# Senior Scientific Associate
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-25357-505883` · Certified · decided 2026-01-02
## Employer
- **Name:** UChicago Argonne, LLC
- **DBA:** Argonne National Laboratory
- **Location:** Lemont, IL, UNITED STATES OF AMERICA
- **FEIN:** 68-0628477
- **NAICS:** 541715
## Job
- **Title:** Senior Scientific Associate
- **SOC:** 17-2144.00 — Mechanical Engineers, R&D
- **Workers requested:** 1
- **Worksite:** Lemont, IL
- **Employment period:** 2026-02-23 → 2029-02-22
## Wage
- **Offered:** $94,486–$157,477 per year
- **Prevailing wage:** $76,190 per Year
- **Wage level:** Level II
## Representation
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*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · AI Analytics · CC0 1.0*