search bar below to find your perfect match.
Kaiser Permanente
COUNTRY PARK ACRES, NC
Kaiser Permanente | COUNTRY PARK ACRES, NC
Kaiser Permanente seeks a senior IT Infrastructure Engineer to lead design, implementation, and support of enterprise Privileged Access Management (PAM) so... more
6 Days Ago
Kaiser Permanente
COUNTRY PARK ACRES, NC
Kaiser Permanente | COUNTRY PARK ACRES, NC
Kaiser Permanente seeks an IT Infrastructure Engineer V to design, implement, and optimize secure, scalable infrastructure supporting enterprise healthcare... more
9 Days Ago
Kaiser Permanente
COUNTRY PARK ACRES, NC
Kaiser Permanente | COUNTRY PARK ACRES, NC
Kaiser Permanente seeks a Principal IT Infrastructure Engineer to lead the design, implementation, and optimization of secure, scalable infrastructure supp... more
9 Days Ago
Kaiser Permanente
COUNTRY PARK ACRES, NC
Kaiser Permanente | COUNTRY PARK ACRES, NC
As an IT Infrastructure Engineer IV at Kaiser Permanente, supporting Systeme.io’s all-in-one marketing platform, you will architect, build, and optimize se... more
9 Days Ago
Marriott
ATLANTA, GA
Marriott | ATLANTA, GA
Marriott International is seeking a seasoned Engineer III to join our Engineering & Maintenance team, supporting our expansive portfolio of over 8,000 prop... more
6 Days Ago
Waste Management
PORTLAND, OR
Waste Management | PORTLAND, OR
Waste Management, Inc., a leader in environmental solutions, is seeking a highly skilled Engineer III to join our Engineering & Maintenance department. At ... more
12 Days Ago
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