Senior radiation therapist salary in United States

The average salary for a Senior Radiation Therapist is $65.20 per hour in the United States. This figure is based on 86 salaries taken from job postings on Indeed in the past 36 months, last updated on August 7, 2026.

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Senior Radiation Therapist salaries typically range between a low of $46.58 and a high of $91.28 per hour, depending on experience, location, and the hiring company.

Some of the highest-paying cities for Senior Radiation Therapist include Mountain View, CA at $86.61 per hour, Los Gatos, CA at $84.42 per hour, and Pasadena, CA at $67.79 per hour.

Based on recent job postings on Indeed, some of the top-paying companies for Senior Radiation Therapist include OneOncology ($176,800 per year) and El Camino Health ($174,106 per year).

Compensation can vary based on the specific niche and level of responsibility within the field. Here is how the average Senior Radiation Therapist salary compares to related positions:

• Radiation Therapist: Average $2,606 per week
• Senior Radiation Therapist: Average $65.20 per hour