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🥝 Principal Scientist, Upstream Development

Merck | Rahway, United States | Posted May 28, 2026

Job Description

**Job Description**

USA - New Jersey - Rahway

**Job Description**

The Biologics Process Research & Development organization within our Company Research Labs 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 biotherapeutics and efficiently manufacture material to supply clinical trials. We are also responsible for commercial process development and development and implementation of new manufacturing technologies. 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 Upstream Development Department as a Principal Scientist. In this role, the successful candidate will work closely with scientists in the Upstream Development Department to develop...

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