Senior Chemists salary in Illinois
Roles that require seasoned judgement and the ability to lead projects without supervision. Typically five to ten years of experience and a track record of complete ownership.
Senior Chemists in Illinois: actual employer-disclosed pay
Public records from 22 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $87,341. 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 III — experienced | 22 | $87,341 |
Top employers filing for this role
Companies with the most certified filings for Senior Chemists in Illinois. Median offer is across all of that employer's filings.
| Employer | Most-filed title | Filings | Median |
|---|---|---|---|
| Northwestern University | Research Associate | 8 | $72,217 |
| AbbVie Inc. | Senior Scientist I - Solid State Chemistry | 3 | $131,950 |
| The University of Chicago | Staff Scientist | 2 | $69,500 |
| GDB International, Inc. | Sr. Process Chemist | 1 | $185,000 |
| University of Illinois | Research Scientist | 1 | $75,000 |
| Horween Leather Company | Assistant Chemist - Innovation | 1 | $97,500 |
| LanzaTech Inc. | Scientist | 1 | $100,000 |
| UOP LLC | R&D Engineer Scientist II | 1 | $126,500 |
| Cyclopure Inc. | Senior Polymer Chemist | 1 | $110,000 |
| ABBVIE INC. | SENIOR SCIENTIST I, BIOANALYSIS | 1 | $128,000 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Research Assistant Professor at Northwestern University$127,500EvanstonWage Level IIIDecided Sep 22, 2025I-200-25258-308275
- Sr. Process Chemist at GDB International, Inc.$185,000NashvilleWage Level IIIDecided Sep 9, 2025I-200-25246-282202
- Research Scientist at University of Illinois$75,000UrbanaWage Level IIIDecided Jul 7, 2025I-200-25179-137579
- Senior Scientist I - Solid State Chemistry at AbbVie Inc.$131,950North ChicagoWage Level IIIDecided May 20, 2025I-200-25133-969025
- Senior Scientist I, Chemistry at AbbVie Inc.$122,548North ChicagoWage Level IIIDecided May 20, 2025I-200-25133-969749
- Research Associate at Northwestern University$67,933EvanstonWage Level IIIDecided May 19, 2025I-200-25132-964226
- Assistant Chemist - Innovation at Horween Leather Company$97,500ChicagoWage Level IIIDecided May 8, 2025I-200-25121-926417
- Scientist at LanzaTech Inc.$100,000SkokieWage Level IIIDecided May 5, 2025I-200-25118-913202
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.