A Day in Your Life at MKS: As a Principal Materials Scientist at MKS Inc., you will partner with Engineering, Product Management, Operations, Quality, and key customers to develop and advance innovative materials solutions that enable next-generation products, technologies, and continuous improvement of current products. 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.