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Radiation Therapist - Full-Time

Mercyhealth · Janesville, WI · $38.80–$60.14 an hour · Full time

Posted Sep 29, 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 the machine went down and you had a full schedule.

What they are checking: Whether they can keep patients informed and help reschedule calmly.

Tell me about a time you questioned something in a treatment plan.

What they are checking: Whether they will speak up about concerns instead of treating a plan they are unsure of.

What would you do

Your daily imaging shows the patient's setup is off from the plan. What do you do?

What they are checking: Whether they correct setup within tolerance and get the physician or physicist when it is outside limits.

A patient tells you their skin is very sore and they want to skip treatment. What do you do?

What they are checking: Whether they assess side effects, report them and support the patient without making medical decisions.

How do you help a nervous patient feel at ease on their first day of treatment?

What they are checking: Whether they can explain treatment simply and build trust with patients facing cancer.

About the work

Walk me through how you verify a patient's identity and treatment plan before every treatment.

What they are checking: Whether they use patient identifiers and timeouts every time, since errors can cause serious harm.

Walk me through a CT simulation for a patient getting treatment to the pelvis.

What they are checking: Whether they can run a simulation accurately and with little supervision, as the posting expects.

How do you design and fabricate blocks, and how do you check them?

What they are checking: Whether they can make blocks accurately, a skill the posting names directly.

What do you check when reviewing treatment calculations?

What they are checking: Whether they understand calculations well enough to catch an error before treatment.

How do you practice radiation safety for yourself and others?

What they are checking: Whether they follow safety procedures as habits, not just rules.

How do you keep charts accurate and up to date during a busy day?

What they are checking: Whether they document every treatment correctly, which matters for safety and dose tracking.

Practice this interview out loud.

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The full job description

As published by Mercyhealth.

OVERVIEW The Radiation Therapist provides professional duties involved with a variety of technical procedures prescribed by the Radiation Oncologist for the safe delivery of radiation therapy treatments and care to patients. SCHEDULE : 32-hours per week SHIFT : Days ESSENTIAL DUTIES AND RESPONSIBILITIES • Possesses core knowledge of required Radiation Therapist functions, including scheduling, simulation, patient set-up, and treatment. • Demonstrates a functional knowledge of all major components of department equipment. • Delivers external beam treatments in an accurate and timely fashion with a high degree of accuracy. • Assesses and addresses patient's needs while under treatment. • Practices appropriate Radiation Safety procedures. • Accurate and timely completion of patient charts according to established standards and procedures. • Demonstrates knowledge of standard and advanced treatment calculations and treatment plans. • Designs and fabricates blocks accurately and efficiently. • Performs Simulation with a high degree of accuracy in a timely fashion with little or no supervision. • Utilizes appropriate scripting, barriers, and patient identifiers as required per position. EDUCATION AND/OR EXPERIENCE • Graduate of an accredited radiation therapy program Experience as a radiation therapist preferred CERTIFICATION/LICENSURE • ARRT registration in radiation therapy required (or eligible upon hire and attain within one year) • Approved CPR or BLS certification required within 90 days OTHER SKILLS AND ABILITIES • Excellent interpersonal and communication skills. • Good interpretive/analytical skills • Strong organizational skills • Ability to perform multiple functions with minimal direction, • independent of supervision • Complex problem solving LEVEL OF SUPERVISION Performs routine duties independent of supervision, but consults with the Radiation Oncologist, Medical Physicist, Medical Dosimetrist and Radiation Oncology Supervisor/Manager/Director as required. SUPERVISES This job has no supervisory responsibilities. PAY RANGE: $38.80 - $60.14 Mercyhealth is an Equal Opportunity Employer . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identify, national origin, disability, or protected veteran status. Mercyhealth offers competitive pay and a comprehensive benefits package including: • Medical, Dental, Vision • Life & Disability Insurance • FSA/HSA Options • Generous, accruing paid time off • Paid Parental and caregiver leave • Career advancement and educational opportunities • Tuition and certification reimbursement • Certification Reimbursement • Well-being Programs • Employee Discounts • On-Demand Pay • Financial Education • Annual recognition/awards events • Partner appreciation days • Family entertainment/attractions discount • Community service/improvement opportunities Click here for more details regarding Mercyhealth Careers Benefit Information. At Mercyhealth, we don’t simply hire people, we empower employee-partners who are passionate about making lives better. As an integrated health system, we deliver exceptional, coordinated across seven hospitals, 85 primary and specialty clinics, and a team of over 7,500 professionals serving northern Illinois and southern Wisconsin. Mercyhealth has been nationally recognized for our commitment to our people and culture, including: • #1 in the nation on AARP's Best Employers for Workers Over 50 • One of Working Mother magazine's 100 Best Companies for Working Mothers • A Top 50 Company and Top 10 Nonprofit for Executive Women

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