Dosimetrist

About the role

Location: Nashville, TN

Facility: Ascension Saint Thomas West

Department: Radiation Oncology

Schedule: Full‑Time | Day Shift

Life at Ascension

Ascension is a leading nonprofit Catholic health system with a culture and associate experience grounded in service, growth, care and connection. We empower our 97,000+ associates to bring their skills and expertise every day to reimagining healthcare, together. Recognized as one of the Best 150+ Places to Work in Healthcare and a Military‑Friendly Gold Employer, you’ll find an inclusive and supportive environment where your contributions truly matter.

Benefits

• Comprehensive health coverage: medical, dental, vision, prescription coverage and HSA/FSA options
• Financial security & retirement: employer‑matched 403(b), planning and hardship resources, disability and life insurance
• Time to recharge: pro‑rated paid time off (PTO) and holidays
• Career growth: Ascension‑paid tuition (Vocare), reimbursement, ongoing professional development and online learning
• Emotional well‑being: Employee Assistance Program, counseling and peer support, spiritual care and stress management resources
• Family support: parental leave, adoption assistance and family benefits
• Other benefits: optional legal and pet insurance, transportation savings and more

How you’ll make an impact

• Design customized, precision radiation treatment plans under physician guidance to deliver lethal doses to target tumor volumes while safeguarding surrounding healthy tissue.
• Perform complex dose calculations and assist with advanced brachytherapy procedures to support precise, localized cancer therapies.
• Fabricate custom immobilization and beam‑modifying devices to guarantee accurate patient positioning and consistent treatment delivery every shift.
• Partner with medical physicists to perform quality‑assurance calibrations on radiation equipment and support ongoing clinical research projects.
• Enforce strict radiation safety protocols in accordance with national regulatory guidelines to protect patients, care teams, and yourself.

Minimum Requirements

• Licensure / Certification / Registration: Certified Medical Dosimetrist obtained within 6 months (180 days) of hire date or job transfer date.
• Education: High school diploma/GED with 2 years of experience, or Associate’s degree, or Technical degree.