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As of August 01, 2026, the average salary for a On-site Support Engineer III in Pennsylvania is $105,390 per year, which breaks down to an hourly rate of $51.
However, a On-site Support Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
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On-site Support Engineer III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $118,290 | $9,858 | $2,275 | $57 |
| Average | $105,390 | $8,783 | $2,027 | $51 |
| 25th Percentile | $96,290 | $8,024 | $1,852 | $46 |
Vanguard - Frazer, PA
Neumo Holdings LLC - Stroudsburg, PA
Mastercard - WELDON SPRING, MO
Mastercard - WELDON SPRING, MO
A On-site Support 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 On-site Support 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 |
|---|---|---|
| Entry Field Service Engineer | 0-2 years | $73,327 |
| Intermediate Field Service Engineer | 2-4 years | $90,020 |
| On-site Support Engineer III | 4-7 years | $105,394 |
| Field Service Engineer, Specialist | 7+ years | $124,629 |
| Field Service Engineer, Master | 7-10 years | $144,733 |
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 On-site Support 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:
On-site Support Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $117,978. While startup companies pay approximate $99,807.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $99,807 |
| Growth Stage | 51~500 | $105,557 |
| Established | 501~5000 | $113,929 |
| Enterprise | 5000+ | $117,978 |
For On-site Support Engineer III roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Business Services sectors offer the strongest compensation, at 25% above the average. In contrast, On-site Support Engineer positions in Insurance or Hospitality & Leisure typically offer lower base pay, as these industries often view On-site Support Engineer III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Biotechnology | $131,738 | $63.0 | 25% |
| Business Services | $126,468 | $61.0 | 20% |
| Pharmaceuticals | $124,360 | $60.0 | 18% |
| Chemicals | $121,198 | $58.0 | 15% |
| Internet | $118,037 | $57.0 | 12% |
Understanding how a On-site Support 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 | $118,290 | $9,858 | $2,275 | $57 |
| Average | $105,390 | $8,783 | $2,027 | $51 |
| 25th Percentile | $96,290 | $8,024 | $1,852 | $46 |
Promotions are the fastest way to increase your earnings. As a On-site Support 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 |
|---|---|---|
| Field Service Engineer, Specialist | $124,690 | 18% |
| Energy Systems Rental Customer Service Manager | $106,300 | 1% |
| Field Operations Coordinator | $112,500 | 7% |
Ready to take the next step in your career? Browse thousands of current On-site Support Engineer III job openings on our job board. Use the search bar below to find your perfect match.
MasterCard
WELDON SPRING, MO
MasterCard | WELDON SPRING, MO
Our Purpose Mastercard powers economies and empowers people in 200 countries and territories worldwide. Together with our customers, we’re helping build a ... more
4 Days Ago
APPLIED MATERIALS
SANTA CLARA, CA
APPLIED MATERIALS | SANTA CLARA, CA
Who We Are Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the wor... more
5 Days Ago
Amazon
GARNER, NC
Amazon | GARNER, NC
Amazon is seeking a Site EHS Manager III to own environmental, health, and safety programs at a high-volume retail operations facility. In this hands-on le... more
3 Days Ago
Marriott
LAFAYETTE SQUARE, LA
Marriott | LAFAYETTE SQUARE, LA
Marriott International is seeking a seasoned Engineer III to join our Engineering & Maintenance team, supporting our expansive portfolio of over 8,000 prop... more
2 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
2 Days Ago
Waste Management
EAST FARMS, WA
Waste Management | EAST FARMS, WA
Waste Management, Inc., a leader in environmental solutions, is seeking a highly skilled Engineer III to join our Engineering & Maintenance department. At ... more
8 Days Ago
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