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Radiation Therapist - Cancer Center - PRN

HSHS · O'Fallon, IL · $34.21–$51.31 an hour · Part time

Posted Sep 16, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you disagreed with a plan or setup and raised it with a physicist or physician.

What they are checking: Whether they are willing to question others when something seems wrong.

Tell me about caring for a patient who was very ill or near the end of life during treatment.

What they are checking: Whether they can offer dignity and comfort along with technical care.

What would you do

During treatment, you see a patient move on the monitor. What do you do?

What they are checking: Whether they stop the beam immediately and re-verify before continuing.

How do you explain skin care and side effects to a patient during their treatment course?

What they are checking: Whether they give clear, practical guidance patients can follow at home.

The PRN shift may vary with patient volume. How do you handle a day that runs long?

What they are checking: Whether they can stay accurate and patient-focused when the schedule changes.

About the work

Walk me through how you prepare the treatment room and patient on the linear accelerator.

What they are checking: Whether they have a safe, consistent routine that protects patients from setup errors.

What immobilization devices have you used, and how do you choose the right one?

What they are checking: Whether they understand how immobilization supports accurate, repeatable treatment.

How do you confirm you have the right patient, the right plan, and the right site every day?

What they are checking: Whether they never skip identification and time-out steps, even with familiar patients.

What are your daily machine quality checks, and what would make you stop treating?

What they are checking: Whether they understand equipment QA and will not treat on a machine that fails checks.

How long have you worked in radiation therapy, and on which treatment planning or record systems?

What they are checking: Whether they meet the preferred one year of experience and can learn the center's systems quickly.

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The full job description

As published by HSHS.

Pay Range: $34.21 - $51.31 A successful candidate's actual pay rate will be based on several factors including relevant experience, skills, training, certifications and education. Responsible for the simulation and administration of radiation therapy by using a CT scanner and linear accelerator while following the prescription of a radiation oncologist. Position Specifics: o Department: Radiation/Oncology o Core Function: Rehab/Therapy/Sleep o Schedule: PRN - 8a-430pm is standard shift but by vary due to pt. volume, no weekend, call or holiday responsibilities o Facility: O'Fallon Cancer Center o Location: O’Fallon, IL o Compensation aligned with your experience Education Qualifications • Associates in Radiation Therapy or graduate of an accredited Radiation Therapy program is required. • Bachelor of Science in Radiation Therapy is preferred. • Associates Degree required for those graduating from Radiation Therapy program after 12/31/14. Experience Qualifications • One year experience in Radiation Therapy is preferred. Certifications, Licenses and Registrations • IEMA-Radiation Therapy (Illinois Emergency Management Association) is required in Illinois. • Basic Life Support (BLS) is required within 30 days of hire. • ARRT registered in radiation therapy or successful completion of a Radiation Therapy program and eligible to take the certification exam in Radiation Therapy as defined by the American Registration of Radiologic Technologist (ARRT). Colleague must complete and pass a certification and registration exam in accordance with the eligibility requirements of ARRT within one year of hire. Job Description Scheduled Weekly Hours: 40 Throughout communities in Illinois and Wisconsin, 13 hospitals, numerous community-based health centers and clinics, our 13,000+ colleagues have built a culture based on our solid core values of respect, care, competence, and joy. These are the ideals we believe in, work by, and live each day. Built upon more than 145 years of service to the communities we serve, we now look to the future and our place in it as a healthcare system that strives to continually improve processes, procedures, and outcomes with the latest and most advanced technologies and treatments. Regardless of how far our passion for excellence carries us, our focus will always remain on the most important person in our entire organization: The patient. Benefits: HSHS provides a benefits package designed to support the overall well-being of our colleagues including their physical, emotional, financial, spiritual, and work health. Colleagues budgeted to work at least 32 hours per pay period are eligible for HSHS benefits. • Comprehensive and affordable health coverage includes medical, prescription, dental and vision coverage for full-time and part-time colleagues. • Paid Time Off (PTO) combines vacation, sick, and personal days into one balance to allow you the flexibility to use your time off as you need. • Retirement benefits including HSHS contributions. • Education Assistance benefits include up to $5,250 of educational assistance each calendar year and tuition discounts to select colleges with no waiting period. • Adoption Assistance provides financial support up to $7,500 for colleagues growing their families through adoption to reimburse application and legal fees, transportation, and more! • Other benefits include: Wellness program with incentives, employer-paid life insurance and short-term and long-term disability coverage, flexible spending accounts, employee assistance program, ID theft coverage, colleague rewards and recognition program, discount program, and more! Benefits HSHS and affiliates is an Equal Opportunity Employer (EOE). HSHS is proud to be an equal opportunity workplace dedicated to pursuing and hiring a diverse workforce. Notice Regarding Potential Use of Artificial Intelligence in the Hiring Process Hospital Sisters may use automated tools, including artificial intelligence or machine-learning technologies, to assist with certain administrative aspects of the recruitment process. These tools may help our recruiting team organize applications, search for resumes, identify qualifications reflected in application materials, and facilitate communications or scheduling with applicants. Information used by these tools may include materials you provide during the application process, such as your resume, work history, education, qualifications, and responses to application questions. These tools are used only to support our recruiting process. Hiring decisions are made by HSHS personnel, and automated tools do not make employment decisions on behalf of HSHS. Applicants who have questions about this notice or who require a reasonable accommodation or alternative evaluation method may contact HSHS Human Resources at Contact@hshs.org

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