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  3. Certified Dosimetrist (Per Diem)
SL

Certified Dosimetrist (Per Diem)

St. Luke's University Health Network·Quakertown, Pennsylvania

Part Time·On Site·0-2 yrs·Posted 13 days ago
Practice for this role

About the role

The Medical Dosimetrist plans radiation treatment techniques using computer and manual computations to deliver prescribed doses to tumor volumes. They coordinate treatment simulations and ensure technical continuity of care through accurate dose calculations and quality assurance.

ST.

Luke's is proud of the skills, experience and compassion of its employees.

The employees of st.

Luke's are our most valuable asset!

Individually and together, our employees are dedicated to satisfying the mission of our organization which is an unwavering commitment to excellence as we care for the sick and injured; educate physicians, nurses and other health care providers; and improve access to care in the communities we serve, regardless of a patient's ability to pay for health care.

The Medical Dosimetrist is a member of the radiation oncology department and subdivision of the radiation physics team. These professionals possess knowledge and expertise in radiation treatment planning and practice alongside the Radiation Oncologist and Medical Physicist.

The intent of this job description is to provide a summary of the major duties and responsibilities of this position and shall not be considered as a detailed description of all the work requirements that may be inherent in the position.

Job duties and responsibilities

  • Follows the dose prescription specified by the Radiation Oncologist, plans a treatment technique by means of a computer and/or manual computations that will deliver a prescribed radiation dose to a defined tumor volume.
  • Reliably performs image registrations with various image data sets which include diagnostic images, previously treated data sets, and outside images.
  • Accurately identifies and contours organs at risk and dose limiting structures on the planning CT.
  • Coordinates and/or assists in treatment simulations and tumor localizations, including computed tomography and MRI, when indicated, for radiation treatment planning.
  • Assists in the planning of the fabrication of compensating filters, custom shields, planning or production of molds, casts, and immobilization devices.
  • Responsible for successful technical continuity of care, including assisting the technical staff in the implementation of the treatment plan.
  • Accurately performs calculations for treatment delivery, documents all information into the EMR and verifies accuracy of dose calculations by an approved method established by the Chief Physicist
  • Provides technical assistance to the medical physicist, when requested, in radiation protection, qualitative and quantitative machine calibrations, and quality assurance of the radiation equipment.
  • Assists in the application of specific methods of dosimetry (ion chamber, TLD, or film) to special clinical problems.
  • Assists in Brachytherapy procedures and in the subsequent manual and/or computer calculation of the dose distributions of these procedures.
  • Practices safe protection for self and patients adhering to the guidelines of radiation protection and infection control.
  • Detects equipment malfunctions and takes appropriate action.
  • Provides education regarding radiation therapy procedures to patients and family.
  • Assumes responsibility for assigned area, making sure all equipment and supplies necessary for that area are readily available for use.
  • Assists in gathering, recording data, and serving as committee members for Radiation Oncology Quality Assurance and Continuous Quality Improvement Programs.
  • Teaches, trains, and provides educational resources for student Dosimetrists, Radiation Therapists and assists in the evaluation process of the students.
  • Maintains responsibility for own professional development and keeps current on new planning techniques, devices, and methods through active participation in inservices, continuing education program, and/or self-directed learning.
  • Demonstrates/models the hospitals core values and customer service behaviors in interactions with all customers (internal or external).
  • Demonstrates competency in the assessment, range of treatment and knowledge of growth and development appropriate to the age of the patient treated (neonate, pediatric, adolescent or geriatric).
  • Knowledgeable regarding patient condition, history and appropriate background and information pertinent to the patients’ treatment.
  • Maintains confidentiality of all material within the hospital as well as proper release of information.
  • Complies with hospital and departmental policies regarding safety, attendance and dress code.
  • Provides emotional support for patients and family members. Directs patients and family members to appropriate personnel and agencies for additional support.
  • Assists in radiation therapy treatment procedures.
  • Assists in lifting and transporting patients when necessary.
  • Performs all other duties as assigned.

Physical and sensory requirements

  • Frequent use of fingers to operate computer.
  • Sitting for up to 7 hours per day, in 30-minute increments.
  • Frequent use of hands for chart handling and writing.
  • Twisting and turning of hands to operate equipment.
  • Lifts treatment aids weighing up to 50 pounds.
  • Carries objects of up to 50 pounds.
  • Occasionally stoops and bends.
  • Reaches above shoulder level.
  • Hearing as it relates to normal conversation.
  • Seeing as it relates to general vision and depth perception and visual monotony.

Education

A graduate of a formal university, college, or hospital-based Dosimetry program of nine months’ duration or longer. Must be CMD certified within two years of eligibility.

Training and experience

One year dosimetry experience preferred. Ongoing training in departmental procedures provided.

  • Please complete your application using your full legal name and current home address.
  • Be sure to include employment history for the past seven (7) years, including your present employer.
  • Additionally, you are encouraged to upload a current resume, including all work history, education, and/or certifications and licenses, if applicable.
  • It is highly recommended that you create a profile at the conclusion of submitting your first application.
  • Thank you for your interest in St.
  • Luke's!!

ST. LUKE'S UNIVERSITY HEALTH NETWORK IS AN [http://www.slhn.org/EOE] EQUAL OPPORTUNITY EMPLOYER. [http://www.slhn.org/EOE]

Posting details

Employment type
Part Time
Work arrangement
On Site
Experience
0-2 yrs
Location
Quakertown, Pennsylvania
Posted
Jul 15, 2026
Application
Employer website
SL

Hiring organization

St. Luke's University Health Network

In 2025, the U.S. Department of Health and Human Services ranked St. Luke’s #1 – ahead of Houston Methodist and Mayo Clinic – as the nation’s top health system for quality, safety and patient experience. This objective recognition based on hospital data reported to the...

Salary listed on 32 jobs
IndustryHospitals and Health Care
TypeNonprofit
Size10,001+ employees
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Market context

Per diem dosimetry roles in Pennsylvania

Pennsylvania healthcare employers typically look for certified dosimetrists in radiation oncology settings, and per diem openings can be especially competitive when coverage needs are immediate. Candidates with a formal dosimetry program background, CMD certification progress, and prior dosimetry experience often stand out. Review the AI-summarized requirements and benefits on this platform to save research time, and confirm your eligibility timeline for CMD certification before applying.

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