Dosimetrist I

Job Requisition #: JR56458

End Date: 8/3/2021

Location: Newark, Delaware

Position Type: Imaging/Radiology, Professional

Shift: Day Shift, No Rotation

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To assist oncologist in performing simulation patient treatment planning; and to perform dose calculation, manual and computer for radiation therapy.


  • Assists oncologist during simulation to acquire all information to develop the optimum treatment plan.

  • Performs dosimetric calculations for patients under therapy treatments using manual and computer techniques for: external stationary photon and electron beams, moving photon and electron beams, and interstitial and intracavitary implants.

  • Assists in planning of treatment by preparing custom blocks, compensation filters, immobilization devices, and merging of radiation fields.

  • Assists in monitoring operation of radiation therapy equipment and assists in performing minor calibrations and checks.

  • Assists physicist in major calibrations and checks.

  • Assists physicist in the preparation and care of radioactive sources and applicators for interstitial and

  • intracavitary procedures.

  • Performs radiation survey and implements radiation protection guidelines in reference to implant procedures.

  • Assures proper implementation of treatment plan during initial patient setup for treatment.

  • Prepares weekly review and final summary of patient treatment records to verify that all entries and functions conform to the prescription ordered by the Radiation Oncologist.

  • Informs Radiation Physicist, Oncologist, and Chief Therapist of any discrepancies.

  • Selects appropriate billing codes for all physics and simulation services provided by the department to the patient.

  • Performs assigned work safely, adhering to established departmental safety rules and practices.  Reports to supervisor, in a timely manner, any unsafe activities, conditions, hazards, or safety violations that may cause injury to oneself, other employees, patients and visitors.

  • Demonstrates skills and knowledge necessary to provide care appropriate to pediatric, adolescent, adult and geriatric patients, including knowledge of growth and development, the ability to obtain and interpret information to identify patient needs, and to provide the care needed.

  • Performs other related duties as required.


  • Minimum of two years working experience as a staff radiation therapist.

  • Radiology Technologist Certification, Radiation Therapist Certification or Associate Degree in physical, mathematical, biomedical, or computer science from an accredited college.

  • An equivalent combination of education and experience may be substituted.


  • Knowledge of radiation physics.

  • Knowledge of clinical radiation therapy.

  • Knowledge of proper handling of radio active materials.

  • Skill in mathematics and problem solving involving the application of radiation physics.

  • Ability to work at computer video terminal.

Why do WE offer careers full of possibilities?

For the Love of Health.

Inclusion & Diversity

At ChristianaCare, we’re committed to treating everyone with dignity and respect. We believe in a safe, inclusive work environment that fosters collaboration between caregivers from all walks of life. We know that each unique viewpoint is vital in delivering high-quality, safe patient care to everyone who walks through our doors. Our policies, benefits, hiring practices, employee resource groups, and corporate citizenship demonstrate our commitment to inclusion and diversity throughout our system.

Why do we embrace inclusion and diversity? For the Love of Health.

Our Values

We serve together in Love and Excellence. Our unique values, Love and Excellence are bold and powerful, and they are the reason why working for ChristianaCare is special. The behaviors associated with our values guide how caregivers interact with everyone they work with and make for an exceptional work experience. We believe that when you lead with Love, Excellence is inevitable.


ChristianaCare’s comprehensive total rewards package is one of the most competitive in the region. We are proud to offer excellent benefits that reflect the organization’s commitment to being exceptional today and even better tomorrow.

At ChristianaCare, we provide access to high-quality and affordable benefits designed to meet our caregivers where they are. You can tailor your benefits to meet your needs now and adjust them as your priorities change.

Take advantage of ChristianaCare’s wide-ranging benefit offerings from supporting optimal health through medical, prescription, dental and vision coverage to valuable wellness and work/life programs, which include paid parental leave, coverage for infertility and assisted reproductive technologies, an employer-funded short-term disability program, and more.

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For the Love of Health

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