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Radiation Assistant Jobs in California (NOW HIRING)

City of Hope

Radiation Therapist I

Torrance, CA · On-site

$70.04/hr

Radiation Therapist I - Radiation Oncology (Torrance) (Per Diem) Join the transformative team at ... Perform simulation procedures as prescribed by physician and assist in dosimetry procedures

City of Hope

Radiation Therapist I

Los Angeles, CA · On-site

$70.04/hr

Radiation Therapist I Radiation Therapist I - Radiation Oncology (South Pasadena) (Per Diem) Join ... assist in dosimetry procedures Perform daily quality assurance checks on linear accelerators ...

Astranis

Radiation Test Engineer

San Francisco, CA · On-site

Radiation Test Engineer As our Radiation Test Engineer you will be responsible for analyzing and ... Support other electrical design, bringup, and test activities * Assist in recruiting, interviewing ...

City of Hope

Radiation Therapist I

Irvine, CA · On-site

$51.24/hr

Radiation Therapist I Radiation Therapist I - Radiation Oncology Join the transformative team at ... assist in dosimetry procedures Perform daily quality assurance checks on linear accelerators ...

City of Hope

Radiation Therapist I

Duarte, CA

$80.01/hr

Radiation Therapist I - Radiation Oncology (Duarte) (Per Diem) Join the transformative team at City ... Perform simulation procedures as prescribed by physician and assist in dosimetry procedures

City of Hope

Radiation Therapist I

South Pasadena, CA · On-site

$70.04/hr

Radiation Therapist I Radiation Therapist I - Radiation Oncology (South Pasadena) (Per Diem) Join ... assist in dosimetry procedures Perform daily quality assurance checks on linear accelerators ...

LLNL

Radiation Effects Engineer

Livermore, CA · On-site

We have an opening for a Radiation Effects Engineer to work in the Target Diagnostic Engineering ... Mentor junior team members and assist in recruiting efforts. * Serve on internal technical/advisory ...

City of Hope

Radiation Therapist I

Duarte, CA · On-site

$73.27 - $90.17/hr

Radiation Therapist I Radiation Therapist I - Radiation Oncology (Duarte) - Full-Time/Sign-On Bonus ... assist in dosimetry procedures Perform daily quality assurance checks on linear accelerators ...

City of Hope

Radiation Therapist I

Duarte, CA

$80.01/hr

Radiation Therapist I - Radiation Oncology (Duarte) (Per Diem) Join the transformative team at City ... Perform simulation procedures as prescribed by physician and assist in dosimetry procedures

Tenet Health

Radiation Therapist

Turlock, CA · On-site

Under the direction of the Radiation Oncologist and supervision of the center director the ... The therapist will also assist in the development and achievement of goals at the center and will ...

Zeno Power

Radiation Technician

Sunol, CA · On-site

$46.67 - $60.10/hr

Radiation Protection Technician Zeno is seeking a highly motivated Radiation Protection Technician ... * Assist in maintaining ALARA practices and radiological controls across facility operations.

LLNL

Radiation Effects Engineer

Livermore, CA · On-site

We have an opening for a Radiation Effects Engineer to work in the Target Diagnostic Engineering ... Mentor junior team members and assist in recruiting efforts. * Serve on internal technical/advisory ...

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All JobsRadiation JobsRadiation Assistant JobsRadiation Assistant Jobs in California

Radiation Assistant information

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$18

$174

$189

How much do radiation assistant jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for radiation assistant in California is $174.65, according to ZipRecruiter salary data. Most workers in this role earn between $189.81 and $189.81 per hour, depending on experience, location, and employer.

What is a radiation assistant?

Radiation Assistants are healthcare professionals who support the work of radiation therapists and technologists in medical settings. They help prepare patients for radiation treatments, maintain equipment, manage patient records, and ensure a safe environment by following strict safety protocols. Their role is crucial in facilitating smooth radiation therapy sessions and assisting the medical team with both administrative and clinical tasks. Radiation Assistants work under the supervision of licensed radiation therapists or radiologic technologists and play a vital part in patient care within oncology departments.

What are some typical challenges radiation assistants face when supporting radiation therapists and how can they successfully manage them?

Radiation Assistants often encounter challenges such as maintaining precise patient positioning, managing sensitive equipment, and ensuring consistent communication between patients and the clinical team. Successful Radiation Assistants develop strong attention to detail, learn to anticipate the needs of therapists, and remain adaptable to last-minute changes in treatment schedules. Building rapport with patients and staying updated on safety protocols are also crucial for providing effective support and ensuring a smooth workflow in the radiation oncology department.

What are the key skills and qualifications needed to thrive as a radiation assistant, and why are they important?

To thrive as a Radiation Assistant, you need a solid understanding of radiation safety, basic medical knowledge, and often a relevant certification or associate degree. Familiarity with radiology equipment, imaging software, and adherence to safety protocols is typically required. Attention to detail, strong communication, and the ability to work well under supervision are vital soft skills for this role. These competencies ensure accurate imaging procedures, protect patient and staff safety, and support efficient clinical workflows.

What is the difference between Radiation Assistant vs Radiation Technologist?

AspectRadiation AssistantRadiation Technologist
CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate's or Bachelor's degree in radiologic technology; certification required
Work EnvironmentHospitals, clinics, imaging centers; supervised by technologistsHospitals, clinics; responsible for performing imaging procedures
Job ResponsibilitiesAssist with patient prep, equipment setup, and basic tasksOperate imaging equipment, capture images, ensure patient safety

In summary, Radiation Assistants support technologists with basic tasks and typically require less formal education, while Radiation Technologists perform the actual imaging procedures and need specialized training and certification.

How do I become a radiation assistant?

To become a radiation assistant, candidates typically need a high school diploma or equivalent and relevant training in radiation safety and procedures. Some positions require certification or on-the-job training, and familiarity with radiation detection tools and safety protocols is important. Licensing requirements vary by region and employer.

Is it hard to be a radiation assistant?

Being a radiation assistant requires understanding radiation safety protocols, operating specialized equipment, and often obtaining relevant certifications. The job can be physically and mentally demanding due to the need for attention to detail and adherence to safety standards, but it is generally manageable with proper training and experience.

What does a radiation assistant do?

A radiation assistant supports radiation technologists by preparing equipment, assisting during imaging procedures, and ensuring safety protocols are followed. They may handle patient positioning, operate basic equipment, and maintain a clean, safe environment in medical or industrial settings. Certification or training in radiation safety is often required.

What are the most commonly searched types of Radiation jobs in California?

The most popular types of Radiation jobs in California are:

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

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

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

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

What cities in California are hiring for Radiation Assistant jobs?

Cities in California with the most Radiation Assistant job openings:

Radiation Assistant jobs near you
Infographic showing various Radiation Assistant job openings in California as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 16% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $363,266 per year, or $174.6 per hour.

Radiation Therapist I

Torrance, CA • On-site

City of Hope
Hospitals • 1 - 5K employees

8.4

Company rating: 8.4 out of 10

Based on 91 frontline employees who took The Breakroom Quiz

24th of 898 rated healthcare providers

People enjoy working here

Good employer

Recommended by parents

Learn more about City of Hopeexternal

$70.04/hr

Other

This job post has expired today. Applications are no longer accepted.

Job description

Radiation Therapist I - Radiation Oncology (Torrance) (Per Diem)
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. O ur dedicated and compassionate employees are driven by a common mission: To deliver the cures of tomorrow to the people who need them today.
The Radiation Therapist is responsible for delivering high-quality radiation therapy treatments to patients as prescribed by a physician, in compliance with established clinical standards, safety protocols, and regulatory guidelines. The therapist operates a variety of specialized equipment to perform advanced procedures, including Intensity Modulated Radiation Therapy (IMRT), Stereotactic Radiation Surgery (SRS), Stereotactic Body Radiation Therapy (SBRT), Total Body Irradiation (TBI), Total Body Electron Therapy (TBE), High Dose Rate (HDR) Brachytherapy, and CT-based simulation planning.
In addition to administering treatments, the Radiation Therapist ensures accurate patient positioning, verifies treatment plans, monitors patients for side effects, and maintains detailed treatment records. The role also involves providing clinical instruction, mentorship, and supervision to students undergoing training in radiation therapy techniques, fostering a learning environment that emphasizes patient safety and quality care.
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
  • 0-3 of related experience, depending on training
  • Licensed by the California State Department of Health (Certified in Radiation Therapy)
  • Certification by the ARRT - in Radiation Therapy CRT
  • BLS or CPR
  • Hourly Pay rate: $70.0448 / 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.
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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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