Exelixis, Inc. in Alameda seeks a Principal Scientist in Cell Line Development to drive CHO-based antibody and bispecific production for early-stage biologics.
You will design vectors, engineer host cells, perform transfections, single-cell cloning and characterize clones to ensure monoclonality, contributing to scalable manufacturing readiness. The role requires deep molecular biology experience, extensive CHO workflows, and interpretation of analytical data (HPLC/LC-MS/CE).
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