# Senior Quantitative Researcher
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-25322-419698` · Certified · decided 2025-11-25
## Employer
- **Name:** CITADEL SECURITIES AMERICAS SERVICES LLC
- **Location:** Miami, FL, UNITED STATES OF AMERICA
- **FEIN:** 87-2324710
- **NAICS:** 523940
## Job
- **Title:** Senior Quantitative Researcher
- **SOC:** 15-2031.00 — Operations Research Analysts
- **Workers requested:** 1
- **Worksite:** Chicago, IL
- **Employment period:** 2026-04-03 → 2029-04-02
## Wage
- **Offered:** $275,000–$350,000 per year
- **Prevailing wage:** $105,102 per Year
- **Wage level:** Level III
## Representation
- **Attorney:** Stephanie Holland
- **Firm:** Fragomen, Del Rey, Bernsen, & Loewy LLP
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*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · MORVS · CC0 1.0*