Mercy is seeking a skilled Dosimetrist to join our Healthcare & Medical Services team. In this role, you will collaborate closely with radiation oncologists, medical physicists, and therapists to design accurate, safe, and effective radiation treatment plans. You will calculate dose distributions, verify plans, and support quality assurance to ensure the highest standards of patient safety and care. At Mercy, you'll work in a compassionate, diverse, and innovative environment with access to continuous learning, professional growth, and the opportunity to impact patient lives across the Midwest. Responsibilities Collaborate with radiation oncologists and medical physicists to design individualized radiation treatment plans for cancer patients Generate accurate 3 D conformal, IMRT, VMAT, and SBRT treatment plans using advanced treatment planning software Fuse and interpret CT, MRI, and PET imaging to accurately contour target volumes and organs at risk Calculate, evaluate, and optimize radiation dose distributions to achieve prescribed clinical objectives Participate in brachytherapy planning, including source loading and dose calculations, as appropriate to disease site and modality Ensure all treatment plans comply with departmental protocols, radiation safety standards, and regulatory requirements Work closely with radiation therapists to verify plan parameters, support simulation, and troubleshoot treatment delivery issues Assist medical physicists with plan-related quality assurance, chart checks, and documentation Contribute to process improvement, standardization of planning protocols, and implementation of new technologies within the radiation oncology department Educate and support clinical staff, students, and new team members on dosimetry workflows, planning techniques, and safety practices Maintain accurate records and documentation within electronic medical record and oncology information systems Uphold Mercy's values of compassion, respect, and collaboration in all patient-centered and team interactions Required Skills Treatment planning systems (e.g., Eclipse, Ray Station, Monaco) Radiation dose calculation and optimization CT, MRI, and PET image fusion and contouring3 D conformal, IMRT, VMAT, and SBRT planning Brachytherapy planning and dose calculations Understanding of radiation physics and radiobiology DICOM and PACS familiarity Quality assurance for treatment plans and documentation Anatomy relevant to radiation oncology Radiation safety principles and regulatory compliance EMR and oncology information systems Data analysis and plan evaluation using DVH and dose constraints Basic scripting or automation within planning systems (preferred)