Medical Physicist Assistant

One Physics LLC; Pennsylvania; On-site; USD 60,000 - 80,000; Full time

Job summary

One Physics LLC seeks a Therapy Medical Physicist Assistant to support QA, safety and planning in a radiation oncology setting. The role requires strong technical skills and collaboration with a multidisciplinary team to ensure patient safety and treatment accuracy.

The position offers exposure to Eclipse, ARIA, and Mosaiq software, along with ongoing professional development within a leading medical physics provider in Pennsylvania.

Qualifications

• Bachelor degree in Health Physics, Medical Physics, Physics, or Engineering or related field.
• CAMPEP-approved Master’s degree preferred.
• Foundational knowledge of radiation physics and safety best practices.
• Proficiency with QA tools, dosimeters, and treatment planning software.

Responsibilities

• Perform routine QA tests on linear accelerators and imaging systems.
• Conduct patient-specific QA including IMRT/VMAT dose verification.
• Assist with commissioning and acceptance testing of new technologies.
• Support calibration and maintenance to ensure system accuracy.
• Maintain records of radiation safety procedures and dosimetry.

Skills

QA testing

Radiation safety

Treatment planning

Data analysis

Communication

Education

B.S. in Health Physics

B.S. in Medical Physics

CAMPEP MS preferred

Tools

ARIA

Eclipse

Excel

Mosaiq

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Medical Physicist Assistant

Full Time Pennsylvania

7 days ago Requisition ID: 1210

Salary Range: $60,000.00 To $80,000.00 Annually

Job Description

One Physics is seeking a motivated and detail-oriented Therapy Medical Physicist Assistant to join our growing team.

One Physics is the leading provider of medical physics and related services and has been certified as a Great Place to Work for three consecutive years and recognized by Fortune as one of the Best Workplaces in Healthcare in 2022 and 2023. At One Physics, our employees enjoy the support, flexibility, and career development opportunities needed to succeed while contributing to best-in-class patient care and radiation safety services.

We are searching for a highly skilled, compassionate Therapy Medical Physicist Assistant to join our dedicated team of experts. One Physics physicists work with state-of-the-art equipment to provide a range of radiation oncology services to keep a physicist engaged and ensure development of a well-rounded set of skills and growth in the industry. Physicists are supported by a dynamic support team known for a focus on building partnerships and a passion for excellence.

This role will support efforts in DuBois, PA

About the Position:

The Medical Physicist Assistant plays an essential clinical support role in the cancer center and the broader hospital. Because the same team handles all the physics work for the hospitals, this position offers experience in both radiation oncology and the full range of medical radiation safety support. The ideal candidate will have a strong technical background and communication skills.

Key Responsibilities

Clinical Quality Assurance & Equipment Testing

• Perform routine daily, monthly, and annual quality assurance (QA) tests on linear accelerators, imaging systems, and other radiation therapy equipment to ensure optimal performance and patient safety
• Conduct patient-specific QA procedures, including IMRT/VMAT dose verification and phantom-based measurements
• Assist with the commissioning and acceptance testing of new treatment technologies and imaging systems
• Support ongoing calibration and maintenance processes to maintain system accuracy and reliability

Radiation Safety Support

• Support radiation safety work across the spectrum of medical uses, including external beam therapy, diagnostic imaging, procedural fluoroscopy, diagnostic and therapeutic uses of radioactive material.
• Assist with radiation safety audits, surveys, and exposure monitoring to ensure compliance with state, federal, and institutional guidelines
• Support implementation of safety protocols and participate in safety training efforts for clinical staff
• Help maintain accurate records of radiation safety procedures, inspections, and dosimetry monitoring

Treatment Planning Assistance

• Collaborate with medical physicists and dosimetrists in the data collection and validation of the Eclipse treatment planning system
• Support clinical staff in maintaining and updating beam models, commissioning data, and patient datasets
• Contribute to troubleshooting and optimization of treatment planning workflows under supervision

System Support & Data Management

• Assist in the maintenance, testing, and documentation of oncology software systems (Aria and Mosaiq)
• Develop or use analysis tools to monitor system performance and ensure clinical accuracy
• Help with the integration and verification of new software and technology updates

Clinical Development and Research Support

• Participate in clinical development and performance improvement initiatives
• Assist in research data collection, analysis, and project documentation under the guidance of senior physics staff
• Contribute to the implementation of new technologies, workflows, and techniques that enhance patient care

Qualifications

• Bachelor of Science (B.S.) degree in Health Physics, Medical Physics, Physics, Engineering, or a closely related field (Master’s degree from a CAMPEP approved program preferred)
• Foundational knowledge of radiation physics, radiation therapy, and radiation safety best practices
• Experience or familiarity with QA tools, survey meters, dosimeters, and treatment planning software
• Proficiency with technical software and data analysis tools (e.g., Excel, ARIA, Eclipse)
• Excellent attention to detail, organizational skills, and ability to follow clinical protocols
• Strong interpersonal and communication skills to work effectively in a multidisciplinary clinical environment
• Physical ability to handle QA equipment and navigate clinical settings

Final offer amounts are determined by multiple factors, including geographic location, as well as candidate experience, education level and expertise. If you have questions on compensation, please ask your recruiter. Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class.