How much does a GMP Auditor make in the United States? As of September 01, 2026, the average salary for a GMP Auditor in the United States is $70,702 per year, which breaks down to an hourly rate of $34.

However, a GMP Auditor's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $82,811
  • Majority Range (25th-75th percentile): $64,437 to $77,040
  • Entry-Level (10th percentile): $58,733

Key Factors That Influence GMP Auditor Salaries

A GMP Auditor'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 GMP Auditor Salaries?

Experience is a primary driver of a GMP Auditor'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-Level (less than 1 year): $58,880
  • Early Career (1-2 years): $69,381
  • Mid-Level (2-4 years): $83,377
  • Senior-Level (5-8 years): $112,219
  • Expert (over 8 years): $147,158
Job RoleYears of ExperienceAverage Salary
Refinery Operator I less than 1 year $58,880
GMP Auditor 1-2 years $69,381
Refinery Operator III 2-4 years $83,377
Refinery Operations Supervisor 5-8 years $112,219
Refinery Operations Manager over 8 years $147,158

Top Paying Cities for GMP Auditor

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: $89,176
  • San Francisco: $88,200
  • Oakland: $86,341

How Education impacts a GMP Auditor's Salary?

Your level of education can impact your salary potential. While many GMP Auditor professionals enter the field with a high school 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 GMP Auditor with a high school is between $68,791 and $72,400.

GMP Auditor Salaries by Degree Level

Typical Education for GMP Auditor
Degree Level % of user with this level of education
No Degree 36.4%
High School 36.4%
Associate's Degree 27.3%
Bachelor's Degree 27.3%
Master's Degree or MBA 0%
JD, MD, PhD or Equivalent 9.1%

GMP Auditor Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a GMP Auditor'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.

  • Hourly
  • Monthly
  • Weekly
  • Yearly
  • Table View
Last Updated on September 01, 2026
$64,437
Average $70,702/year
$77,040
$5,370
Average $5,892/month
$6,420
$1,239
Average $1,360/week
$1,482
$31
Average $34/hour
$37
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $77,040 $6,420 $1,482 $37
Average $70,702 $5,892 $1,360 $34
25th Percentile $64,437 $5,370 $1,239 $31

Most common benefits for GMP Auditor

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

Common company salaries for GMP Auditor

Here are companies hiring for GMP Auditor and their salaries, click below for more details.

Find Your Next GMP Auditor Job

Ready to take the next step in your career? Browse thousands of current GMP Auditor job openings on our job board. Use the search bar below to find your perfect match.

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    MyJobsCorner | Columbus, OH

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    C.R. England | Columbus, OH

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    Find your next job here. Will train the right candidate. Average salaries from $12 - $22/Hr, full time and part time shifts available now. Hiring for: Food... more

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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.)

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