Under the direction of a radiation oncologist or physicist, the Dosimetrist performs radiation therapy procedures, including delivery of prescribed doses of external beam radiation and radioactive elements. The role measures, calculates, and records prescribed radiation doses and develops treatment arrangements to meet physician criteria. The Dosimetrist explains the selected treatment plan to the Radiation Therapist. The position serves adult and geriatric patients and requires knowledge of age-related growth and development, patient assessment, and care needs. Work takes place in a general office environment and may involve high stress, fluctuating workloads, interruptions, working alone, and exposure to noise, bright lights, hazardous substances, body fluids, infectious materials, adverse weather, and verbal abuse or physical altercations. Travel may be required, not to exceed 10%, including car travel to off-site locations. Universal precautions and personal protective equipment are required.