Becoming a radiation therapist means you will be working in the medical field, usually within a cancer treatment team. Your impact on people will be huge, and you will need some great people skills and a lot of compassion to do this job.
Sometimes also called a therapeutic radiographer or radiotherapist, it is part of the allied health professionals category which offers many great opportunities. This career can be started in less than 2 years and can result in a solid job with great benefits and salary packages.
In this article we will break down everything you need to know about becoming a radiation therapist and what to expect when you do.
What Does a Radiation Therapist Do?
Radiation therapists play a crucial role in cancer treatment by administering radiation therapy to patients.
They work alongside oncologists and other healthcare professionals to provide targeted radiation treatments that help destroy cancer cells while minimizing damage to surrounding healthy tissue.
One of the most important responsibilities of a radiation therapist is ensuring that patients receive accurate and safe doses of radiation during their treatments. This requires a thorough understanding of how different types of radiation interact with the body and how to properly use equipment like linear accelerators, which are used to deliver high-energy X-rays or other types of radiation.
Radiation therapists must also carefully monitor patient progress throughout treatment and adjust dosage as needed based on changes in tumors or overall health.
Radiation therapists typically work in hospitals, clinics, or cancer centers, where they may see dozens of patients each day.
The work environment can be fast-paced and emotionally challenging at times, but it also offers opportunities for personal growth and fulfillment as you help people fight against cancer.
If you have a passion for science, enjoy working with people, and want to make a difference in the lives of those affected by cancer, then becoming a radiation therapist may be an excellent career choice for you.
If you would like to explore other healthcare career opportunities you can check out our guides on becoming a respiratory therapist or sleep technologist.
How To Become A Radiation Therapist
This field recommends individuals to have at least an associate degree in radiation therapy from an accredited institution. Some people to get started with a certificate, but may have other science experience.
A bachelor’s degree (which can take four years to complete) may be required by some employers.
Below are the recommended steps to becoming a certified respiratory therapist.
Attend An Accredited Radiation Therapy Program
The first step to become a radiation therapist is to find a reputable radiation therapy program.
- You can find programs on the Joint Review Committee on Education in Radiologic Technology (JRCERT) website.
- You can also find radiation programs which are approved by the American Registry of Radiologic Technologists (ARRT) on their website.
Once you select a school to attend you will complete a mix of classes and clinical experience.
Expectations at the end of the program would include:
- Be able to demonstrate your competency in radiation treatment and planning as well as patient care.
- Show your ability to analyze information like simulation or port films and determine a course of action for the patient.
- Prove your ability to use radiation therapy equipment like a linear accelerator properly.
- Demonstrate your ability to work as a team player and to be able to take responsibility for actions and accept feedback.
- Utilize proper verbal and written skills to properly communicate details with staff and patients.
- Ability to pass the AART certification exam.

Radiation Therapist Certifications
Most employers look at the ARRT certification as a deciding factor on whether to hire someone. So this i the recommended path for aspiring technologists.
ARRT offers a variety of credentials that are medically related, but the one you need for this career is the Radiation Therapy certification.
Radiation Therapist State Licensing Requirements
Approximately 75% of all states require licensing to work in radiologic technology. This is in addition to a certification.
Many states will use your ARRT exam scores to determine licensing eligibility, but may have other requirements you need to meet as well.
You can learn more about each states licensing requirements for radiation technologists here.
Radiation Therapist Salary Information
Radiation therapists have a median annual salary of $98,300.
The top paying states include:
- California
- New York
- Washington
- Oregon
- Massachusetts
These states all show wages of approximately $100K or more.
Radiation Therapist Job Outlook
The demand for sterile processing technicians is pretty good with an expected 3% growth through 2033 as noted by the Bureau of Labor Statistics.
Continuing Education and Professional Development
Some radiation technologists have noted concerns about lack of opportunity to grow. They often they will land a job but where do you go from there?
Within the industry there are additional certifications you can get that might help you take on more responsibility and earn a higher salary.
Some of these include:
- Radiography
- Tomography
- Cardiac Interventional Technology
- Mammography
- Magnetic Resonance Technology
- Vascular Interventional Technology
- Bone Densitometry
- Nuclear Medicine Technology
- Sonography
So, become a registered radiologic technologist first, then further your career by adding on some of the additional credentials.
Resources
Below are a few additional resources and links to articles to help you learn more about this career.