Median salary
$104,000
per year · annualized USD
Typical range
$97.5k – $114.7k
25th–75th percentile
Disclosing pay
62.5%
20 of 32 roles
Live roles
32
open right now
Salary trend
median · annualized USDSalary distribution
annualized USD · disclosed rolesHighest-paying jobs
Senior System Administrator (Storage Engineer)
Systems Administrator
Senior IT Asset Management Administrator
Cloud Infrastructure Systems Administrator
Systems Administrator (Journeyman)
Linux/HPC System Administrator
Sr. HPC System Administrator
Microsoft System and Identity Administrator
Top companies hiring
| Company | Median | Roles |
|---|---|---|
|
University of Chicago
|
$107,500 | 3 |
|
CACI
|
$116,650 | 2 |
|
Argonne National Laboratory
|
$99,871 | 2 |
Invenergy
|
$98,000 | 2 |
| IT ITW | $85,500 | 2 |
| AD Adyen | $211,500 | 1 |
| CG Cboe Global Markets | $132,825 | 1 |
|
Booz Allen Hamilton
|
$126,800 | 1 |
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How much do System Administrator roles in Illinois pay?
The median salary for System Administrator roles in Illinois is $104,000 per year. Most pay falls between $97,500 (25th percentile) and $114,650 (75th percentile), with the broader 10th–90th percentile band running from $85,659 to $128,005.
These figures are computed live from 32 active System Administrator roles in Illinois on JobsRadar, of which 20 (62.5%) publish a salary range. Pay is normalized to annualized USD so roles can be compared on equal terms; the highest-paying roles listed above show their original posted currency. Numbers refresh every few hours as new roles are posted and older ones close.
Employers currently hiring well-paid System Administrator roles in Illinois include Adyen, Booz Allen Hamilton, Cboe Global Markets and CACI.
Salary transparency varies by employer and region, so the disclosing share above reflects only roles that publish pay — not every open position. Use it as a directional benchmark rather than an exact offer.
Frequently asked questions
- What is the average System Administrator salary in Illinois?
- The median is $104,000 per year, with most pay between $97,500 and $114,650 (25th–75th percentile), based on 20 live listings that disclose pay on JobsRadar.
- What is the System Administrator salary range in Illinois?
- Pay ranges from about $85,659 to $128,005 per year (10th–90th percentile) around a median of $104,000. Figures are annualized USD from live listings, refreshed every few hours.