Medical physics jobs in California are available in various healthcare settings, such as hospitals, cancer centers, research institutes, and universities. Medical physicists apply their knowledge of physics to diagnose and treat medical conditions, including cancer, by using radiation and other forms of energy. Here are some examples of medical physics jobs in California:

1. Radiation Oncology Medical Physicist: Radiation oncology medical physicists work in cancer centers and hospitals to ensure the safe and effective delivery of radiation therapy to cancer patients. They provide quality assurance for radiation therapy equipment, perform treatment planning, and monitor patients' treatment response.
2. Diagnostic Imaging Medical Physicist: Diagnostic imaging medical physicists work in hospitals and medical imaging centers to ensure the accuracy and safety of medical imaging equipment, such as X-ray machines, MRI scanners, and CT scanners. They perform equipment testing and calibration, quality control, and dose optimization to minimize patient radiation exposure.
3. Nuclear Medicine Medical Physicist: Nuclear medicine medical physicists work in hospitals and research institutes to develop and implement imaging and therapy procedures that use radioactive materials. They provide radiation safety oversight and ensure the accuracy and quality of diagnostic and therapeutic procedures.
4. Medical Physics Research Scientist: Medical physics research scientists work in academic and research institutions to conduct research and develop new technologies and techniques for medical diagnosis and treatment. They collaborate with other medical professionals to apply physics principles to medical problems and develop innovative solutions.

To find medical physics jobs in California, you can search on job search websites such as Indeed, Glassdoor, and LinkedIn. You can also check the websites of medical physics professional organizations, such as the American Association of Physicists in Medicine (AAPM) and the International Organization for Medical Physics (IOMP), for job listings and networking opportunities.