Dosimetrist I - Proton Therapy

• Perform external beam radiation therapy planning procedures and dose calculations. Planning utilizes CMS XiO and Monaco; a 3-D planning system proprietary to Elekta.
• Perform high dose radiation therapy (HDR) planning procedures and dose calculations. Planning utilizes BrachyVision; a planning system proprietary to Varian.
• Use Mosaiq as EMR and other associated software to accomplish this end.
• Work with physicians, residents, physics, therapists and other RadOnc staff to ensure the patients plan and treatment are simulated, planned and treated in a dosimetrically appropriate and efficient manner.
• Follow Physician directives to create radiation plans using the treatment planning software(s) and present resultant dosimetry plan.
• Assist in Simulation process with Therapists/Physicians/Physicists as requested.
• Perform charge capture for procedures performed. Execute reconciliation of charges with documentation in EMR.
• Assists medical physicist in calibration of equipment and radioactive
• Dosimetrist will conduct quality assurance reviews, and conduct quality checks on various equipment.
• Develops computerized treatment plan, calculates treatment doses and / or monitor unit setting to deliver dose to a tumor volume as prescribed by a radiation
• Calculates and documents dose in the patient’s MOSAIQ electronic treatment
• Verifies the mathematical accuracy of all
• Assists in the selection, planning, fabrication and quality review and approval of treatment devices to aid in beam delivery
• Assists in the planning, production and quality review and approval of immobilization devices and other treatment
• Provides technical assistance to the therapeutic radiological physicist in radiation
• Performs weekly quality assurance checks of radiotherapy treatment
• Follows all policies and procedures established for the accurate, timely and effective development and QA of all dosimetry responsibilities.
• Responsible for thorough and timely documentation and coding of work in the EMR and
• Implements and assists in the maintenance of the quality system for medical dosimetry and record
• Participates in quality check lists as source of intra-center
• May act as teacher/instructor during orientation phases of new dosimetry
• Ensures that all procedures are followed, verified and QA’d as they relate to the outsourcing or treatment devices, acceptance of said devices at the center, and implementation of said devices during patient treatment.
• Adheres to treatment protocol standards established by Seattle Proton Center for specific disease sites/stages/fields and ensures that documentation is thorough and captured
• Participates in the development and/or implementation of new techniques as assigned by Dosimetry Manager.

• Bachelors degree preferred, specifically in Radiation Therapy, Math, or Physics.
• Must be a graduate of a JRCERT accredited medical dosimetry program or have at least 2 years of on the job training as a medical dosimetrist.
• Must be board eligible in Dosimetry as recognized by MDCB.
• Excellent communication skills are essential.
• May be required to lift, carry or push up to 40lbs.

• Board certified preferred, and if not, must be board eligible. If not certified, certification as a Medical Dosimetrist by the MDCB is required within 1 years of becoming a Medical Dosimetrist at our facility.
• Prior experience with the following equipment is a plus:

• Elekta CMS XiO and Monaco Treatment Planning Systems
• Mosaiq EMR software
• Varian BrachyVision Treatment Planning System
• MU Check Secondary Calculation Software
• Elekta Simulator
• Elekta Accelerators: Synergy & Infinity with Agility heads

Fred Hutchinson Cancer Center