This Diagnostic Radiologic Technologist-Magnetic Resonance Imaging (MR), organizationally referred to as the Magnetic Resonance Imager operates diagnostic MRI scanning equipment to produce cross sectional and two/three dimensional pictures of internal organs and body structures used to diagnose diseases and other medical conditions. The employee operates the super conductive Magnetic Resonance Imager (MRI), which employs the use of strong magnetic fields and radio waves to acquire images BASIC REQUIREMENTS. Citizenship. Be a citizen of the United States. Certification. All applicants must be certified in general radiologic technology by the American Registry of Radiologic Technology, Radiography (ARRT) (R). Advanced ARRT certification is required for assignments that include computed tomog