Dosimetrist

aa067; Lancaster (CA); Hybrid; USD 110,000 - 170,000; Full time

Job summary

City of Hope in Lancaster, CA is seeking a Dosimetrist – Radiation Oncology to join a comprehensive care team. The role focuses on CT simulation, 3D treatment planning, and dosimetry under supervision, delivering precise radiation therapy while ensuring patient safety.

Responsibilities include 2D/3D planning, IMRT and HDR planning as available, contouring tissues per physician guidance, and contributing to treatment planning quality assurance.

Qualifications

• Bachelor’s degree or Medical Dosimetry program completed and CMD certification preferred.
• CMD certification or eligible; MDCB within two years can be pursued.
• Board eligibility as applicable for the role.

Responsibilities

• Independently assess dosimetry and physics requirements per physician prescription.
• Recommend treatment strategies to the physician.
• Perform 2D, 3D, and IMRT treatment planning.
• Plan HDR and interstitial brachytherapy as facilities allow.
• Digitize and import beam shaping blocks after simulation.
• Contour normal tissues according to physician instructions.

Skills

CT simulation

3D treatment planning

IMRT planning

HDR brachytherapy

Contour tissues

Beam shaping blocks

Education

Bachelor’s degree or Medical Dosimetry program

CMD certification

MDCB eligibility

Job description

Dosimetrist – Radiation Oncology (Lancaster, CA) (Onsite/Hybrid/Remote)

Join the transformative team at City of Hope, where we're changing lives and making a real difference in the fight against cancer, diabetes, and other life-threatening illnesses. City of Hope’s growing national system includes its Los Angeles campus, a network of clinical care locations across Southern California, a new cancer center in Orange County, California, andtreatment facilitiesin Atlanta, Chicago and Phoenix. O ur dedicated and compassionate employees are driven by a common mission: To deliver the cures of tomorrow to the people who need them today.

As a Dosimetrist in Radiation Oncology, the primary responsibilities involve performing CT simulation and treatment planning using 3-dimensional computer-assisted techniques. Under the guidance of a staff physicist, the role includes conducting general patient dosimetry, incorporating hand calculations for external beam therapy, and calculating doses for irregularly shaped fields. Additionally, the Dosimetrist prepares Total Body Irradiation data for treatment and conducts quality assurance checks on the treatment planning system to ensure accuracy and safety in radiation therapy procedures.

Tentative Hybrid Schedule:

Full‑time staff may work up to three days per week remotely. Eligibility for remote work begins upon completion of onboarding, competency validation, and demonstrated assimilation into team workflows. Because training needs differ, no predetermined timeframe is assigned. Operational or staffing requirements may necessitate increased on‑site presence to ensure adequate departmental coverage.

As a successful candidate, you will:

• Independently assess the necessary dosimetry and physics requirements for fulfilling the physician’s prescription
• Recommend treatment strategies to the physician
• Perform 2, 3-D, and IMRT treatment planning
• Perform treatment planning for HDR and interstitial brachytherapy (depends on facility)
• Digitize and import all beam shaping blocks at the completion of the simulation process
• Contour normal tissues according to physician instructions

Your qualifications should include:

• Bachelor’s degree or Graduate of 12-month Medical Dosimetry program ; CMD certification with 24 months experience following certification may substitute for minimum education requirements
• Experience as required for board eligibility.
• MDCB or eligible; must achieve MDCB within two years

City of Hope employees pay is based on the following criteria: work experience, qualifications, and work location. City of Hope is an equal opportunity employer. To learn more about our Comprehensive Benefits, please CLICK HERE.