Senior Chemical Engineers 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 Chemical Engineers in Illinois: actual employer-disclosed pay
Public records from 13 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $130,526. 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 | 13 | $130,526 |
Top employers filing for this role
Companies with the most certified filings for Senior Chemical Engineers in Illinois. Median offer is across all of that employer's filings.
| Employer | Most-filed title | Filings | Median |
|---|---|---|---|
| Medefil, Inc. | Validation Engineering Manager | 3 | $160,000 |
| UOP LLC | SR ADVANCED R&D ENGINEER/SCIENTIST | 2 | $143,718 |
| University of Chicago | Staff Scientist | 1 | $79,019 |
| Nature's Fynd LLC | Director, Process Engineering | 1 | $160,000 |
| Institute of Gas Technology | Pilot Plant Operations Process Engineer | 1 | $90,480 |
| Particulate Solid Research, Inc. | Research Engineer | 1 | $121,190 |
| AbbVie Inc. | Senior Scientist I, Process Development | 1 | $131,000 |
| ABBVIE INC. | SENIOR SCIENTIST I, ENGINEERING | 1 | $118,000 |
| Boston Consulting Group, Inc. | Manager - BCG Vantage | 1 | $126,400 |
| RNA CORPORATION | SENIOR OPERATIONS MANAGER | 1 | $120,000 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Staff Scientist at University of Chicago$79,019ChicagoWage Level IIIDecided Aug 19, 2025I-200-25224-236936
- Validation Engineering Manager at Medefil, Inc.$160,000Glendale HeightsWage Level IIIDecided Jul 11, 2025I-200-25184-153020
- Director, Process Engineering at Nature's Fynd LLC$160,000ChicagoWage Level IIIDecided May 28, 2025I-200-25140-997064
- Pilot Plant Operations Process Engineer at Institute of Gas Technology$90,480Des PlainesWage Level IIIDecided May 27, 2025I-200-25139-991604
- SR ADVANCED R&D ENGINEER/SCIENTIST at UOP LLC$149,511DES PLAINESWage Level IIIDecided May 19, 2025I-200-25132-963973
- Research Engineer at Particulate Solid Research, Inc.$121,190ChicagoWage Level IIIDecided May 19, 2025I-200-25132-966573
- Senior Scientist I, Process Development at AbbVie Inc.$131,000North ChicagoWage Level IIIDecided May 16, 2025I-200-25129-957164
- Validation Engineering Manager at Medefil, Inc.$130,526Glendale HeightsWage Level IIIDecided May 7, 2025I-200-25120-923027
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.