As of July 01, 2026, the average salary for a Ndt Assistant in Illinois is $55,088 per year, which breaks down to an hourly rate of $26.
However, a Ndt Assistant's salary can vary significantly. Here’s a look at the typical salary range:
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Ndt Assistant Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $64,215 | $5,351 | $1,235 | $31 |
| Average | $55,088 | $4,591 | $1,059 | $26 |
| 25th Percentile | $49,694 | $4,141 | $956 | $24 |
Arcosa - Clinton, IL
Volt - Decatur, IL
Danville Metal Stamping Co., Inc. - Danville, IL
Magnetic Inspection Laboratory, Inc. - Elk Grove Village, IL
A Ndt Assistant'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 Ndt Assistant'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:
| Levels | Salary |
|---|---|
| Entry Level Ndt Assistant | $55,313 |
| Intermediate Level Ndt Assistant | $56,539 |
| Senior Level Ndt Assistant | $61,112 |
| Specialist Level Ndt Assistant | $61,602 |
| Expert Level Ndt Assistant | $61,928 |
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 Ndt Assistants. 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:
For Ndt Assistant roles, the industry you choose can impact your earning potential by as much as 20% (the gap between the highest and lowest paying industries). Data shows that the highest-paying industry, Healthcare, offers compensation 5% above the average. Conversely, Ndt Assistant positions in Edu., Gov't. & Nonprofit typically offer lower base pay, as this sector often view Ndt Assistant as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Healthcare | $57,843 | $28.0 | 5% |
Understanding how a Ndt Assistant'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 | $64,215 | $5,351 | $1,235 | $31 |
| Average | $55,088 | $4,591 | $1,059 | $26 |
| 25th Percentile | $49,694 | $4,141 | $956 | $24 |
Ready to take the next step in your career? Browse thousands of current Ndt Assistant job openings on our job board. Use the search bar below to find your perfect match.
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