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Assistant Physicist Jobs in California (NOW HIRING)

City of Hope

Assistant Physicist

Upland, CA

$119K - $144K/yr

Assistant Physicist - Radiation Oncology (Upland, Full-Time, Exempt status) Join the transformative team at City of Hope, where we're changing lives and making a real difference in the fight against ...

City of Hope

Assistant Physicist

Upland, CA

$119K - $144K/yr

Assistant Physicist - Radiation Oncology (Upland, Full-Time, Exempt status) Join the transformative team at City of Hope, where we're changing lives and making a real difference in the fight against ...

memorial care

Radiation Physicist

Fountain Valley, CA · On-site

$98/hr

Support radiation safety processes in coordination with the Physicist Lead, including adherence to the Radiation Safety Program and California Radiation Control Regulations (Title 17). Assist with ...

memorial care

Radiation Physicist

Fountain Valley, CA

$98/hr

Support radiation safety processes in coordination with the Physicist Lead, including adherence to the Radiation Safety Program and California Radiation Control Regulations (Title 17). Assist with ...

Solomon Page

Travel Physicist

San Francisco, CA · On-site

As a Physicist, you will focus on research efforts in the appointed specialized field ... You will report research findings and contribute to and assist with technical research papers. Job ...

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How much do assistant physicist jobs pay per hour?

As of Jul 27, 2026, the average hourly pay for assistant physicist in California is $20.51, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $20.87 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Assistant Physicist, and why are they important?

To thrive as an Assistant Physicist, you need a strong background in physics, mathematics, and research methodology, typically supported by at least a bachelor's or master's degree in physics or a related field. Familiarity with laboratory equipment, data analysis software (such as MATLAB or Python), and scientific computing is often required. Analytical thinking, attention to detail, and effective teamwork are crucial soft skills for success in collaborative research environments. These skills and qualities are vital for conducting precise experiments, analyzing data accurately, and contributing meaningfully to scientific advancements.

What types of projects and collaborations can an Assistant Physicist expect to be involved with in a research institution?

As an Assistant Physicist at a research institution, you will typically engage in both independent and team-based projects that contribute to ongoing experiments, data analysis, and theoretical modeling. Collaboration is a key aspect of the role, often involving close work with senior physicists, engineers, postdoctoral researchers, and sometimes external partners or institutions. You may regularly attend group meetings, present findings, and contribute technical expertise to interdisciplinary teams. This collaborative environment provides opportunities to learn from experienced colleagues, develop your research skills, and expand your professional network. Over time, successful project involvement can open doors to advancement within the institution or in related fields.

What are Assistant Physicists?

Assistant Physicists are early-career scientists who support and contribute to research projects in the field of physics. They typically work under the supervision of senior physicists, assisting with experimental design, data collection, analysis, and the preparation of scientific reports or publications. Their work spans various areas, such as condensed matter, particle physics, or applied physics, depending on the institution or laboratory. Assistant Physicists often work at universities, national laboratories, or research institutes, and the position is usually a stepping stone toward more senior research or faculty roles.
What are the most commonly searched types of Physicist jobs in California? The most popular types of Physicist jobs in California are:
What are popular job titles related to Assistant Physicist jobs in California? For Assistant Physicist jobs in California, the most frequently searched job titles are:
What job categories do people searching Assistant Physicist jobs in California look for? The top searched job categories for Assistant Physicist jobs in California are:
What cities in California are hiring for Assistant Physicist jobs? Cities in California with the most Assistant Physicist job openings:
Assistant Physicist jobs near you
Infographic showing various Assistant Physicist job openings in California as of July 2026, with employment types broken down into 1% As Needed, 74% Full Time, 21% Part Time, 1% Temporary, and 3% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $42,655 per year, or $20.5 per hour.
Assistant Physicist

Assistant Physicist

City of Hope

Upland, CA

$119K - $144K/yr

Full-time

Posted 17 days ago

City Of Hope rating

8.4

Company rating: 8.4 out of 10

Based on 88 frontline employees who took The Breakroom Quiz

27th of 890 rated healthcare providers

Job description

*** Thank you for your interest.  Please note, the purpose of this posting is to recruit for on-going and future positions ***

Assistant Physicist – Radiation Oncology (Upland, Full-Time, Exempt status)

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.

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

Pay Range: $93,392/yr - $119,080/yr - $144,747.20/yr ($44.90/hr - $57.25/hr - $69.59/hr)

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.

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About City of Hope

Sourced by ZipRecruiter

City of Hope is an independent biomedical research and treatment organization for cancer, diabetes and other life-threatening diseases. Founded in 1913, City of Hope is a leader in bone marrow transplantation and immunotherapy such as CAR T cell therapy. City of Hopes translational research and personalized treatment protocols advance care throughout the world. Human synthetic insulin, monoclonal antibodies and numerous breakthrough cancer drugs are based on technology developed at the institution. AccessHope, a subsidiary launched in 2019 serves employers and their health care partners by providing access to City of Hopes specialized cancer expertise. City of Hope is ranked among the nations Best Hospitals in cancer by U.S. News & World Report and received Magnet Recognition from the American Nurses Credentialing Center. Its main campus is located near Los Angeles, with additional locations throughout Southern California and in Arizona.

Industry

Hospitals

Company size

1,001 - 5,000 Employees

Headquarters location

Duarte, CA, US

Year founded

1913

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