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Senior Scientist, Downstream Process Development R&D
Pfizer • Bothell, WA, US • published 2026-11-03 09:17:09.184625
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**Job Description** =================== **ROLE SUMMARY** ---------------- A Senior Scientist (R4\) position is available in the Downstream Process Development group within Bioprocess R\&D. The successful candidate will have strong laboratory research experience and a desire to remain in a hands‑on, laboratory‑focused role. This position will be part of a multidisciplinary team of scientists across multiple sites focused on the development and optimization of recovery and purification processes for recombinant proteins expressed in mammalian cell culture, supporting early‑ and late‑phase clinical programs. The Senior Scientist will work collaboratively to develop robust, efficient, and scalable downstream strategies to improve process performance and enable successful technology transfer. **ROLE RESPONSIBILITIES** ------------------------- * Design and execute small‑scale downstream process development studies, with support for pilot‑scale and manufacturing purification activities. * Analyze experimental data to develop, test, and refine hypotheses that improve the fundamental understanding of recovery and purification processes. * Contribute to process characterization, validation ...
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