Medical Dosimetrist

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Medical Dosimetrist
Place of Performance: Pittsburgh, PA

General Description:

Medical Dosimetrist shall perform, in conjunction with the Medical Physicist, treatment planning for SRS/SRT, HDR brachytherapy, IMRT, IGRT, and LDR brachytherapy. The Dosimetrist shall be present during patient treatment for HDR brachytherapy. The Dosimetrist also provide backup coverage during volume study procedures for LDR brachytherapy.

Specific Tasks:

• Design treatment plans by means of computer and/or manual computation that will deliver a prescribed radiation dose and field placement technique in accordance with the Radiation Oncologist prescription to a defined tumor volume.
• Consider dose-limiting structures in the design of treatment plans and document dose in accordance with Radiation Oncologist prescription.
• Assist with treatment simulations and tumor localization on dedicated devices, including computer tomography and MRI, when indicated, for radiation therapy treatment planning.
• Assist in planning and oversee fabrication of compensating filters, custom shields, wedges, and other beam modifying devices.
• Assist in the planning, oversee, and supervise production of molds, casts, and other immobilization devices.
• Assist radiation therapy staff in the implementation of the treatment plan including the correct use of immobilization devices, compensators, wedges, field arrangements, and any treatment variable associated with treatment planning implementation.
• Perform calculation methods for the delivery of prescribed dose, and subsequent documentation in patient files, and verification of the mathematical accuracy of all calculations using a system established by the Medical Physicist.
• Provide dosimetry and technical support to Medical Physicist, in radiation protection, qualitative and quantitative machine calibration, and quality assurance of the radiation therapy equipment. Assist in the application of specific methods of dosimetry, including ion chamber, TLD, or film measurements as directed by the Medical Physicist.

Certification:

• Must be certified in medical dosimetry by the Medical Dosimetrist Certification Board (MDCB).

Experience:

• With at least two years of continuous work experience within the last three years to ensure the CMD’s experience is current and relevant. CMD must also have the following minimum years of experience, expertise and knowledge on the following procedures, equipment, and software:
  1. Two (2) years of experience – Documentation detailing experience in performing QA procedures.
  2. One (1) year of experience – Documentation detailing CMD experience in a healthcare system that is ACR certified.
  3. One (1) year of experience – Varian Linear Accelerators: Novalis TX with Brain Lab and ExacTrac, TrueBeam with Rapid Arc (or equivalent).
  4. One (1) years of experience – Image Guided Radiation Therapy (IGRT) including Cone Beam CT (following standards of TG-142).
  5. One (1) year of experience – Eclipse treatment planning system; and ARIA record & verify system, including the following treatment modalities: SRS, SRT, SBRT, and IMRT (following standards of TG-53)
  6. One (1) year of experience – MapCheck and ArcCheck (or equivalent)
  7. One (1) year of experience – Toshiba CT Simulator (or equivalent)