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Corrosion Engineer III Salary in the United States

How much does a Corrosion Engineer III make in the United States?

As of September 01, 2026, the average salary for a Corrosion Engineer III in the United States is $137,018 per year, which breaks down to an hourly rate of $66.

However, a Corrosion Engineer III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $150,617
  • Majority Range (25th-75th percentile): $128,301 to $144,136
  • Entry-Level (10th percentile): $120,365
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Corrosion Engineer III Salaries

A Corrosion 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.

How Experience Level Affects Corrosion Engineer III Salaries?

Experience is a primary driver of a Corrosion 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:

  • Corrosion Engineer I (2-4 years): $93,346
  • Corrosion Engineer II (4-7 years): $112,537
  • Corrosion Engineer III (7+ years): $137,018
  • Corrosion Maintenance Supervisor (7+ years): $132,363
  • Corrosion Engineering Manager (7+ years): $169,217
Job Role Years of Experience Average Salary
Corrosion Engineer I2-4 years$93,346
Corrosion Engineer II4-7 years$112,537
Corrosion Engineer III7+ years$137,018
Corrosion Maintenance Supervisor7+ years$132,363
Corrosion Engineering Manager7+ years$169,217
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How Do Corrosion Engineer III Salaries Vary from State to State?

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 Corrosion Engineer IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $151,706.
  • California: $151,131.
  • Massachusetts: $149,117.

Top Paying Cities for Corrosion Engineer IIIs

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:

  • San Jose: $172,821
  • San Francisco: $170,929
  • Oakland: $167,326

Corrosion Engineer III Salary by Company Size: Startups vs. Enterprise

Corrosion Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $159,196. While startup companies pay approximate $134,837.

Corrosion Engineer III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $134,837
Growth Stage 51~500 $142,548
Established 501~5000 $153,792
Enterprise 5000+ $159,196

Corrosion Engineer III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Corrosion 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 September 01, 2026
$128,301
Average $137,018/year
$144,136
$10,692
Average $11,418/month
$12,011
$2,467
Average $2,635/week
$2,772
$62
Average $66/hour
$69
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $144,136 $12,011 $2,772 $69
Average $137,018 $11,418 $2,635 $66
25th Percentile $128,301 $10,692 $2,467 $62

Corrosion Engineer III Salary Growth & Career Path

Corrosion Engineer III

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Advancement

For a Corrosion Engineer III, the most direct path to higher earnings is advancing to the Corrosion Maintenance Supervisor role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $132,363 - a projected growth of -3% over your current level.

Most common benefits for Corrosion Engineer III

  • Social Security
  • 401 (k)
  • Disability
  • Healthcare
  • Pension
  • Time Off (days)

Common company salaries for Corrosion Engineer III

Here are companies hiring for Corrosion Engineer III and their salaries, click below for more details.

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FAQ about Corrosion Engineer III

1. Where can a Corrosion Engineer III earn the most?

A Corrosion Engineer III's earning potential can vary widely depending on several factors, including location, industry, experience, education, and the specific employer. According to the latest salary data by Salary.com, a Corrosion Engineer III earns the most in San Jose, CA, where the annual salary of a Corrosion Engineer III is $172,821.

2. What is the highest pay for Corrosion Engineer III?

The highest pay for Corrosion Engineer III is $150,617.

3. What is the lowest pay for Corrosion Engineer III?

The lowest pay for Corrosion Engineer III is $120,365.

4. What are the responsibilities of Corrosion Engineer III?

Ensures pipeline and equipment integrity and maintains protection from corrosion using cathodic protection programs, pigging operations, and inspection processes. Performs inspections, field audits, criticality assessments, and failure analyses. Prepares specifications, designs, and work plans for cathodic protection program implementations. Monitors maintenance projects for compliance and quality. Requires a bachelor's degree in engineering or equivalent. Requires a valid Driver's license. Typically reports to a manager. Work is highly independent. May assume a team lead role for the work group. A specialist on complex technical and business matters. Typically requires 7+ years of related experience.

Where Does Our Salary Data Come From?

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.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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