Demo

Assistant Physicist

City of Hope
Irvine, CA Full Time
POSTED ON 6/6/2026
AVAILABLE BEFORE 7/5/2026
Assistant Physicist – Radiation Oncology

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, and treatment facilities in Atlanta, Chicago and Phoenix. our dedicated and compassionate employees are driven by a common mission: To deliver the cures of tomorrow to the people who need them today.

The Assistant Physicist supports the Radiation Oncology department by performing duties related to dosimetry, equipment calibration, treatment planning, radiation protection, and safety. Under the direction of a qualified medical physicist, this role ensures the accurate and safe delivery of radiation therapy in accordance with established protocols and regulatory standards. CLICK HERE to learn more about the Lennar Foundation Cancer Center!

As a successful candidate, you will:

  • Work under supervision of a licensed medical physicist, calculates treatment time and prepare dosimetric information including: retrieving previous treatment records, contour taking, computer assisted treatment planning, computation of dose to points of interest, in-vivo dosimetry, design of beam shaping blocks and tissue compensators, documentation and treatment portal design using Phanta.
  • Assist a Quality Assurance Program for Clinical Radiation Dosimetry: review of proper dose delivery and cumulative dose; compare computed dose with delivered dose using diodes or TLD's; perform tests to check operation of therapy machines; recalibrates therapy machines.
  • Participate in Brachytherapy treatment planning and QA programs
  • Participate patient specific phantom QA, calibration of therapy units and other assigned tasks.

Your qualifications should include:

  • Bachelor's Degree in Physics or Engineering
  • New grads welcome to apply

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.

Salary : $44 - $69

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