Senior Medical Physicist

Job Requisition #: JR65693

End Date: 12/22/2022

Location: Newark, Delaware

Position Type: Clinical (non-nursing), Technician (Clinical)

Shift: Day Shift, No Rotation

Apply Now

ChristianaCare is searching for a Senior Medical Physicist to provide high quality medical physics service to patients requiring radiation therapy. In addition, you will apply expertise in physics, radiotherapy instrumentation, computer applications and radiotherapy clinical fundamentals to maintain the precision standards of equipment used to plan and administer radiation treatment to cancer patients.

The Senior Medical Physicist assures compliance with existing State, Federal, NRC and JCAHO regulations pertaining to the use of radiation within the department; and interacts with physician/radiotherapists to develop new treatment methods and with treatment planning staff as a consultant for current activities and new procedures development.

Duties include:

  • Maintains the standardization and calibration of therapy equipment in a manner suitable for accurate radiation dose delivery.

  • Reviews and critiques external beam treatment plans, the use of beam modifiers and immobilization techniques for patients receiving photon and electron radiation therapy.

  • Develops, implements and maintains records of safe physical use of therapy equipment.

  • Designs, in cooperation with clinicians, the routine clinical procedures for the application of the equipment.

  • Directs the determination of radiation dose distribution in patients undergoing treatment (i.e., computer treatment planning or direct radiation dosimetric measurement).

  • Evaluates radiation therapy purchases to devise and implement new treatment methods and devices.

  • Develops specifications, selection recommendations, and acceptance testing of new equipment.

  • Develops instrumentation, assists in data acquisition and analysis and other activities related to clinical physics research projects.

  • Directs the design and construction of patient treatment aids of special devices (blocks, filters, molds, radio-isotope applications, etc.).

  • Directs the radiation safety program in the therapy department, including maintenance of radio-isotope inventories, and records of isotope usage for patient brachytherapy.

  • Checks patient charts; performs therapy machine calibration.

  • Calibrates and monitors in a timely manner performance of linear accelerators, orthovoltage unit and radiotherapy simulator.

  • Keeps records of therapy machine maintenance, repair, and upgrade.

  • Maintains inventory log of all radiation sources used in brachytherapy. Performs periodic wipe testing of sources.

  • Stays abreast of research and technological developments of new techniques, physical methods and equipment for improved therapeutic use of radiation.

  • Provides education and training in medical physics for physicians, nurses and therapists.

  • Participates in equipment planning, program planning, staff review and budget preparation.

  • Assists in maintaining proper records necessary for JCAHO, NRC, or other regulatory agencies.

  • Reviews department policies and procedures.

  • Develops, implements and reviews quality control programs for patient dosimetry.

  • Develops, maintain and update of treatment planning software and radiation data.


M.S. in Medical Physics required, Ph.D. preferred.

Four years of related medical physics experience.

An equivalent combination of education and experience may be substituted, but Masters degree required.

Special requirements:

Board Certification by the American Board of Radiology and Therapeutic Radiological Physics, Diagnostic Radiological Physics and Medical Nuclear Physics is preferred with a minimum of Board Certification in Therapeutic Radiological Physics and Board eligibility in other areas.

About The Helen F. Graham Cancer Center and Research Institute:

The HFGCCRI, a National Cancer Institute Community Oncology Research Program, is part of ChristianaCare, one of the country's largest health care systems, with 52,339 admissions, 37,634 surgeries, and 195,998 emergency department visits. With more than 248,000 patient visits, The Graham Cancer Center is recognized as a national model for multidisciplinary cancer care and a top enroller in U.S. clinical research trials (29% accrual rate).

Annually there are 3,266 newly diagnosed cancer patients. Its Cawley Center for Translational Cancer Research, Tissue Procurement Center, Gene Editing Institute and Statewide High-Risk Family Cancer Registry with eight full time genetic counselors, and collaborations with world- renowned scientists at The Wistar Institute in Philadelphia, are all opening new avenues to more quickly translate cancer science into cancer medicine! The 240,000 sq. foot outpatient cancer center has 12 multidisciplinary disease site centers allowing patients to see three disciplines of surgical, medical and radiation oncology, including subspecialists and support service teams in one visit.

About ChristianaCare:

ChristianaCare is one of the country's most dynamic health systems, centered on improving health outcomes, making high-quality care more accessible and lowering health care costs. ChristianaCare includes an extensive network of outpatient services, home health care, medical aid units, two hospitals (1,300 beds), a Level I trauma center and a Level III neonatal intensive care unit, a comprehensive stroke center and regional centers of excellence in heart and vascular care, cancer care and women's health. We rank 21st in the nation for hospital admissions and 6th for admission of stroke patients.

Benefits of living in the Delaware Valley:

  • You have your choice or housing options in DE, PA, NJ or MD and enjoy reasonable commutes.
  • Connected by Amtrak and I95, this region is a hub for excellent restaurants, entertainment and sporting venues, cultural events and some of the nation's best colleges and universities.
  • Within 1-3 hours from four international airports.
  • Easy drives or a short train ride to Washington, DC, Philadelphia and New York City.
  • Two hours from beautiful beaches in Delaware, Maryland and New Jersey and popular skiing resorts in the Pocono Mountains.
  • Reasonable cost of living and no DE state sales tax.

EEO Statement: Christiana Care Health System is an equal opportunity employer, firmly committed to prohibiting discrimination, whose staff is reflective of its community, and considers qualified applicants for open positions without regard to race, color, sex, religion, national origin, sexual orientation, genetic information, gender identity or expression, age, veteran status, disability, pregnancy, citizenship status, or any other characteristic protected under applicable federal, state, or local law.

UPDATE: ChristianaCare is committed to prioritizing the health and safety of our patients and caregivers. As we continue to meet the needs of our caregivers and our community through the COVID-19 pandemic, our commitment to health and safety requires that we take new steps to ensure a safe environment for medical care for our patients and a workplace that avoids preventable harm for our caregivers. For this reason, vaccination for COVID-19 is required for all caregivers at ChristianaCare and is considered a safety standard that is job-related and consistent with business necessity for all caregivers.

Why do WE offer careers full of possibilities?

For the Love of Health.

Inclusion & Diversity

At ChristianaCare, we’re committed to treating everyone with dignity and respect. We believe in a safe, inclusive work environment that fosters collaboration between caregivers from all walks of life. We know that each unique viewpoint is vital in delivering high-quality, safe patient care to everyone who walks through our doors. Our policies, benefits, hiring practices, employee resource groups, and corporate citizenship demonstrate our commitment to inclusion and diversity throughout our system.

Why do we embrace inclusion and diversity? For the Love of Health.

Our Values

We serve together in Love and Excellence. Our unique values, Love and Excellence are bold and powerful, and they are the reason why working for ChristianaCare is special. The behaviors associated with our values guide how caregivers interact with everyone they work with and make for an exceptional work experience. We believe that when you lead with Love, Excellence is inevitable.


ChristianaCare’s comprehensive total rewards package is one of the most competitive in the region. We are proud to offer excellent benefits that reflect the organization’s commitment to being exceptional today and even better tomorrow.

At ChristianaCare, we provide access to high-quality and affordable benefits designed to meet our caregivers where they are. You can tailor your benefits to meet your needs now and adjust them as your priorities change.

Take advantage of ChristianaCare’s wide-ranging benefit offerings from supporting optimal health through medical, prescription, dental and vision coverage to valuable wellness and work/life programs, which include paid parental leave, coverage for infertility and assisted reproductive technologies, an employer-funded short-term disability program, and more.

Delaware Photo
Our Region

A Great Place To Live

Our region offers a diversity of cultures, lifestyles, sports and entertainment events, housing options and educational opportunities. Located between Philadelphia and Washington, D.C., our locations provide easy access to two international airports, employment opportunities in a tri-state area, and proximity to some of the nation's top universities and colleges, as well as beaches in MD, DE and NJ!

Why Delaware? Why Maryland?

We Serve Together

For the Love of Health

Apply Now