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Radiotherapy Physicist Jobs (NOW HIRING)

Exciting opportunity for a Clinical Radiotherapy Physicist to join Memorial Sloan Kettering's Radiation Dosimetry Core in Manhattan! This role supports commissioning, quality assurance (QA), advanced ...

Exciting opportunity for a Clinical Radiotherapy Physicist to join Memorial Sloan Kettering's Radiation Dosimetry Core in Manhattan! This role supports commissioning, quality assurance (QA), advanced ...

We are seeking a motivated Clinical Radiotherapy Physicist to join the Radiation Dosimetry Core within the Radiotherapy Physics Division at Memorial Sloan Kettering Cancer Center (MSK), based in ...

Minimum 3 years' experience in full-time radiotherapy physics in a clinical center for radiotherapy is preferred. Environmental / Working Conditions * Works inside. Hours of duty may be irregular.

... directs radiotherapy and radiosurgery quality assurance programs. Conducts and participates in ... Provides radiation oncology physics teaching for physicians, medical physicists, residents and ...

... directs radiotherapy and radiosurgery quality assurance programs. Conducts and participates in ... Provides radiation oncology physics teaching for physicians, medical physicists, residents and ...

... directs radiotherapy and radiosurgery quality assurance programs. Conducts and participates in ... Provides radiation oncology physics teaching for physicians, medical physicists, residents and ...

Medical Physicist

Providence, RI · On-site

$188K - $311K/yr

... directs radiotherapy and radiosurgery quality assurance programs. Conducts and participates in ... Provides radiation oncology physics teaching for physicians, medical physicists, residents and ...

CT imaging and QA for external beam radiotherapy. * Participates in all CARTI related didactic activities as directed by the Director of Physics. * Basic metrics for active participation must be ...

... radiotherapy. The Physicist performs rigorous quality assurance procedures to verify equipment ... performance and treatment accuracy, ensuring radiation safety and compliance with guidelines from ...

CT imaging and QA for external beam radiotherapy. * Participates in all CARTI related didactic activities as directed by the Director of Physics. * Basic metrics for active participation must be ...

... radiotherapy. The Physicist performs rigorous quality assurance procedures to verify equipment ... performance and treatment accuracy, ensuring radiation safety and compliance with guidelines from ...

... radiotherapy. The Physicist performs rigorous quality assurance procedures to verify equipment ... performance and treatment accuracy, ensuring radiation safety and compliance with guidelines from ...

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Radiotherapy Physicist information

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$39.5K

$94.8K

$226.5K

How much do radiotherapy physicist jobs pay per year?

As of Jul 26, 2026, the average yearly pay for radiotherapy physicist in the United States is $94,805.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,000.00 and $112,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by Radiotherapy Physicists in ensuring accurate treatment delivery?

Radiotherapy Physicists often encounter challenges such as maintaining precise calibration of equipment, adapting to rapidly evolving technology, and ensuring each patient's treatment plan is both safe and effective. They must routinely verify that machines deliver the correct dose to the exact location, which requires meticulous attention to detail and strong problem-solving skills. Collaboration with radiation oncologists, dosimetrists, and therapists is essential to address unexpected issues and implement quality assurance protocols, ensuring optimal patient care.

What is the difference between Radiotherapy Physicist vs Medical Physicist?

AspectRadiotherapy PhysicistMedical Physicist
CredentialsCertification in radiation oncology physics, often a master's or doctoral degree in medical physicsCertification by boards like ABR, with similar educational requirements
Work EnvironmentHospitals, cancer treatment centers, radiation oncology departmentsHospitals, clinics, research institutions, including radiology and nuclear medicine
Employer & IndustrySpecialized in cancer treatment facilitiesBroader healthcare settings including radiology, nuclear medicine, and research

Both Radiotherapy Physicists and Medical Physicists require similar credentials and often work in hospital settings. However, Radiotherapy Physicists focus specifically on cancer treatment using radiation, while Medical Physicists may work across various medical imaging and treatment areas. Their roles overlap in certification and work environment, but their specialization differs based on the clinical focus.

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

To thrive as a Radiotherapy Physicist, you need a strong background in medical physics or a related field, usually supported by a master’s or doctoral degree and certification such as board registration. Familiarity with treatment planning systems, dosimetry equipment, and quality assurance protocols is essential. Attention to detail, problem-solving ability, and effective communication are crucial soft skills for collaborating with oncologists and technologists. These competencies are vital to ensuring safe, accurate, and effective cancer treatment for patients.

What type of physicist gets paid the most?

Among physics-related roles, radiotherapy physicists tend to earn higher salaries due to their specialized knowledge in medical physics and radiation safety. Generally, physicists working in healthcare, especially in radiation oncology, or those with advanced certifications and experience, tend to have higher compensation compared to other physics specialties.

What can I do with a radiation health physics degree?

A radiation health physics degree prepares individuals for roles such as radiotherapy physicist, health physicist, or radiation safety officer, focusing on radiation protection, safety protocols, and dose management. These professionals work in hospitals, research facilities, or regulatory agencies, often requiring certification and knowledge of radiation measurement tools and safety standards.

What does a radiotherapy physicist do?

A radiotherapy physicist is responsible for ensuring the safe and effective delivery of radiation treatments to cancer patients. They design treatment plans, calibrate equipment, perform quality assurance, and monitor radiation doses to ensure accuracy and safety during therapy. The role requires knowledge of radiation physics, clinical protocols, and often involves collaboration with medical staff and use of specialized tools like treatment planning systems.

What does a radiation physicist make?

A radiation physicist, or radiotherapy physicist, typically earns a salary ranging from $80,000 to $150,000 annually, depending on experience, location, and workplace. They often work in hospitals or cancer treatment centers, utilizing specialized knowledge of radiation safety, treatment planning, and medical imaging tools.

What is a Radiotherapy Physicist?

A Radiotherapy Physicist is a healthcare professional who specializes in the application of physics to the treatment of cancer with radiation. They ensure that radiation treatments are delivered safely and accurately, working closely with oncologists and technologists to design treatment plans and calibrate equipment. Their responsibilities include quality assurance, equipment maintenance, and developing protocols to optimize patient care. Radiotherapy Physicists also contribute to research and the development of new radiation techniques, playing a vital role in advancing cancer treatment.
More about Radiotherapy Physicist jobs
What cities are hiring for Radiotherapy Physicist jobs? Cities with the most Radiotherapy Physicist job openings:
What job categories do people searching Radiotherapy Physicist jobs look for? The top searched job categories for Radiotherapy Physicist jobs are:
Infographic showing various Radiotherapy Physicist job openings in the United States as of July 2026, with employment types broken down into 2% As Needed, 83% Full Time, 9% Part Time, and 6% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $94,805 per year, or $45.6 per hour.

Clinical Radiotherapy Physicist

Msk

New York, NY

$169K - $306K/yr

Full-time

Posted 9 days ago


Job description

About Us:

The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life. Our specialized care teams provide personalized, compassionate, expert care to patients of all ages. Informed by basic research done at our Sloan Kettering Institute, scientists across MSK collaborate to conduct innovative translational and clinical research that is driving a revolution in our understanding of cancer as a disease and improving the ability to prevent, diagnose, and treat it. MSK is dedicated to training the next generation of scientists and clinicians, who go on to pursueour missionat MSK and around the globe.

Exciting opportunity for a Clinical Radiotherapy Physicist to join Memorial Sloan Kettering's Radiation Dosimetry Core in Manhattan! This role supports commissioning, quality assurance (QA), advanced dosimetry, and clinical external beam radiotherapy physics across MSK sites.

This position is posted at two levels. Candidates with a master's degree and less than 3 years of post-training clinical experience will be considered for the Physicist I track; candidates with 3-5+ years of experience will be considered for the Physicist II track.

Role Overview

As part of the Radiation Dosimetry Core, you will support the development, implementation, and maintenance of MSK's QA and dosimetry programs across multiple clinical sites.

  • QA and dosimetry: Perform routine and advanced QA for linear accelerators, CT simulators, and associated systems; maintain QA datasets, documentation, and enterprise QA workflows.
  • Clinical support: Support external beam radiotherapy physics operations, including patient-specific QA review and daily QA processes across Main Campus and Koch Center.
  • Commissioning and technology: Support commissioning of new clinical equipment/software and help evaluate and implement emerging QA technologies.
  • Documentation and procedures: Maintain detailed records, technical procedures, analyses, and required paper/electronic documentation for assigned projects and QA activities.
  • Education and collaboration: Partner with radiation oncologists, therapists, dosimetrists, and physicists; provide training and serve as a resource on assigned project-related issues.
  • Professional growth: Participate in workshops, lectures, meetings, in-service training, and continuing education to support credentialing and professional development.

Key Responsibilities

  • Clinical support: Support external beam radiotherapy physics operations, patient-specific QA review, and daily QA processes at Main Campus and Koch Center.
  • Treatment equipment QA: Independently perform and oversee routine and advanced QA for linear accelerators, CT simulators, and auxiliary systems; cross-calibrate dosimetry equipment.
  • QA systems and documentation: Maintain enterprise QA databases, workflows, datasets, clinical documentation, departmental files, and required QA/patient-plan records.
  • Commissioning and technique development: Lead or support Radiation Dosimetry Core projects, equipment/software commissioning, and evaluation of new QA technologies.
  • Training and mentorship: Conduct staff training, follow-ups, audits, and small-group learning sessions; communicate project updates and technical guidance to multidisciplinary teams.
  • Professional development: Maintain continuing education and participate in professional workshops, institutional lectures, departmental meetings, and in-service training.

Key Qualifications

  • Master's degree in Medical Physics, Physics, or related physical science.
  • Physicist I track: clinical experience including training; board certification and New York State license / New Jersey registration eligibility acceptable.
  • Physicist II track: 3-5+ years of post-residency or post-training clinical experience; ABR or equivalent certification; New York State Medical Physicist license and New Jersey registration or eligibility.
  • Strong analytical, problem-solving, collaboration, communication, and technical documentation skills.
  • Ability to travel periodically to all MSK facilities as required.

Core Skills

  • Radiotherapy physics expertise with a focus on QA, dosimetry, linac and CT simulator QA systems, and clinical external beam operations.
  • Comfort working across multidisciplinary teams and translating technical information clearly.
  • Experience with clinical systems, documentation, databases, programming, and workflow improvement.

Additional Information

  • Reports to: Director of Radiation Dosimetry Core
  • Work hours: hybrid with 3-5 days onsite
  • Location: 1275 York Ave, New York, NY
  • Professional development: Workshops, conferences, new technology testing, institutional lectures, and departmental meetings
  • Pay range $169100 - $306700

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Pay Range: $186,000.00 - $306,700.00FSLA Status: Exempt

Closing:

At MSK, we believe in fair, competitive pay that reflects your job, experience, and skills.

MSK is an equal opportunity and affirmative action employer committed to diversity and inclusion in all aspects of recruiting and employment. All qualified individuals are encouraged to apply and will receive consideration without regard to race, color, gender, gender identity or expression, sexual orientation, national origin, age, religion, creed, disability, veteran status or any other factor which cannot lawfully be used as a basis for an employment decision.

Federal law requires employers to provide reasonable accommodation to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job or to perform your job. Examples of reasonable accommodation include making a change to the application process or work procedures, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment.