System Administrator salary in Illinois
A real-employer view of System Administrator pay, clustered from DOL OFLC certified filings. Variants like Senior, Lead, and II/III titles fold into this cluster — the wage range below reflects all of them.
System Administrator in Illinois: actual employer-disclosed pay
Public records from 12 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $82,659. Every figure below is an actual offered salary an employer attested to under federal law.
By DOL wage level
DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.
| Level | Filings | Median offer |
|---|---|---|
| Level I — entry | 2 | $75,000 |
| Level II — qualified | 10 | $83,211 |
Top employers filing for this role
Companies with the most certified filings for System Administrator in Illinois. Median offer is across all of that employer's filings. Click a company for its full H-1B salary breakdown.
| Employer | Most-filed title | Filings | Median |
|---|---|---|---|
| Tata Consultancy Services Limited | System Administrator | 3 | $82,659 |
| SolveIT Services Inc | System Administrator | 2 | $83,762 |
| TATA CONSULTANCY SERVICES LIMITED | System Administrator | 2 | $82,659 |
| Avco Consulting, Inc. | Senior System Administrator | 1 | $86,486 |
| Divine IT Services LLC | SYSTEM ADMINISTRATOR | 1 | $87,000 |
| EPCOT TECHNOLOGIES INC. | System Administrator | 1 | $75,000 |
| Innovim Technology Solutions Inc | System Administrator | 1 | $82,659 |
| Secure Compliance Solutions LLC | System Administrator | 1 | $75,000 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Senior System Administrator at Avco Consulting, Inc.$86,486ChicagoWage Level IIDecided Feb 23, 2026I-200-26044-638889
- System Administrator at Tata Consultancy Services Limited$86,486SchaumburgWage Level IIDecided Dec 10, 2025I-200-25337-454557
- SYSTEM ADMINISTRATOR at Divine IT Services LLC$87,000Arlington HeightsWage Level IIDecided Dec 8, 2025I-200-25335-447303
- System Administrator at TATA CONSULTANCY SERVICES LIMITED$82,659LincolnshireWage Level IIDecided May 21, 2025I-200-25134-975280
- System Administrator at TATA CONSULTANCY SERVICES LIMITED$82,659ChicagoWage Level IIDecided May 7, 2025I-200-25120-920278
- System Administrator at Innovim Technology Solutions Inc$82,659ChicagoWage Level IIDecided May 7, 2025I-200-25120-923189
- System Administrator at SolveIT Services Inc$83,762NapervilleWage Level IIDecided Mar 27, 2025I-200-25080-793068
- System Administrator at SolveIT Services Inc$83,762ChicagoWage Level IIDecided Mar 19, 2025I-200-25072-770854
Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.