Position Summary: Reporting to a Field Service Manager, a Field Service Engineer will maintain technical responsibility over the Mevion Medical Systems Proton Therapy System. A Field Service Engineer will learn and become proficient in operating the Mevion Medical Systems Proton Therapy System (PTS) for various customer needs and related work functions. A Field Service Engineer will regularly interact with the customers' professional and technical staff to resolve all operational issues with Mevion products at customer sites.