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As of August 01, 2026, the average salary for a Civil Infrastructure Engineer III in Maine is $103,180 per year, which breaks down to an hourly rate of $50.
However, a Civil Infrastructure Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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Civil Infrastructure Engineer III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $111,400 | $9,283 | $2,142 | $54 |
| Average | $103,180 | $8,598 | $1,984 | $50 |
| 25th Percentile | $95,000 | $7,917 | $1,827 | $46 |
Obrien Engineering Inc - DALLAS, TX
The Shaw Group, LLC - OAK RIDGE NORTH, TX
Cannon Corp - HUNTINGTON, CA
Lane Enterprises Inc - BEALETON, VA
A Civil 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 a Civil 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 |
|---|---|---|
| Civil Infrastructure Engineer I | 0-2 years | $72,299 |
| Civil Infrastructure Engineer II | 2-4 years | $88,027 |
| Civil Infrastructure Engineer III | 4-7 years | $103,176 |
| Civil/Construction/Structural Engineer IV | 7+ years | $120,849 |
| Civil Infrastructure Engineer V | 7-10 years | $144,335 |
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 Civil 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:
Civil 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 $115,504. While startup companies pay approximate $97,714.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $97,714 |
| Growth Stage | 51~500 | $103,344 |
| Established | 501~5000 | $111,540 |
| Enterprise | 5000+ | $115,504 |
For Civil 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 Software & Networking and Aerospace & Defense sectors offer the strongest compensation, at 25% above the average. In contrast, Civil Infrastructure Engineer positions in Hospitality & Leisure or Energy & Utilities typically offer lower base pay, as these industries often view Civil Infrastructure Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Software & Networking | $128,975 | $62.0 | 25% |
| Aerospace & Defense | $123,816 | $60.0 | 20% |
| Transportation | $121,752 | $59.0 | 18% |
| Financial Services | $118,657 | $57.0 | 15% |
| MFG Durable | $115,562 | $56.0 | 12% |
Understanding how a Civil 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 | $111,400 | $9,283 | $2,142 | $54 |
| Average | $103,180 | $8,598 | $1,984 | $50 |
| 25th Percentile | $95,000 | $7,917 | $1,827 | $46 |
Promotions are the fastest way to increase your earnings. As a Civil 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 |
|---|---|---|
| Civil/Construction/Structural Engineer IV | $120,850 | 17% |
| Specialist Structural Engineer | $120,900 | 17% |
| Engineer, Specialist - Transportation | $120,000 | 16% |
Ready to take the next step in your career? Browse thousands of current Civil Infrastructure Engineer III job openings on our job board. Use the search bar below to find your perfect match.
Marriott International, Inc
PINEY POINT VILLAGE, TX
Marriott International, Inc | PINEY POINT VILLAGE, TX
Additional Information Job Number 26106519 Job Category Engineering & Facilities Location 945 Gessner Rd, Houston, Texas, United States, 77024 VIEW ON MAP ... more
1 Day Ago
Marriott
FOUR POINTS, TX
Marriott | FOUR POINTS, TX
Marriott International is seeking a seasoned Engineer III to join our Engineering & Maintenance team, supporting our expansive portfolio of over 8,000 prop... more
1 Day Ago
Marriott
GREGG, TX
Marriott | GREGG, TX
Marriott International is seeking a seasoned Engineer III to join our Engineering & Maintenance team, supporting our expansive portfolio of over 8,000 prop... more
1 Day Ago
Marriott
CIRCLEVILLE, TX
Marriott | CIRCLEVILLE, TX
Marriott International is seeking a seasoned Engineer III to join our Engineering & Maintenance team, supporting our expansive portfolio of over 8,000 prop... more
1 Day Ago
Constellation Energy
DOWNINGTOWN, PA
Constellation Energy | DOWNINGTOWN, PA
Constellation Energy seeks a Mechanical or Civil/Structural Engineer to join our Engineering & Design team in the Energy & Utilities sector. In this role, ... more
2 Days Ago
Marriott
PORT EVERGLADES, FL
Marriott | PORT EVERGLADES, FL
Join Marriott International, a pioneer in global lodging with a legacy of unmatched services spanning over 139 countries, as our next Maintenance Engineer ... more
1 Day Ago
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