As of July 01, 2026, the average salary for a System Administrator III in California is $123,055 per year, which breaks down to an hourly rate of $59.
However, a System Administrator III's salary can vary significantly. Here’s a look at the typical salary range:
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System Administrator III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $134,051 | $11,171 | $2,578 | $64 |
| Average | $123,055 | $10,255 | $2,366 | $59 |
| 25th Percentile | $112,175 | $9,348 | $2,157 | $54 |
ManTech International - El Segundo, CA
KPMG - San Francisco, CA
KPMG - Los Angeles, CA
KPMG - Los Angeles, CA
A System Administrator 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 System Administrator 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 |
|---|---|
| Systems A... Level System Administrator III | $83,078 |
| Systems A... Level System Administrator III | $105,830 |
| System Ad... Level System Administrator III | $125,322 |
| Systems A... Level System Administrator III | $145,613 |
| Systems A... Level System Administrator III | $171,128 |
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 System Administrator 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:
For System Administrator III roles, the industry you choose can affect earning potential by as much as 20% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Business Services sectors offer the strongest compensation, at 10% above the average. In contrast, System Administrator positions in Biotechnology or Transportation typically offer lower base pay, as these industries often view System Administrator III as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $135,361 | $65.0 | 10% |
Understanding how a System Administrator 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 | $134,051 | $11,171 | $2,578 | $64 |
| Average | $123,055 | $10,255 | $2,366 | $59 |
| 25th Percentile | $112,175 | $9,348 | $2,157 | $54 |
Ready to take the next step in your career? Browse thousands of current System Administrator III job openings on our job board. Use the search bar below to find your perfect match.
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