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Principal Toxicologist-Scientist

South San Francisco💼 Full-time💰 $141,500–$141,500🗓 2026-09-22 → 2026-09-26

Core

Provide scientific leadership for safety assessment of Genentech therapeutics across drug development, integrating toxicology, pathology, and pharmacology to identify risks and shape development strategy.

Role type

Principal Scientist (Toxicology)

Builds

Safety assessment strategies and GLP/non-GLP safety programs for novel modalities and accelerated regulatory strategies

Domain

Pharmaceutical/Biotechnology, Oncology and non-oncology therapies

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

toxicology, pathology, pharmacology, translational science, clinical information synthesis, risk assessment, study design, regulatory document authoring, weight-of-evidence synthesis

Preferred skills

oncology therapy experience, novel modalities (small molecules, biologics, ADCs, cell and gene therapy), regulatory authority interaction, new approach methodologies (NAMs), animal use reduction

Technologies

GLP, non-GLP, NAMs

Responsibilities

Design and implement safety assessment strategies; partner with pathologists and study operations to design fit-for-purpose safety programs; synthesize complex datasets to support risk assessment and dose selection; anticipate safety issues and lead mechanistic studies; manage safety liabilities and communicate impact; author regulatory documents and present to health authorities; advance external scientific standing through publications and collaborations.

Seniority

Principal, hands-on IC with strategic leadership

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