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🥝 Principal Scientist, Upstream Process Development

Merck | Rahway, United States | Posted June 01, 2026

Job Description

**Job Description**

The Biologics Process Research & Development organization within our Research & Development Division is responsible for developing the drug substance manufacturing processes for our Company's biologics pipeline. We work closely with colleagues in Discovery, Pre-clinical and Early Development to rapidly develop manufacturing processes for diverse biotherapeutics, and efficiently manufacture material to supply clinical trials. We are also responsible for late-stage process development and process characterization to prepare for commercial manufacturing. We work with our partners in our Company Manufacturing Division to commercialize and launch new products.

We are seeking a highly motivated and experienced individual to join our team as a Principal Scientist. In this role, the successful candidate will lead cross-functional teams to develop CMC packages for our pipeline assets. The successful candidate will also collaborate with fellow Bioprocess D...

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