A Charles River Labs job refers to a position at Charles River Laboratories, a global company specializing in preclinical and clinical laboratory services for the pharmaceutical, biotechnology, and medical device industries. Employees work in various roles, including research, laboratory sciences, animal care, quality assurance, and corporate functions. These positions support drug development, safety assessments, and biomedical research. Charles River Labs provides opportunities for scientific advancement and career growth in a mission-driven environment focused on improving human and animal health.