Medical Dosimetrist - Oncology

Medical Dosimetrist Opportunity At St. Joseph Regional Medical Center

Joseph Regional Medical Center in Lewiston, Idaho—where nationally recognized quality meets small-town heart. We're proud to be recognized for excellence and patient safety, including an "A" Hospital Safety Grade from The Leapfrog Group, inclusion in Becker's list of "Great Community Hospitals," and U.News & World Report accolades for maternity care. New grads are welcome—we're committed to training, mentoring, and helping you build confidence as you grow. And because we know great care starts with taking care of our people, we offer competitive benefits and a workplace you can feel good about. If you're looking for a place to do meaningful work, build a career, and feel proud serving your community—you belong at St. The Medical Dosimetrist is responsible for developing accurate and precise radiation therapy treatment plans using 3D, IMRT, and SBRT techniques. This role includes collaboration with radiation oncologists, physicists, and radiation therapists to ensure the effective and safe delivery of prescribed radiation doses. The Dosimetrist performs patient-specific quality assurance, calibration of equipment, and supports the radiation oncology team with technical expertise and clinical knowledge.

Develops and implements 3D, IMRT, and SBRT treatment plans using CT, MRI, and PET imaging data

Collaborates with oncologists and physicists to define target volumes and treatment fields

Conducts quality assurance checks on treatment plans and linear accelerators

Provides guidance to radiation therapists regarding patient setup, immobilization devices, and treatment variables

Ensures compliance with hospital policies, radiation safety guidelines, and regulatory standards

Assists in the calibration of radiation therapy equipment and maintains accurate records

Participates in clinical research, new technology implementation, and staff training

Maintains detailed documentation of treatment plans, calculations, and quality assurance activities

Proficiency in treatment planning software (e.g., Skilled in data entry, documentation, and use of EMR systems

Bachelor's degree in a Physical Science or graduate of an accredited Radiation Therapy program required

Certified Medical Dosimetrist (CMD) by the Medical Dosimetrist Certification Board (MDCB) preferred

Minimum of 3 years of experience as a Dosimetrist in a radiation oncology setting preferred

Experience with treatment planning systems (e.g.,