Scientist salary in Illinois
A real-employer view of Scientist 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.
Scientist in Illinois: actual employer-disclosed pay
Public records from 17 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $124,201. 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 II — qualified | 2 | $80,923 |
| Level III — experienced | 5 | $122,548 |
| Level IV — fully competent | 10 | $131,075 |
Top employers filing for this role
Companies with the most certified filings for Scientist 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 |
|---|---|---|---|
| AbbVie Inc. | Senior Scientist I, Chemistry | 7 | $131,124 |
| Fresenius Kabi USA, LLC | Principal Scientist, Analytical Development | 3 | $110,490 |
| ABBVIE INC. | SENIOR SCIENTIST I, BIOANALYSIS | 1 | $128,000 |
| Entegris, Inc. | Sr. Scientist, Formulation | 1 | $78,853 |
| EVONIK CORPORATION | Scientist | 1 | $82,992 |
| LanzaTech Inc. | Scientist | 1 | $100,000 |
| NanoChem Solutions, Inc. | Senior Scientist | 1 | $148,526 |
| Nexus Pharmaceuticals Inc. | Lead Scientist, Formulation Development | 1 | $142,000 |
| The Fountain Group, LLC | Scientist III | 1 | $116,480 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Senior Scientist at NanoChem Solutions, Inc.$148,526PeruWage Level IVDecided Mar 9, 2026I-200-26061-674399
- Senior Scientist I, Process Chemistry at AbbVie Inc.$131,124Lake BluffWage Level IVDecided Mar 3, 2026I-200-26055-660226
- Scientist III at The Fountain Group, LLC$116,480North ChicagoWage Level IIIDecided Jan 2, 2026I-200-25357-506774
- Principal Scientist, Formulation at Fresenius Kabi USA, LLC$119,829Melrose ParkWage Level IVDecided Sep 17, 2025I-200-25253-300179
- Sr. Scientist, Formulation at Entegris, Inc.$78,853AuroraWage Level IIDecided May 30, 2025I-200-25142-008496
- Senior Scientist I, Chemistry at AbbVie Inc.$122,548North ChicagoWage Level IIIDecided May 20, 2025I-200-25133-969749
- Senior Scientist I, Chemistry at AbbVie Inc.$124,201North ChicagoWage Level IVDecided May 16, 2025I-200-25129-957146
- Scientist at EVONIK CORPORATION$82,992MapletonWage Level IIDecided May 15, 2025I-200-25128-954577
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.