Medical Physicist Assistant

One Physics LLC; Du Bois (NE); On-site; USD 70,000 - 95,000; Full time

Job summary

One Physics LLC in the United States is seeking a Therapy Medical Physicist Assistant to join our cancer care team. This role supports clinical physics functions across radiation oncology, QA, safety, and treatment planning under supervision.

The candidate will contribute to QA testing of linear accelerators and imaging systems, assist with Eclipse-based planning data, and participate in safety audits, dosimetry monitoring, and data management to ensure patient care quality and compliance.

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

Responsibilities

• 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
• 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
• 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
• 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
• 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

Skills

Attention to detail

Interpersonal communication

Data analysis

Education

Bachelor of Science in Health Physics/Medical Physics/Physics/Engineering

Master's degree CAMPEP preferred

Tools

Excel

ARIA

Eclipse

Job description

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.

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