# Postdoctoral Appointee
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-24348-542702` · Certified - Withdrawn · decided 2026-02-26
## Employer
- **Name:** UChicago Argonne LLC
- **DBA:** Argonne National Laboratory
- **Location:** Lemont, IL, UNITED STATES OF AMERICA
- **FEIN:** 68-0628477
- **NAICS:** 541715
## Job
- **Title:** Postdoctoral Appointee
- **SOC:** 15-1221.00 — Computer and Information Research Scientists
- **Workers requested:** 1
- **Worksite:** Lemont, IL
- **Employment period:** 2025-01-27 → 2028-01-26
## Wage
- **Offered:** $70,758–$117,925 per year
- **Prevailing wage:** $59,634 per Year
- **Wage level:** Level I
## Representation
---
*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · MORVS · CC0 1.0*