The duties and responsibilities of an international radiology technologist involve providing technical support for diagnostic imaging procedures to medical professionals in other countries. In this career, you travel abroad to a hospital or clinic to handle the technical aspects of radiology equipment operations. You may give a physician support and professional advice for a procedure, such as cardiac catheterization. In some positions, an international radiology technologist provides patient care. You also train local technologists in the use of new equipment or a new device.