CT / MRI Technicians: CT/Magnetic resonance imaging (MRI) repair technicians install, repair and maintain MRI and Compute Tomographic Imaging (CT), which are used to scan for medical problems within the human body. MRI repair technicians test and calibrate machines to ensure their functionality. Many earn at least an associate’s degree in biomedical equipment technology. A bachelor’s degree sometimes is required for tougher jobs and also might further one’s career prospects.