Senior Dosimetrist - Oncology Services - Ephrata Cancer Center

Ephrata, PA | Professional | Tracking Code: 57035

Position Summary:

General Summary:



Under the general supervision of the Physicist, performs a variety of duties at an advanced skills level in the areas of dosimetry, treatment, planning, protection and safety as they relate to radiation therapy.

Duties and Responsibilities:


1 Consults with physician on patient treatment.
2 Assists and advises during the patient simulation process.
3 Assists and advises during the patient treatment.
4 Views different imaging modalities (CT, MRI, PET) for positions and size of lesions; inputs information into the computer to simulate patient's condition
5 Identifies position of critical organs surrounding lesion and determines areas and amount of radiation received by those areas through fields. Understands the concept of Dose Volume Histogram.
6 Demonstrates proficiency in 2D, 3D, IMRT and Dynamic Arc treatment planning.
7 Demonstrates proficiency in Image Guided Radiation Therapy.
8 Demonstrates proficiency in working with Electronic Medical Record.
9 Demonstrates proficiency in image fusion and deformable registration.
10 Accounts for geometrical variations in the shape of the irradiated field; reports each shape of field, dosage necessary behind each shape, and distribution of dose for each setting.
11 Measures outputs of radiation through use of radiation detection instruments and calculation; determines the distribution of field of exposure and ranges of accuracy.
12 Calculates amount and activity of radioactive materials; receives, logs, registers, and assumes responsibility for radioactive materials from receipt through decay and disposal of material following established protocols.
13 Performs monthly and annual quality assurance for all treatment planning systems.

Required Skills

Required Skills:


  • 3 - 5 years experience
  • Pinnacle TRS and RadCalc experience, required
  • Varian TrueBeam Linear Accelerator experience, required
  • SBRT experience, preferred
  • Velocity experience, preferred
  • VisionRT experience, preferred



Required Experience

Required Experience:


  • Associate's or Bachelor's Degree Required
  • MDCB (Medical Dosimetrist Certification Board) certification





Quality of Life

WellSpan Health is an integrated health system that serves the communities of central Pennsylvania and northern Maryland. The organization is comprised of a multispecialty medical group of more than 1,500 physicians and advanced practice clinicians, a regional behavioral health organization, a home care organization, eight respected hospitals, more than 19,000 employees, and 170 patient care locations. WellSpan is a charitable, mission-driven organization, committed to exceptional care for all, lifelong wellness and healthy communities. We are committed to transforming the health of the communities we serve and to educating the next generation of clinicians, staff and leaders.

Quality of Life
Quality of Life

Lancaster City was the capital of Pennsylvania from 1799 to 1812. Today, Lancaster County includes a vibrant downtown business district, desirable suburban neighborhoods and sprawling agricultural farms. Life in Lancaster County offers affordable housing, options for higher education, a thriving arts and cultural community, historical attractions, parks and recreational resources, an independent professional baseball team, fine dining and more. When visiting Lancaster, one can't help but recognizing the influence of the Pennsylvania Dutch — farm-to-table and beyond.

Conveniently located in southcentral Pennsylvania, Lancaster is within an easy commute to major cities and has ready access to public transportation. Residents can find local employment in healthcare, tourism, public administration, manufacturing, and both professional and semi-professional services. (Patient population: 535,000)

Equal Opportunity Employment

WellSpan Health is an equal opportunity employer. Employment selection and related decisions are made without regard to sex, race, age, disability, religion, national origin, color or any other protected class. WellSpan Health does, however, have a tobacco-free/nicotine-free hiring policy.

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