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Radiation Science Jobs in California (NOW HIRING)

Navista

PRN Radiation Therapist

Apple Valley, CA · On-site

$43.30 - $61.80/hr

Bachelors Degree in science, or equivalent experience, preferred * Graduate of an accredited school of radiation therapy technology * Certification in Radiation Therapy Technology by the American ...

Cardinal Health

PRN Radiation Therapist

Apple Valley, CA · On-site

$43.30 - $61.80/hr

Bachelors Degree in science, or equivalent experience, preferred * Graduate of an accredited school of radiation therapy technology * Certification in Radiation Therapy Technology by the American ...

Cardinal Health

PRN Radiation Therapist

Apple Valley, CA

$43.30 - $61.80/hr

Bachelors Degree in science, or equivalent experience, preferred * Graduate of an accredited school of radiation therapy technology * Certification in Radiation Therapy Technology by the American ...

City of Hope

Radiation Therapist - Per Diem

Irvine, CA · On-site

$80.01/hr

Graduate of an accredited Bachelor of Science in Radiation Therapy Program * Licensed by the California State Department of Health (Certified in Radiation Therapy) * Certification by the ARRT - in ...

City of Hope

Radiation Therapist - Per Diem

Irvine, CA · On-site

$80.01/hr

Graduate of an accredited Bachelor of Science in Radiation Therapy Program * Licensed by the California State Department of Health (Certified in Radiation Therapy) * Certification by the ARRT - in ...

Sutter Health

Radiation Therapist II

Palo Alto, CA · On-site

$73.65 - $95.74/hr

Radiation Therapist We are so glad you are interested in joining Sutter Health! Organization: PAMF ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

Santa Cruz, CA · On-site

$73.65 - $95.74/hr

Radiation Therapist We are so glad you are interested in joining Sutter Health! Organization: PAMF ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

Sunnyvale, CA · On-site

$73.65 - $95.74/hr

Radiation Therapist We are so glad you are interested in joining Sutter Health! Organization: PAMF ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

San Luis Obispo, CA · On-site

$65.10 - $91.14/hr

Competently performs routine and specialized radiation treatments in accordance with the treatment ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

Stockton, CA · On-site

$67.45 - $94.43/hr

Competently performs routine and specialized radiation treatments in accordance with the treatment ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

Stockton, CA · On-site

$67.45 - $94.43/hr

Competently performs routine and specialized radiation treatments in accordance with the treatment ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

Stockton, CA · On-site

$67.45 - $94.43/hr

Competently performs routine and specialized radiation treatments in accordance with the treatment ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

San Luis Obispo, CA · On-site

$65.10 - $91.14/hr

Competently performs routine and specialized radiation treatments in accordance with the treatment ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Sutter Health

Radiation Therapist II

Modesto, CA · On-site

$67.45 - $94.43/hr

Competently performs routine and specialized radiation treatments in accordance with the treatment ... Prioritize assignments and work within standardized policies, procedures, and scientific methods to ...

Astranis

Radiation Effects Engineer

San Francisco, CA · On-site

$120K - $145K/yr

Radiation Effects Engineer As a Radiation Effects Engineer, you will be responsible for driving the ... Bachelor of Science degree in Electrical Engineering (EE), or a related technical field (Physics ...

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Radiation Science information

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$18

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How much do radiation science jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for radiation science in California is $42.14, according to ZipRecruiter salary data. Most workers in this role earn between $27.50 and $53.61 per hour, depending on experience, location, and employer.

What is radiation science?

Radiation science is a multidisciplinary field that studies the properties, effects, and applications of radiation, including both ionizing and non-ionizing forms. Professionals in this field often work in medical, industrial, research, or environmental settings to understand how radiation interacts with matter, ensure safe usage, and develop new technologies. The work can involve radiation safety, medical imaging, cancer treatment (radiation therapy), nuclear power, and environmental protection. Radiation scientists play a crucial role in protecting people and the environment from harmful effects while harnessing the benefits of radiation.

What are the key skills and qualifications needed to thrive in radiation science?

To thrive in Radiation Science, a strong background in physics, mathematics, and radiological safety, often supported by a relevant degree such as a BSc or MSc in radiation science or medical physics, is essential. Familiarity with technical tools like dosimetry equipment, radiation detectors, and specialized software, along with certifications such as ARRT or equivalent, is typically required. Strong analytical thinking, attention to detail, and effective communication skills set outstanding professionals apart in this field. These skills and qualifications are crucial to ensure safe, accurate measurement and application of radiation in healthcare, research, or industry settings, protecting both people and the environment.

What are some common challenges faced by professionals in radiation science, and how can they be addressed?

Professionals in radiation science often encounter challenges such as maintaining strict safety standards, staying current with evolving technologies, and effectively communicating complex information to non-specialists. To address these, radiation scientists must prioritize continuous education, adhere to rigorous safety protocols, and collaborate closely with interdisciplinary teams. Regular training, staying updated through professional organizations, and developing strong communication skills are key strategies for overcoming these challenges and ensuring both personal safety and accurate results.

What is the difference between Radiation Science vs Radiation Therapy?

AspectRadiation ScienceRadiation Therapy
CredentialsTypically requires a bachelor's degree in radiation science or related fieldRequires a bachelor's degree and certification as a radiation therapist
Work EnvironmentResearch labs, hospitals, imaging centersHospitals, cancer treatment centers, clinics
Job FocusStudying radiation principles, safety, and applicationsAdministering radiation treatments to patients

Radiation Science involves understanding radiation principles and safety, often in research or diagnostic settings, while Radiation Therapy focuses on providing treatment to cancer patients using radiation. Both roles require knowledge of radiation safety but differ in their primary objectives and work environments.

What can you do with a degree in radiation science?

A degree in radiation science prepares individuals for careers as radiation therapists, medical physicists, radiologic technologists, or health physicists. These roles involve working in hospitals, clinics, or research facilities, using specialized equipment to diagnose and treat medical conditions or ensure safety in environments with radiation exposure. Certification and technical skills are often required for employment in this field.

What does a radiation scientist do?

A radiation scientist studies the effects of radiation on matter and living organisms, often working in research, healthcare, or nuclear industries. They analyze radiation data, develop safety protocols, and use specialized tools like dosimeters and spectrometers, typically requiring knowledge of physics and safety standards. Their work may involve laboratory experiments, data analysis, and ensuring compliance with radiation safety regulations.

What are popular job titles related to Radiation Science jobs in California?

For Radiation Science jobs in California, the most frequently searched job titles are:

What job categories do people searching Radiation Science jobs in California look for?

The top searched job categories for Radiation Science jobs in California are:

Radiation Science jobs near you
Infographic showing various Radiation Science job openings in California as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 17% Part Time, and 2% Contract. Highlights an 73% Physical, 4% Hybrid, and 23% Remote job distribution, with an average salary of $87,641 per year, or $42.1 per hour.

PRN Radiation Therapist

Navista

Apple Valley, CA • On-site

$43.30 - $61.80/hr

Part-time

PTO

This job post has expired 2 days ago. Applications are no longer accepted.

Job description

This position is located at:
Mojave Radiation Oncology Center
18280 Siskiyou Road
Apple Valley, CA 92307
As a part of our team, you'll help deliver compassionate, patient-centered care that truly makes a difference. Join our Radiation Therapy team at Mojave Radiation Oncology Center where your skills will directly impact the health and comfort of patients in your community.
This PRN position has an anticipated hourly pay range of $43.30 - $61.80.
What Radiation Therapy contributes to Cardinal Health
Radiation is a medical specialty that uses radiation to treat cancer and alleviate symptoms, and it can also be used for certain non-cancerous conditions. Radiation Therapy ensures the safe and effective delivery of radiation therapy to a patient's tumor using a linear accelerator machine. The Radiation Therapist is responsible for administering prescribed doses of radiation to specific body parts, using radiation therapy equipment, according to established practices and standards.
This is a PRN opportunity to help cover for high volume and planned or unplanned time off.
Responsibilities
  • Administer radiation therapy as prescribed by the physician.
  • Verify prescribed treatment dose before each treatment; verify fields to be treated, and angles to be used.
  • Assure placement of protective devices in order to shield otherwise healthy exposed tissue of patients.
  • Simulates patients using simulator, CT scanner or other devices to accurately localize treatment areas.
  • Display professional conduct essential to the well being of the radiation oncology patient.
  • Maintain accurate and detailed treatment chart documentation.
  • Observe the clinical progress of the patient, use clinical decision making skills to recognize and report any signs of complications.
  • Adhere to radiation safety procedure protocol.
  • Perform machine safety checks; know safe limits of equipment operations, and report abnormalities or inconsistencies to the Center Leader.
  • Work closely with the Radiation Oncologist and the therapy team in the preparation of a treatment plan.
  • Adhere to the Radiation Therapist Code of Ethics.
  • Regular attendance and punctuality.
  • Ability to be on call.
  • Contributes to team effort by accomplishing related results as needed.
  • Ensures that all processing and reporting deadlines are consistently achieved.
  • Perform any other functions as required by management.

Qualifications
  • ARRT Board eligible
  • ARRT Board certified, preferred
  • Bachelors Degree in science, or equivalent experience, preferred
  • Graduate of an accredited school of radiation therapy technology
  • Certification in Radiation Therapy Technology by the American Registry of Radiologic Technologist
  • Ability to work a flexible schedule as needed

What is expected of you and others at this level
  • Applies working knowledge in the application of concepts, principles and technical capabilities to perform varied tasks
  • Works on projects of moderate scope and complexity
  • Identifies possible solutions to a variety of technical problems and takes action to resolve
  • Applies judgment within defined parameters
  • Receives general guidance and may receive more detailed instruction on new projects
  • Work reviewed for sound reasoning and accuracy

Anticipated pay range: $43.30 per hour - $61.80 per hour
Bonus eligible: No
Benefits: Paid time off in compliance with applicable laws
Application window anticipated to close: 5/11/2026 *if interested in opportunity, please submit application as soon as possible.
The hourly range listed is an estimate. Pay at Cardinal Health is determined by multiple factors including, but not limited to, a candidate's geographical location, relevant education, experience and skills and an evaluation of internal pay equity.
#LI-LP
Candidates who are back-to-work, people with disabilities, without a college degree, and Veterans are encouraged to apply.
Cardinal Health supports an inclusive workplace that values diversity of thought, experience and background. We celebrate the power of our differences to create better solutions for our customers by ensuring employees can be their authentic selves each day. Cardinal Health is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state or local law.
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