Radiation Oncologist Duties and Responsibilities: They work with patients that have been diagnosed with cancer. They will see the patient for about four to eight weeks. Salary: $80,220 Education: Associate's or bachelors degree in radiography and a certificate in radiation therapy. Demand or Need for this particular career: They have to be licensed, they also have to pass the American Registry of Radiologic Technologist certification exam. Reflection: I would like to be a Radiation Oncologist because i would like to help help people with cancer in any way i can.