Principal Scientist, Regulatory Toxicology

CSL's R&D organization is accelerating innovation to deliver greater impact for patients. With a project-led structure and a focus on collaboration, we’re building a future-ready team that thrives in dynamic biotech ecosystems. Joining CSL now means being part of an agile team committed to developing therapies that make a meaningful difference worldwide.

Position Description Summary:

The Principal Toxicologist will prepare Toxicological Risk Assessments (TRAs) across diverse projects supporting R&D, CMC, and Quality, ensuring alignment with global regulatory standards and may author nonclinical submission documents. A key responsibility is the rapid evaluation of unexpected manufacturing, release, or stability deviations to support decisions on patient safety, product quality, and business continuity.

This global role requires strong cross‑functional collaboration and engagement with external experts, including participation in worldwide project teams an...