Certified Medical Dosimetrist

A Brief Overview
The Dosimetrist I is an entry-level dosimetry professional responsible for developing treatment plans under the
supervision and guidance of senior dosimetrists and medical physicists. This role focuses on applying
fundamental knowledge of anatomy, radiation physics, and oncology principles to create accurate, safe, and
effective treatment plans using established protocols. The Dosimetrist I assists in contouring, dose calculation,
and plan verification, while learning to operate and support the treatment planning and record-and-verify
systems. The individual works collaboratively with physicians, physicists, and therapists to support efficient
patient care. This position emphasizes developing technical proficiency, gaining exposure to complex cases, and
demonstrating sound judgment in clinical decision-making under direct oversight. The Dosimetrist I position
requires completion of a probationary training period, typically 36 months as determined by evaluations from
the Director of Physics & Dosimetry, prior to transitioning to a fully remote model. Continued remote work is
contingent upon demonstrated ability to perform all assigned duties effectively and independently. The individual
must commit to a fixed schedule within standard clinic hours (7 am to 6 pm) and remain readily available during
those hours via the department's preferred communication platform. While the role is designed to function
remotely, the dosimetrist must be able to travel to a UH Seidman Cancer Center Radiation Oncology location
within a reasonable time frame in the event of a network outage, system downtime, or other urgent on-site
needs.

What You Will Do
Design treatment plans (3D-CRT, IMRT, VMAT, SBRT) to deliver prescribed radiation doses with optimal
beam geometry.
Contour normal tissues and dose-limiting structures using one or more imaging modalities.
Perform secondary dose calculations to confirm treatment accuracy.
Perform image fusion (e.g. MR Brain fusions) across multiple datasets per physician/physicist guidance.
Create and transfer reference images and localization marks for patient setup verification.
Transfer and process images between PACS, treatment planning systems, and other image platforms.
Document all pertinent treatment planning information in the record-and-verify system and electronic
medical record (EMR), following departmental standards.
Participate as part of the general dosimetry planning pool.
Contribute to the development of departmental dosimetry policies and procedures under the guidance of
clinical operations leadership.
Attend required dosimetry meetings, teaching sessions, and departmental seminars.

Additional Responsibilities
Performs other duties as assigned.
Complies with all policies and standards.
For specific duties and responsibilities, refer to documentation provided by the department during
orientation.
Must abide by all requirements to safely and securely maintain Protected Health Information (PHI) for
our patients. Annual training, the UH Code of Conduct and UH policies and procedures are in place to
address appropriate use of PHI in the workplace.

Education Qualifications
Associate's Degree Graduate of an accredited hospital or University affiliated formal dosimetry program
(Required) or
Bachelor's Degree Graduate of an accredited hospital or University affiliated formal dosimetry program
(Preferred)

Experience Qualifications
Experience with treatment planning systems (RayStation preferred) and familiarity with multiple
modalities including 3D-CRT, IMRT, VMAT, and SBRT. (Preferred) and
Experience with linear accelerator platforms, including Varian and Elekta systems. (Required) and
Proficiency with secondary dose calculation software such as RadCalc. (Required) and
Experience using record-and-verify systems such as Mosaiq. (Required) and
Familiarity with image registration and contouring software (e.g., MIM). (Required) and
Experience working within electronic medical record (EMR) systems. (Required) and
Competence in using computers, remote access tools, and standard office software to support clinical
operations. (Required) 

Skills and Abilities
In-depth knowledge of radiation therapy principles, methods, and procedures, including treatment
planning techniques for 2D, 3D-CRT, IMRT, VMAT, and SBRT. (Required proficiency)
Knowledge of linear accelerators, simulators, CT scanners, and their role in treatment planning and
delivery. (Required proficiency)
Strong understanding of data transfer processes and verification of treatment information in record-andverify
systems. (Required proficiency)
Familiarity with imaging modalities and image fusion techniques to support accurate contouring and plan
development. (Required proficiency)
Strong organizational and time management skills to prioritize tasks in a complex clinical environment.
(Required proficiency)
Effective written and oral communication skills to collaborate with physicians, physicists, therapists, and
other members of the care team. (Required proficiency)
Ability to work independently and as part of a multidisciplinary team. (Required proficiency)
Technical proficiency with computers, remote access platforms, and standard office software to support
both clinical and remote workflows. (Required proficiency)
Strong problem-solving and critical thinking skills to troubleshoot planning and workflow challenges.
(Required proficiency)
Commitment to maintaining accuracy, attention to detail, and adherence to patient safety and quality
standards. (Required proficiency)
Licenses and Certifications
Certified Medical Dosimetrist (CMD) (Required Upon Hire)

Travel Requirements

• 10%