Description The Senior Systems Physicist is part of the Product Engineering group, a multi-disciplinary team of radiotherapy and imaging use experts. This team works with the design engineers and outside clinicians to define, develop, and validate the clinical performance of new RefleXion biology-guided radiation therapy products. The Senior Systems Physicist takes a lead role in the design and development of the RefleXion radiotherapy system. This hands-on role based out of Hayward, requires deep technical understanding of physics, radiotherapy QA and commissioning and clinical workflow aspects applied to radiation therapy. The Senior Systems Physicist must understand medical device quality systems and design control, including specification, hazard analy