# Principal Associate Scientist, Analytical Chemistry
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-24075-802103` · Certified - Withdrawn · decided 2025-11-04
## Employer
- **Name:** Mersana Therapeutics, Inc.
- **Location:** Cambridge, MA, UNITED STATES OF AMERICA
- **FEIN:** 04-3562403
- **NAICS:** 5417
## Job
- **Title:** Principal Associate Scientist, Analytical Chemistry
- **SOC:** 19-1021.00 — Biochemists and Biophysicists
- **Workers requested:** 1
- **Worksite:** Cambridge, MA
- **Employment period:** 2024-09-13 → 2027-09-12
## Wage
- **Offered:** $116,760 per year
- **Prevailing wage:** $74,152 per Year
- **Wage level:** Level I
## Representation
- **Attorney:** Liya Green
- **Firm:** Quarles & Brady LLP
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*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · AI Analytics · CC0 1.0*