Exelixis Inc. seeks a senior BiotherapeuticsCell Line Development Scientist to advance CHO‑based mammalian cell lines for early‑phase biologics and ADC candidates. You will design vectors, engineer host cells, perform transfections, cloning, and stability assessments while ensuring monoclonality and product quality.
The role emphasizes independent execution, cross‑functional collaboration, data-driven decisions, and rigorous documentation in a fast‑paced biotech environment.
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