A Charles River job typically refers to a position at Charles River Laboratories, a company specializing in preclinical and clinical laboratory services for the pharmaceutical, biotech, and medical device industries. Jobs at Charles River vary widely, including roles in research, laboratory sciences, animal care, quality assurance, and regulatory compliance. Employees contribute to drug discovery and development by supporting safety assessments, toxicology studies, and other crucial research efforts. Many positions require expertise in biology, chemistry, or related scientific fields, though administrative and operational roles are also available. Working at Charles River Laboratories offers an opportunity to be part of groundbreaking scientific advancements that improve health and medicine worldwide.