As of November 01, 2025, the average salary for an IT Systems Programmer III in Plainfield, IL is $120,700 per year, which breaks down to an hourly rate of $58.
However, an IT Systems Programmer III's salary can vary significantly. Here’s a look at the typical salary range:
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IT Systems Programmer III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $128,300 | $10,692 | $2,467 | $62 |
| Average | $120,700 | $10,058 | $2,321 | $58 |
| 25th Percentile | $110,200 | $9,183 | $2,119 | $53 |
Touchette Regional Hospital - Collinsville, IL
Specialized Recruiting Group - Metro East Area, Illinois - Belleville, IL
TOUCHETTE - Collinsville, IL
Hunter Engineering Company - BRIDGETON, MO
An IT Systems Programmer 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, skills and company size can directly affect your earning potential.
Experience is a primary driver of an IT Systems Programmer 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:
| Levels | Salary |
|---|---|
| Entry Level IT Systems Programmer III | $116,006 |
| Intermediate Level IT Systems Programmer III | $116,796 |
| Senior Level IT Systems Programmer III | $118,376 |
| Specialist Level IT Systems Programmer III | $122,996 |
| Expert Level IT Systems Programmer III | $125,020 |
What Am I Worth?
Salaries can also vary between different cities, even within the same state. 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 Illinois cities:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Commitment | 6.9% |
| Computer Science | 3.94% |
| Electrical Engineering | 2.3% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Computerized Maintenance Management System
|
$127,942 |
6%
|
|
Software Development
|
$126,735 |
5%
|
|
Coordination
|
$125,528 |
4%
|
|
KPI
|
$125,528 |
4%
|
|
Innovation
|
$124,321 |
3%
|
|
Communication Skills
|
$124,321 |
3%
|
Understanding how an IT Systems Programmer 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 | $128,300 | $10,692 | $2,467 | $62 |
| Average | $120,700 | $10,058 | $2,321 | $58 |
| 25th Percentile | $110,200 | $9,183 | $2,119 | $53 |
Ready to take the next step in your career? Browse thousands of current IT Systems Programmer III job openings on our job board. Use the search bar below to find your perfect match.
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