Get to Know Your Team: Seton Medical Center Harker Heights is an 83-bed acute care hospital offering services such as Cardiology, Emergency Services, and a Level IV Trauma Designated ER, General Surgery, Orthopedic Surgery, Total Joint Replacement, Gastroenterology, Diagnostic Services, and more. QualificationsJob Requirements: High school diploma or GED.Current Texas Limited Medical Radiology Technologist License (Medical Radiologic Technologist - Limited Certificate) which includes chest, upper and lower extremities (includes shoulder), spine, and pediatric categories.