Per Diem Radiation Therapist-ELM-12380-006

Radiation Therapist

Under general supervision of the Lead Therapist, administers radiation therapy treatments according to the Radiation Oncologist's prescription under minimal supervision. Performs simulations and creates immobilization devices according to the guidelines set by the doctors and accurately places marks (tattoos) on the patients in order to reproduce the treatment set-up daily; keeps accurate daily records of treatments administered. Teaches radiation therapist students technical procedures, under supervision of Senior Radiation Therapist. May act as Lead Radiation Therapist.

Under supervision of Senior Radiation Therapist and/or Lead Radiation Therapist, accurately sets up patients for treatment and performs CT-simulation; administers radiation treatments; maintains accurate daily treatment records; performs treatment dose calculation using computer calculation tables provided by the Medical Physicist; ensures that calculations are checked by the Medical Physicist by the second day of treatment.

Checks the Radiation Oncologist's prescription to determine any mathematical or technical errors; performs safety checks on treatment machines and records data daily; verifies/localizes treatment area with portal imaging, submits portal images to be checked and approved by a Radiation Oncologist. Understands the function of the equipment and is able to use it to its potential. Understands the use of wedges and compensating filters and appreciates the misuse or omission during treatment. Understands all procedures and practices before proceeding with patient set-up. Contacts appropriate staff if not comfortable or unsure of proper procedure.

Detects treatment unit malfunction and reports malfunction to the Sr. Radiation Safety Monitor/Therapist and/or Medical Physicist. Explains treatment procedures to patients and answers any questions. Reassures patients in order to alleviate fear and apprehension. Maintains visual and audible communications with patient during treatment; observes the clinical progress of the patient undergoing radiation therapy; recognizes the first signs of any complications and reports findings to the Radiation Oncologist. Monitors the patient's physical condition to determine if any adverse side effects.

Keeps patients informed of any delays or excessive waiting time in treatment.

Maintains an organized treatment room and stock rooms with supplies; assists in scheduling patient appointments and contacts secretarial staff; attends chart rounds, displays portal images and participates in discussion of patient treatments.

Observes and reports changes in patient's condition to the Radiation Oncologist or radiation therapy nurse. Records treatment administered in patients' charts and records/verifies in all applicable systems.

Performs chart check and report any discrepancy.

Performs daily QA and safety check as required by the regulations.

Maintains out of service logs on the treatment equipment. Reports treatment unit malfunctions and takes the initiative in corrective action.

Maintains equipment in safe and good working condition. Reports defects or deficiencies for adjustment and repair to the chief technologist and/or medical physicist.

Graduate of an AMA approved 2-year hospital-based certificate program or 2-year Associate's Degree program, or 4-year Baccalaureate Degree program in Radiation Therapy.

ARRT registered or eligible for registration in Radiation Therapy with requirement to become Registered in 8 months or 2 exam sittings, whichever comes first.

NYS permanent or temporary license.

Basic knowledge of computer.

Very good interpersonal skills required for effective job performance; good written and verbal communication skills mandatory. Must interact effectively with hospital clinicians/management staff/external agencies/line technical staff.

Strength through Unity and Inclusion

The Mount Sinai Health System is committed to fostering an environment where everyone can contribute to excellence. We share a common dedication to delivering outstanding patient care. When you join us, you become part of Mount Sinai's unparalleled legacy of achievement, education, and innovation as we work together to transform healthcare. We encourage all team members to actively participate in creating a culture that ensures fair access to opportunities, promotes inclusive practices, and supports the success of every individual.

At Mount Sinai, our leaders are committed to fostering a workplace where all employees feel valued, respected, and empowered to grow. We strive to create an environment where collaboration, fairness, and continuous learning drive positive change, improving the well-being of our staff, patients, and organization. Our leaders are expected to challenge outdated practices, promote a culture of respect, and work toward meaningful improvements that enhance patient care and workplace experiences. We are dedicated to building a supportive and welcoming environment where everyone has the opportunity to thrive and advance professionally. Explore this opportunity and be part of the next chapter in our history.

About the Mount Sinai Health System:

Mount Sinai Health System is one of the largest academic medical systems in the New York metro area, with more than 48,000 employees working across eight hospitals, more than 400 outpatient practices, more than 300 labs, a school of nursing, and a leading school of medicine and graduate education. Mount Sinai advances health for all people, everywhere, by taking on the most complex health care challenges of our time discovering and applying new scientific learning and knowledge; developing safer, more effective treatments; educating the next generation of medical leaders and innovators; and supporting local communities by delivering high-quality care to all who need it. Through the integration of its hospitals, labs, and schools, Mount Sinai offers comprehensive health care solutions from birth through geriatrics, leveraging innovative approaches such as artificial intelligence and informatics while keeping patients' medical and emotional needs at the center of all treatment. The Health System includes more than 9,000 primary and specialty care physicians; 13 joint-venture outpatient surgery centers throughout the five boroughs of New York City, Westchester, Long Island, and Florida; and more than 30 affiliated community health centers. We are consistently ranked by U.S. News & World Report's Best Hospitals, receiving high "Honor Roll" status, and are highly ranked: No. 1 in Geriatrics, top 5 in Cardiology/Heart Surgery, and top 20 in Diabetes/Endocrinology, Gastroenterology/GI Surgery, Neurology/Neurosurgery, Orthopedics, Pulmonology/Lung Surgery, Rehabilitation, and Urology. New York Eye and Ear Infirmary of Mount Sinai is ranked No. 12 in Ophthalmology. U.S. News & World Report's "Best Children's Hospitals" ranks Mount Sinai Kravis Children's Hospital among the country's best in several pediatric specialties. The Icahn School of Medicine at Mount Sinai is ranked No. 11 nationwide in National Institutes of Health funding and in the 99th percentile in research dollars per investigator according to the Association of American Medical Colleges. Newsweek's "The World's Best Smart Hospitals" ranks The Mount Sinai Hospital as No. 1 in New York and in the top five globally, and Mount Sinai Morningside in the top 20 globally.

Equal Opportunity Employer

The Mount Sinai Health System is an equal opportunity employer, complying with all applicable federal civil rights laws. We do not discriminate, exclude, or treat individuals differently based on race, color, national origin, age, religion, disability, sex, sexual orientation, gender, veteran status, or any other characteristic protected by law. We are deeply committed to fostering an environment where all faculty, staff, students, trainees, patients, visitors, and the communities we serve feel respected and supported. Our goal is to create a healthcare and learning institution that actively works to remove barriers, address challenges, and promote fairness in all aspects of our organization.

Job Info

• Job Identification 3034311
• Job Category Technician
• Posting Date 01/21/2026, 06:44 PM
• Job Schedule Part time
• Job Shift Day
• Locations 79-01 Broadway, Elmhurst, NY, 11373, US