How to become a radiation therapist

Provide radiation therapy to patients as prescribed by a radiation oncologist according to established practices and standards. Duties may include reviewing prescription and diagnosis; acting as liaison with physician and supportive care personnel; preparing equipment, such as immobilization, treatment, and protection devices; and maintaining records, reports, and files. May assist in dosimetry procedures and tumor localization.

Steps to get there

Most employers expect most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree..Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.

What radiation therapists do

• Position patients for treatment with accuracy, according to prescription.
• Administer prescribed doses of radiation to specific body parts, using radiation therapy equipment according to established practices and standards.
• Conduct most treatment sessions independently, in accordance with the long-term treatment plan and under the general direction of the patient's physician.
• Enter data into computer and set controls to operate or adjust equipment or regulate dosage.
• Check radiation therapy equipment to ensure proper operation.
• Educate, prepare, and reassure patients and their families by answering questions, providing physical assistance, and reinforcing physicians' advice regarding treatment reactions or post-treatment care.

Skills that matter most

• Reading Comprehension
• Active Listening
• Critical Thinking
• Speaking
• Monitoring
• Writing
• Active Learning
• Learning Strategies

Is radiation therapist a good career?

On the numbers, this job pays above the typical job. Median pay is 107% above the all-occupation median. Whether it fits you depends on the work itself, the schooling you are willing to do and where you want to live.

Where it pays most

• California $166,450
• Oregon $131,600
• New York $129,620
• New Jersey $129,460
• Washington $125,880

Radiation Therapists salary by state and city

Sources: O*NET® 31.0 (CC BY 4.0, USDOL/ETA) and BLS Employment Projections 2025–35. Pay: BLS OEWS May 2025.