Principal Data Science salary in Illinois
A real-employer view of Principal Data Science 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.
Principal Data Science in Illinois: actual employer-disclosed pay
Public records from 8 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $136,136. 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 | 5 | $130,000 |
| Level IV — fully competent | 3 | $136,136 |
Top employers filing for this role
Companies with the most certified filings for Principal Data Science in Illinois. Median offer is across all of that employer's filings.
| Employer | Most-filed title | Filings | Median |
|---|---|---|---|
| Discover Products Inc | Principal Data Science | 7 | $136,136 |
| DFS Services LLC | Senior Principal Data Science | 1 | $136,136 |
Recent sample filings
A snapshot of recent certified offers. Each line is a real, public, verifiable record.
- Principal Data Science at Discover Products Inc$136,136RiverwoodsWage Level IVDecided Apr 25, 2025I-200-25108-881234
- Senior Principal Data Science at DFS Services LLC$136,136RiverwoodsWage Level IVDecided Feb 14, 2025I-200-25038-674707
- Principal Data Science at Discover Products Inc$119,330RiverwoodsWage Level IIIDecided Apr 18, 2025I-200-25101-855052
- Principal Data Science at Discover Products Inc$130,000RiverwoodsWage Level IIIDecided Apr 11, 2025I-200-25094-833360
- Principal Data Science at Discover Products Inc$142,771RiverwoodsWage Level IIIDecided Apr 9, 2025I-200-25092-823027
- Principal Data Science at Discover Products Inc$119,330RiverwoodsWage Level IIIDecided Feb 27, 2025I-200-25051-710778
- Principal Data Science at Discover Products Inc$142,771RiverwoodsWage Level IIIDecided Jan 13, 2025I-200-25003-593519
- Principal Data Science at Discover Products Inc$136,136RiverwoodsWage Level IVDecided Dec 16, 2024I-200-24344-528535
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 Only certified filings are shown — denied and withdrawn cases are excluded.