Sr. Process Engineer salary in Illinois
A real-employer view of Sr. Process Engineer 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.
Sr. Process Engineer in Illinois: actual employer-disclosed pay
Public records from 45 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $106,090. 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 | 5 | $90,000 |
| Level II — qualified | 12 | $98,826 |
| Level III — experienced | 23 | $109,922 |
| Level IV — fully competent | 3 | $125,000 |
Top employers filing for this role
Companies with the most certified filings for Sr. Process Engineer 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 |
|---|---|---|---|
| Rivian Automotive, LLC | Sr. Process Engineer | 18 | $107,264 |
| RIVIAN AUTOMOTIVE, LLC | Sr. Process Engineer | 10 | $104,844 |
| ALLIANCECHICAGO | Process Engineer | 2 | $111,999 |
| Gotion Illinois New Energy Inc. | Process Engineer | 2 | $125,000 |
| Medefil, Inc. | Process Engineer I | 2 | $90,000 |
| Atlas Fibre LLC | Process Engineer | 1 | $87,610 |
| CRRC Sifang America Incorporated | Process Engineer I | 1 | $69,826 |
| Flextronics International USA, Inc. | Process Engineer | 1 | $95,000 |
| IKO Midwest Inc. | Process Engineer | 1 | $84,340 |
| LanzaJet, Inc. | Senior Process Engineer | 1 | $145,000 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Process Engineer at Flextronics International USA, Inc.$95,000Buffalo GroveWage Level IIDecided Feb 19, 2026I-200-26042-632959
- Sr. Process Engineer at Rivian Automotive, LLC$103,305NormalWage Level IIDecided Jan 28, 2026I-200-26021-576336
- Process Engineer at Atlas Fibre LLC$87,610NorthbrookWage Level IIDecided Aug 4, 2025I-200-25209-202531
- Lead Process Engineer (Dryer) at Tetra Pak Processing Equipment Inc.$120,370Vernon HillsWage Level IVDecided Aug 1, 2025I-200-25206-201859
- Sr. Process Engineer at RIVIAN AUTOMOTIVE, LLC$106,245NormalWage Level IIIDecided Aug 1, 2025I-200-25206-200286
- Staff Process Engineer at Rivian Automotive, LLC$130,155NormalWage Level IIIDecided Jul 30, 2025I-200-25204-195978
- Process Engineer I at Medefil, Inc.$90,000Glendale HeightsWage Level IDecided Jul 11, 2025I-200-25184-152946
- Sr. Process Engineer at Rivian Automotive, LLC$117,436NormalWage Level IIIDecided Jul 8, 2025I-200-25181-141272
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.