When it comes to building a world-class team, our employees matter. That’s why people who come to CAS Clean-Air-Service AG tend to stay here.

CAS Clean-Air-Service AG, headquartered in Wattwil Founded 1989, is a member of Particle Measuring Systems* (Spectris PLC). CAS is the leading, full-service supplier of clean-room measurement systems in Switzerland following years of steady growth, with branch offices located in Austria and Germany. CAS's clean-room technology, monitoring and advisory service are represented across the board: in plastics and medical technology, medical procedures and pharmaceutical production. We offer an exceptional and rewarding work environment in a great place to live.  

We’re growing, and that means we’re looking to hire high-quality, reliable employees domestically and globally. Everyone at CAS has the opportunity to contribute to challenging projects that diversify our technologies and make a real difference for our customers.