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Radiation Science Jobs in California (NOW HIRING)

LLNL

Radiation Effects Engineer

Livermore, CA · On-site

$9.7K/wk

We have an opening for a Radiation Effects Engineer to work in the Target Diagnostic Engineering & Science (TDES) Group at the National Ignition Facility. You will support the development and ...

LLNL

Radiation Effects Engineer

Livermore, CA

We have an opening for a Radiation Effects Engineer to work in the Target Diagnostic Engineering & Science (TDES) Group at the National Ignition Facility. You will support the development and ...

LLNL

Radiation Effects Engineer

Livermore, CA · On-site

We have an opening for a Radiation Effects Engineer to work in the Target Diagnostic Engineering & Science (TDES) Group at the National Ignition Facility. You will support the development and ...

LLNL

Radiation Effects Engineer

Livermore, CA · On-site

We have an opening for a Radiation Effects Engineer to work in the Target Diagnostic Engineering & Science (TDES) Group at the National Ignition Facility. You will support the development and ...

Blue Origin

Radiation Effects Engineer

Los Angeles, CA · On-site

$81K - $113K/yr

S. (or higher) in Electrical Engineering, Physics, Computer Science, Nuclear Science, or related field * Noteworthy experience in the following: * design, analysis, and/or testing for radiation ...

Astranis

Radiation Effects Engineer

San Francisco, CA · On-site

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 ...

Blue Origin

Radiation Effects Engineer

Los Angeles, CA · On-site

$81K - $113K/yr

S. (or higher) in Electrical Engineering, Physics, Computer Science, Nuclear Science, or related field * Noteworthy experience in the following: * design, analysis, and/or testing for radiation ...

Astranis

Radiation Test Engineer

San Francisco, CA · On-site

Radiation Test Engineer As our Radiation Test Engineer you will be responsible for analyzing and ... Bachelor of Science degree in nuclear engineering, electrical engineering, physics, or equivalent ...

City of Hope

Radiation Therapist I

Duarte, CA · On-site

$73.27 - $90.17/hr

... Science in Radiation Therapy Program Licensed by the California State Department of Health (Certified in Radiation Therapy) Certification by the ARRT - in Radiation Therapy CRT BLS or CPR Note:

City of Hope

Radiation Therapist I

Duarte, CA · On-site

$80.01/hr

Graduate of an accredited radiologic technology course plus radiation therapy course OR Graduate of an accredited Bachelor of Science in Radiation Therapy Program * Licensed by the California State ...

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Radiation Science information

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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.

Radiation Therapist - Radiation Oncology

City of Hope

Duarte, CA • On-site

$76.20 - $93.78/hr

Full-time

Posted 6 days ago

City Of Hope rating

8.4

Company rating: 8.4 out of 10

Based on 90 frontline employees who took The Breakroom Quiz

25th of 888 rated healthcare providers

Job description

Radiation Therapist  - Radiation Oncology (Duarte)

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. our dedicated and compassionate employees are driven by a common mission: To deliver the cures of tomorrow to the people who need them today.  

Eligible for Sign On Bonus: $10,000

The Department of Radiation Oncology in Duarte at City of Hope brings an array of innovative technologies, protocols, and research procedures. Our Radiation Therapists are exposed to challenging, interesting, and exciting new treatment technologies. Our skilled therapists work on state-of-the-art machines and procedures that save lives: Tomotherapy, RefleXion, Truebeam, Identity, and Vision RT surface guidance technology as well as HDR, brachytherapy, clinical trial patients, disease-focused specialty practice, to name a few. The RefleXion unit uses advanced technology with a radiopharmaceutical agent that cancer cells absorb creating a biological beacon for targeted radiation treatments. Also, Varian Ethos is a new revolutionary therapy machine that uses adaptive Radiation Therapy that combines artificial intelligence with adaptive therapy allowing physicians to make daily adjustments in a patient's treatment in real-time based on the cancer's response. These innovations in technology help cultivate a higher level skill set, being unique to only Radiation Therapists at COH Duarte!

As a successful candidate, you will: 

  • Deliver a prescribed and planned course of radiation therapy to patients of all ages.

  • Reinforce recommendations given to patient by healthcare professional concerning reaction to treatment and care of radiated area, prevention, or treatment of generalized and local side effects

  • Perform simulation procedures as prescribed by physician and assist in dosimetry procedures

  • Perform daily quality assurance checks on linear accelerators, reporting any variation in morning warm-up. Reports improper equipment operation to appropriate personnel

Your qualifications should include:

  • High School or equivalent; Post High School Vocational/Specialized Training in an accredited Radiation Therapy Education Program

  • Graduate of an accredited radiologic technology course plus radiation therapy course OR 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 Radiation Therapy CRT

  • BLS or CPR

  • Note:

    • Radiation Therapist I: < 3 years of RT experiences - $53.29/hr - $69.27/hr - $85.26/hr

    • Radiation Therapist II: >3 years of RT experiences - $58.61/hr - $76.20/hr - $93.78/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.

What City Of Hope employees say

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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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