Onsite Senior Toxicology Study Director — Lead Scientist

Charles River is seeking a Senior Toxicology Study Director (Senior Research Scientist) to join our Safety Assessment team in Reno, NV. This senior role leads GLP and non-GLP in vivo toxicology studies across multiple species, providing scientific leadership, study oversight, and sponsor communications throughout programs. The position requires relocation to Reno and offers an opportunity to influence preclinical safety assessments within a collaborative, client-facing environment.