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Process Optimization Engineer III Salary in the United States

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

As of October 01, 2026, the average salary for a Process Optimization Engineer III in the United States is $110,190 per year, which breaks down to an hourly rate of $53.

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

  • Top Earners (90th percentile): $126,620
  • Majority Range (25th-75th percentile): $100,390 to $118,790
  • Entry-Level (10th percentile): $91,468
Salary Factors Salary-Boosting Skills Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Key Factors That Influence Process Optimization Engineer III Salaries

A Process Optimization 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, education and company size can directly affect your earning potential.

How Experience Level Affects Process Optimization Engineer Salaries?

Experience is a primary driver of a Process Optimization 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:

  • Entry Process Engineer (0-2 years): $86,632
  • Intermediate Process Engineer (2-4 years): $99,282
  • Process Optimization Engineer III (4-7 years): $110,196
  • Manufacturing Process Engineer IV (7+ years): $134,706
  • Manufacturing Process Engineering Supervisor (7+ years): $117,499
Job Role Years of Experience Average Salary
Entry Process Engineer0-2 years$86,632
Intermediate Process Engineer2-4 years$99,282
Process Optimization Engineer III4-7 years$110,196
Manufacturing Process Engineer IV7+ years$134,706
Manufacturing Process Engineering Supervisor7+ years$117,499
View as Graph

How Do Process Optimization 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 Process Optimization Engineer IIIs. For example, consider the average annual salaries in these key locations:
  • District of Columbia: $122,090.
  • California: $121,590.
  • Massachusetts: $119,990.

Top Paying Cities for Process Optimization 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: $138,990
  • San Francisco: $137,490
  • Oakland: $134,590

What Skills Can Increase a Process Optimization Engineer III's Salary?

Demanded Skills for the Role:

  • Analysis (Mentioned in 6.34% Job Postings): Analysis is the process of considering something carefully or using statistical methods in order to understand it or explain it.
  • Chemical Engineering (Mentioned in 1.76% Job Postings): Chemical engineering is a branch of engineering that uses principles of chemistry, physics, mathematics, biology, and economics to efficiently use, produce, design, transport and transform energy and materials. The work of chemical engineers can range from the utilisation of nano-technology and nano-materials in the laboratory to large-scale industrial processes that convert chemicals, raw materials, living cells, microorganisms, and energy into useful forms and products. Chemical engineers are involved in many aspects of plant design and operation, including safety and hazard assessments, process design and analysis, modeling, control engineering, chemical reaction engineering, nuclear engineering, biological engineering, construction specification, and operating instructions. Chemical engineers typically hold a degree in Chemical Engineering or Process Engineering. Practising engineers may have professional certification and be accredited members of a professional body. Such bodies include the Institution of Chemical Engineers (IChemE) or the American Institute of Chemical Engineers (AIChE). A degree in chemical engineering is directly linked with all of the other engineering disciplines, to various extents.
  • Installation (Mentioned in 1.51% Job Postings): The action or process of installing someone or something, or of being installed. the act of installing the state of being installed, something that is installed for use.
Skills Demand Percentage
Analysis 6.34%
Chemical Engineering 1.76%
Installation 1.51%
See More Skills

What skills can make your compensation higher?

Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a Process Optimization Engineer III's salary.

  • Semiconductors: Can increase your salary by up to 4%.
  • Product Development: Can increase your salary by up to 3%.
  • Alignment: Can increase your salary by up to 3%.
Skill Salary Salary % Increase
Semiconductors $114,598
4%
Product Development $113,496
3%
Alignment $113,496
3%
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Process Optimization Engineer III Salary by Company Size: Startups vs. Enterprise

Process Optimization Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $123,308. While startup companies pay approximate $104,512.

Process Optimization Engineer III Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $104,512
Growth Stage 51~500 $110,473
Established 501~5000 $119,093
Enterprise 5000+ $123,308

Process Optimization Engineer III Salary by Industry: Top Paying Sectors

For Process Optimization Engineer III roles, the industry you choose can affect earning potential by as much as 80% (the gap between the highest and lowest paying industries). Data shows that the Telecom and Healthcare sectors offer the strongest compensation, at 40% above the average. In contrast, Process Optimization Engineer positions in Transportation or Energy & Utilities typically offer lower base pay, as these industries often view Process Optimization Engineer III as a support function rather than a direct revenue driver.

The top paying industries for a Process Optimization Engineer III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Telecom$154,266$74.040%
Healthcare$143,247$69.030%
Biotechnology$132,228$64.020%
Pharmaceuticals$126,718$61.015%
Chemicals$121,209$58.010%

How Education impacts a Process Optimization Engineer III's Salary?

Your level of education can impact your salary potential. While many Process Optimization Engineer IIIs enter the field with a Bachelor's Degree 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 Process Optimization Engineer III with a Bachelor's Degree is between $106,144 and $110,854).

Process Optimization Engineer III Salaries by Degree Level

Typical Education for Process Optimization Engineer III
Degree Level % of user with this level of education
No Diploma 0.2%
High School 1.8%
Associates 1.2%
Bachelors 44.2%
Masters 33.9%
Doctorate 18.9%
View as Graph

Process Optimization Engineer III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Process Optimization 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 October 01, 2026
$100,390
Average $110,190/year
$118,790
$8,366
Average $9,183/month
$9,899
$1,931
Average $2,119/week
$2,284
$48
Average $53/hour
$57
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $118,790 $9,899 $2,284 $57
Average $110,190 $9,183 $2,119 $53
25th Percentile $100,390 $8,366 $1,931 $48

Process Optimization Engineer III Salary Growth & Career Path

Process Optimization Engineer III

Next Role

Advancement

For a Process Optimization Engineer III, the most direct path to higher earnings is advancing to the Manufacturing Process Engineer IV role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $134,800 - a projected growth of 22% over your current level.

Most common benefits for Process Optimization Engineer III

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

Common company salaries for Process Optimization Engineer III

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

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FAQ about Process Optimization Engineer III

1. What industry pays the highest salary for Process Optimization Engineer III?

The Telecom industry offers the highest average compensation for Process Optimization Engineer III roles, with salaries approximately 40% above the market median.

2. Is process engineer a good career?

Working as a process optimization engineer offers diverse benefits, including competitive salaries ranging from $102,190 to $118,990, and strong job stability due to demand across various industries. Engineers engage in problem-solving and innovation daily, providing intellectual challenges and growth opportunities.

3. How much do process optimization jobs pay?

As of now, the salary for a Process Optimization Engineer ranges from $102,190 to $118,990 annually, with a mid-salary of $111,090. This translates to approximately $49.14 to $57.19 per hour, or $8,516 to $9,916 monthly. The role offers competitive compensation reflecting the importance of process optimization in various industries.

4. What is the salary of manufacturing process engineer III?

The estimated total pay for a Manufacturing Process Engineer III is between $102,190 and $118,990 per year, with a mid-salary of $111,090. These figures reflect the salary range based on current data for Process Optimization Engineers, providing a clear overview of potential earnings in this role.

5. Is engineer III senior?

The Process Optimization Engineer role is considered a senior-level position, typically requiring advanced skills in engineering principles. With a salary range from $102,190 to $118,990, this role emphasizes innovation in developing new products or enhancing existing ones, showcasing creativity and extensive experience in the field.

6. Where do process operators make the most money?

Process Optimization Engineers in the United States can expect salaries ranging from $102,190 to $118,990, with a median salary of $111,090. While specific city data for this role isn't provided, it's important to consider that larger metropolitan areas typically offer higher salaries due to demand and cost of living.

7. Can an engineer make 300k?

While some engineers can earn high salaries, the typical range for a Process Optimization Engineer is between $102,190 and $118,990. Achieving a salary of $300,000 is uncommon in this field, as it generally falls outside the standard compensation range for this role.

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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