Senior Human Factors Engineers often work on projects involving the design and evaluation of products, systems, or environments to optimize usability, safety, and user experience. Depending on the industry, this might include medical devices, automotive interfaces, aerospace controls, consumer electronics, or industrial equipment. They frequently collaborate with multidisciplinary teams, including designers, engineers, project managers, and end-users, throughout the development process. Daily tasks may involve conducting user research, analyzing human-system interaction data, advising on design improvements, and supporting product testing and validation to ensure regulatory compliance and user satisfaction.