A Day in Your Life at MKS: As a Senior Optical Engineer at Spectra-Physics, Lasers Business Unit of MKS Inc, you will partner with Multi-disciplinary Internal Teams to contribute to the development of platform extensions and improvement of optical designs of free-space and fiber-based laser systems. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law.