Staff Scientist, Immunoassay Development

Role: Senior scientist leading immunoassay development for vaccine pipeline support, focusing on assay design, optimization, platform evaluation, and lifecycle management. Responsibilities include developing fit-for-purpose immunoassays for potency, antigenicity, identity, and impurity testing; evaluating innovative platforms such as ELISA, MSD, multiplex, and bead-based assays; troubleshooting complex assay performance issues; interpreting complex data; supporting method transfer, validation, and routine testing; providing scientific guidance to cross-functional teams; and supporting outsourced activities. Requirements: PhD in Biochemistry, Immunology, Analytical Chemistry, or related, with 8+ years (PhD), 13+ years (MS), or 16+ years (BS) of relevant industry experience. Deep expertise in ligand-binding immunoassays, assay development, robustness assessment, qualification, and transfer in regulated biologics or vaccine environments. Preferred skills include experience supporting late-stage development, regulatory submissions, GMP environments, automation, high-throughput workflows, and multiplex assay platforms. High-value specifics include vaccine biologics, conjugated or multivalent vaccines, and supporting clinical development phases. Reports to: Senior Director, Global Analytical Lead. Location: San Carlos, CA, onsite (minimum 4 days/week). No mention of travel requirements.