Operate machines that deliver radiation treatments to cancer patients under a doctor's plan.
You may also see this posted as: Dosimetrist, Radiation Therapist (RT), Registered Radiation Therapist, Staff Radiation Therapist, Computed Tomography Simulation Therapist (CT Simulation Therapist), Radiation Therapy Technologist (RTT).
Hospitals and cancer treatment centers
Full time, regular daytime hours
Realistic
working with tools, equipment, materials, or the physical world
Social
helping, teaching, caring for, or supporting other people
Investigative
solving problems, analyzing evidence, and figuring out how things work
O*NET job zone 3 of 5
Medium preparation—often vocational training, an associate degree, or substantial experience—is usually needed.
Examples employers report—not a checklist you must already know.
May 2025 BLS wage & employment data · 2024–34 BLS employment projections.
Openings a year counts new jobs plus the ones that open when people retire or move on — a truer picture of your odds than growth alone.
“Median” means half earn more and half earn less. Your city, employer, and years on the job move it a lot — that is what the 10th-to-90th range shows.
Statewide medians are a better starting point than the national number. Your city and experience still matter.
Associate degree
Training path: Associate degree in radiation therapy.
Related work experience: None.
On-the-job training: None.
Most states require a license or certification, usually through the ARRT.
Licensing rules and available programs change by state. These federal tools take you to the current official listings.
Delivers prescribed radiation to cancer patients, a role reachable with a two-year degree rather than medical school.
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Standard Occupational Classification 29-1124. Pay and employment from the BLS May 2025 OEWS survey; outlook and openings from the 2024–34 employment projections; job context from the Occupational Outlook Handbook; tasks, interests, work styles, software examples, and job zone from O*NET 30.3. See something off? Tell us.