A NIOSH job refers to a position at the National Institute for Occupational Safety and Health (NIOSH), a U.S. federal agency focused on researching and recommending ways to prevent work-related injuries, illnesses, and deaths. Jobs at NIOSH include roles in research, public health, industrial hygiene, epidemiology, engineering, and policy development. Employees work to improve workplace safety standards, conduct studies, and provide guidance to industries and government agencies. These positions typically require expertise in occupational health, environmental science, or related fields.