What is the average Radiation Therapy Technician salary for Seattle, WA?
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As of August 01, 2026, the average Radiation Therapy Technician salary in Seattle, WA is $364,476. The chart below represents localized salaries for some of our most popular Radiation Therapy Technician job titles in Seattle, WA. Salaries can vary greatly depending on numerous factors, including position, location, years of experience, and level of education. Salary.com’s team of Certified Compensation Professionals analyzed survey data collected from thousands of HR departments at companies of all sizes and industries to compile a range of salaries for various Radiation Therapy Technician job titles in Seattle, WA. Apply your personal criteria to one of the job titles below to get your personalized salary estimate.
Radiation Therapy Technician Salaries in Seattle, WA
| Job Title | Salary | Hourly Rate | Location | Date Updated |
| Physician - Radiation Therapy | $594,075 | $285.61 | Seattle, WA | August 01, 2026 |
| Radiation Therapy Dosimetrist | $161,565 | $77.68 | Seattle, WA | August 01, 2026 |
| Radiation Therapy Technologist (ARRT) II | $115,945 | $55.74 | Seattle, WA | August 01, 2026 |
| Radiation Therapy Technologist (ARRT) I | $114,506 | $55.05 | Seattle, WA | August 01, 2026 |
| Radiation Technician | $70,705 | $33.99 | Seattle, WA | August 01, 2026 |
| Radiation Physicist | $261,994 | $125.96 | Seattle, WA | August 01, 2026 |
| Radiological Surveillance Technician I | $94,808 | $45.58 | Seattle, WA | August 01, 2026 |
| Radiological Surveillance Technician II | $106,874 | $51.38 | Seattle, WA | August 01, 2026 |
| Radiological Surveillance Technician III | $116,277 | $55.90 | Seattle, WA | August 01, 2026 |
| Physical Therapy Director | $175,992 | $84.61 | Seattle, WA | August 01, 2026 |
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Uses radiation to treat patients with cancer. Develops an individual treatment plan based on the patient's medical history, physical examination, review of laboratory tests, X-ray studies, and biopsies. May lead a multidisciplinary team, including radiation therapists and medical physicists, to design and oversee treatment plans tailored to each patient's condition. Requires a MD. Requires State License to Practice. Typically reports to a medical director. Years of experience may be unspecified. Certification and/or licensing in the position's specialty is the main requirement. Physician - Radiation Therapy Salaries in Seattle, WAAlternate Job Titles:Doctor - Radiation Therapy, Radiation Oncologist, Physician - Radiation TherapyCategory : Healthcare - Practitioners
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Calculates computerized isodose plans for radiation oncology patients. Computes standard dose calculations and determines computerized generation of isodose curves for external beam hyperthermia and brachytherapy radiation treatment programs. Calculates treatment machine settings, documents calculations, and records treatment data in therapy chart. Interprets physician prescriptions to develop a therapeutic treatment plan. Typically requires completion of a training program in medical dosimetry and ARRT registration in radiation therapy. Requires a bachelor's degree of physical or biological sciences. Typically reports to a manager or head of a unit/department. Years of experience may be unspecified. Certification and/or licensing in the position's specialty is the main requirement. Radiation Therapy Dosimetrist Salaries in Seattle, WAAlternate Job Titles:Medical Dosimetrist, Therapeutic Radiologic Technologist/Dosimetrist, Radiation Therapy Dosimetrist
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Administers radiation therapy by exposing specific areas of the patient's body to prescribed doses of radiation. Maintains patient charts, noting such information as the area treated, the radiation dosage, equipment control settings, the patient's reactions, and the total amount of radiation received to date. Consults with radiation oncologists and other clinical staff as needed. May require a bachelor's degree in a related area. Typically requires graduation from an accredited radiation therapy program, certification from the American Registry of Radiologic Technologists (ARRT), and a state license to practice. Typically reports to a physician or manager. Work is generally independent and collaborative in nature. Contributes to moderately complex aspects of a project. Typically requires 4 -7 years of related experience. Radiation Therapy Technologist (ARRT) II Salaries in Seattle, WAAlternate Job Titles:Radiation Therapist II, Registered Radiation Therapy Technologist II, Radiation Therapy Technologist (ARRT) II
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Administers radiation therapy by exposing specific areas of the patient's body to prescribed doses of radiation. Maintains patient charts, noting such information as the area treated, the radiation dosage, equipment control settings, the patient's reactions, and the total amount of radiation received to date. Consults with radiation oncologists and other clinical staff as needed. May require a bachelor's degree in a related area. Typically requires graduation from an accredited radiation therapy program, certification from the American Registry of Radiologic Technologists (ARRT), and a state license to practice. Typically reports to a physician or manager. Occasionally directed in several aspects of the work. Gaining exposure to some of the complex tasks within the job function. Typically requires 2 -4 years of related experience. Radiation Therapy Technologist (ARRT) I Salaries in Seattle, WAAlternate Job Titles:Radiation Therapist I, Registered Radiation Therapy Technologist I, Radiation Therapy Technologist (ARRT) ICategory : Healthcare - Technicians
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Collects, tests and analyzes materials of nuclear powered electric generating plant. May require an associate's degree or its equivalent with 0-2 years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field. Relies on instructions and pre-established guidelines to perform the functions of the job. Works under immediate supervision. Primary job functions do not typically require exercising independent judgment. Typically reports to a supervisor or manager. Radiation Technician Salaries in Seattle, WA
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Ensures the quality of care in the use of radiation-producing sources and imaging equipment and the protection of patients and staff from radiation. Calibrates all radiation therapy equipment, conducts X-ray machine performance surveys, and implements procedures to ensure quality control for electronic imaging devices. Recommends radiation safety procedures. Informs staff in radiation safety practices. May require an advanced degree of radiation physics. Typically reports to a manager or head of a unit/department. Contributes to moderately complex aspects of a project. Work is generally independent and collaborative in nature. Typically requires 4 to 7 years of related experience. Radiation Physicist Salaries in Seattle, WAAlternate Job Titles:Medical Radiation Equipment Calibration Specialist, Medical Radiation Materials Safety Specialist, Medical Radiation Therapy Quality Specialist, Radiation Physicist
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Performs and documents routine radiation and contamination surveys to detect radioactivity levels. Ensures all meters and monitoring equipment is correctly calibrated and maintained. May assist in distributing and collecting personal dosimeters or conducting safety training. Follows standard procedures to respond to and report incidents. Typically requires a high school diploma or equivalent. Typically reports to a supervisor. Works under moderate supervision. Gaining or has attained full proficiency in a specific area of discipline. Typically requires 1-3 years of related experience. Radiological Surveillance Technician I Salaries in Seattle, WAAlternate Job Titles:Radiation Protection Technician I, Radiation Safety Technician I, Radiological Surveillance Technician ICategories : Science and Research , Biotechnology , Energy and Utilities , Environment , Healthcare - Technicians , Manufacturing
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Performs and documents routine radiation and contamination surveys to detect radioactivity levels. Ensures all meters and monitoring equipment is correctly calibrated and maintained. May assist in distributing and collecting personal dosimeters or conducting safety training. Follows standard procedures to respond to and report incidents. Typically requires a high school diploma or equivalent. Typically reports to a supervisor. Works independently within established procedures associated with the specific job function. Has gained proficiency in multiple competencies relevant to the job. Typically requires 3-5 years of related experience. Radiological Surveillance Technician II Salaries in Seattle, WAAlternate Job Titles:Radiation Protection Technician II, Radiation Safety Technician II, Radiological Surveillance Technician IICategories : Science and Research , Biotechnology , Energy and Utilities , Environment , Healthcare - Technicians , Manufacturing
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Performs and documents routine radiation and contamination surveys to detect radioactivity levels. Ensures all meters and monitoring equipment is correctly calibrated and maintained. May assist in distributing and collecting personal dosimeters or conducting safety training. Follows standard procedures to respond to and report incidents. Typically requires a high school diploma or equivalent. Typically reports to a supervisor. Independently performs a wide range of complex duties under general guidance from supervisors. Has gained full proficiency in a broad range of activities related to the job. Typically requires 5-7 years of related experience. Radiological Surveillance Technician III Salaries in Seattle, WAAlternate Job Titles:Radiation Protection Technician III, Radiation Safety Technician III, Radiological Surveillance Technician IIICategories : Science and Research , Biotechnology , Energy and Utilities , Environment , Healthcare - Technicians , Manufacturing
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Directs and oversees the programs and staff of the physical therapy division and/or clinic. Evaluates current physical therapy programs and researches potential new or revised therapy programs to improve the quality of patient care. Develops and implements physical therapy policies, objectives, and initiatives. Reviews operational procedures to ensure standards meet regulatory compliance and follow industry best practices. Sets and implements guidelines for physical therapy programs. Monitors patient progress and treatment plans. Requires a doctorate degree in physical therapy. Requires Certified Physical Therapist (CPT). Requires Licensed Physical Therapist (LPT). Typically reports to senior management. Manages a departmental sub-function within a broader departmental function. Creates functional strategies and specific objectives for the sub-function and develops budgets/policies/procedures to support the functional infrastructure. Typically requires 5+ years of managerial experience. Deep knowledge of the managed sub-function and solid knowledge of the overall departmental function. Physical Therapy Director Salaries in Seattle, WAAlternate Job Titles:Clinical Director of Physical Therapy, Physical Therapy Director