Mid-level Chemical Engineers salary in Illinois
Roles that require qualified independent work on routine tasks. Typically two to five years of relevant experience.
Mid-level Chemical Engineers in Illinois: actual employer-disclosed pay
Public records from 11 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $98,000. 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 | 11 | $98,000 |
Top employers filing for this role
Companies with the most certified filings for Mid-level Chemical Engineers in Illinois. Median offer is across all of that employer's filings.
| Employer | Most-filed title | Filings | Median |
|---|---|---|---|
| UChicago Argonne, LLC | Fuel/Chemical Production Technology Assessment | 3 | $90,063 |
| CSL Behring L.L.C. | Utilities Engineer | 1 | $110,000 |
| Aqua-Aerobic Systems, Inc. | Sr. Process Engineer | 1 | $100,086 |
| Archer Daniels Midland Company | Research Process Engineer | 1 | $100,000 |
| OROCHEM TECHNOLOGIES, INC | PROCESS ENGINEER | 1 | $95,264 |
| LanzaTech Inc. | R&D Engineer | 1 | $98,000 |
| UOP LLC | Advanced R&D Engineer/Scientist | 1 | $133,400 |
| Rivian Automotive, LLC | Chemical Engineer, Manufacturing Engineering | 1 | $110,169 |
| Wood Group USA, Inc. | Senior Process Modeling Engineer - KBGFJG230472-3 | 1 | $95,709 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Fuel/Chemical Production Technology Assessment at UChicago Argonne, LLC$90,063LemontWage Level IIDecided Sep 9, 2025I-200-25245-281131
- Utilities Engineer at CSL Behring L.L.C.$110,000BradleyWage Level IIDecided Jul 21, 2025I-200-25195-173604
- Sr. Process Engineer at Aqua-Aerobic Systems, Inc.$100,086Loves ParkWage Level IIDecided Jun 23, 2025I-200-25164-089652
- Research Process Engineer at Archer Daniels Midland Company$100,000DecaturWage Level IIDecided May 19, 2025I-200-25132-963769
- PROCESS ENGINEER at OROCHEM TECHNOLOGIES, INC$95,264NAPERVILLEWage Level IIDecided May 19, 2025I-200-25132-963310
- R&D Engineer at LanzaTech Inc.$98,000SkokieWage Level IIDecided May 9, 2025I-200-25122-930321
- Advanced R&D Engineer/Scientist at UOP LLC$133,400Des PlainesWage Level IIDecided Apr 29, 2025I-200-25112-892017
- Chemical Engineer, Manufacturing Engineering at Rivian Automotive, LLC$110,169NormalWage Level IIDecided Apr 25, 2025I-200-25108-879435
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.