Medical Physicist

nGenium; Iowa (LA); On-site; USD 180,000 - 300,000; Full time

Job summary

nGenium is seeking a Therapeutic Radiation Oncology Physicist to oversee the acceptance testing and commissioning of CT simulators, Varian linear accelerators, treatment planning systems, and Record & Verify systems. You will manage beam calibration, CT density calibration, data validation, and implement a comprehensive QA/QC program.

The role includes weekly, monthly, and annual QA, supporting IMRT planning QC, reviewing dosimetry records, assisting with patient setup when needed, and providing

Qualifications

• ABR board-certified or eligible.
• Experience with Varian linacs.
• Strong commissioning and calibration expertise.

Responsibilities

• Oversee acceptance testing and commissioning of CT simulators and Varian linacs.
• Perform beam and CT density calibrations.
• Lead weekly/monthly/annual QA and support HDR/brachytherapy procedures.

Skills

Beam calibration

CT simulators

QA/QC program development

Regulatory compliance

Documentation and communication

Education

ABR board-certified preferred

Tools

Varian linear accelerators

Treatment Planning Systems

Record and Verify systems

Job description

Job Title: Therapeutic Radiation Oncology Physicist

Salary: $180,000 – $300,000 annually, dependent on experience, plus comprehensive benefits

About the Company:

This established radiation oncology program delivers advanced cancer treatment services within a collaborative clinical setting. The team is committed to providing high-quality, patient-centered care using modern technology and evidence-based practices. The department emphasizes safety, precision, and continuous improvement.

Role Overview:

The Therapeutic Medical Physicist will oversee acceptance testing and commissioning of CT simulators, Varian linear accelerators, treatment planning systems, and Record and Verify systems. Responsibilities include beam calibration, CT density calibration, system data validation, and implementation of a comprehensive QA/QC program. The physicist will perform weekly, monthly, and annual QA, support IMRT planning quality control, review patient dosimetry records, assist with patient setup when needed, and provide support for HDR and prostate brachytherapy procedures.

• Leadership Track: High-performing candidates have a direct runway into a Regional Manager position—overseeing operations across 2–4 regional clinics and leading/mentoring a dedicated team of clinical medical physicists.

Key Requirements:

• ABR board-certified preferred; other candidates also considered


• Experience with Varian linear accelerators and associated systems


• Strong expertise in commissioning, calibration, and radiation oncology QA programs


• Eligible to work full-time in Iowa

Ideal Candidate:

• Detail-oriented with a strong focus on patient safety and regulatory compliance


• Collaborative and effective in a multidisciplinary clinical team


• Proactive problem-solver with strong documentation and communication skills


• Comfortable supporting a dynamic and evolving oncology program