The Senior Mechanical Design Engineer, based in Horsham, PA, will be responsible for the mechanical design and development of complex wafer processing equipment involving wet processing technologies used in the manufacturing of advanced semiconductors, LEDs, displays, photonics, VCSELs, power electronics, compound semiconductors, hard disk drives, MEMS and wireless chips. This is a key member of the R&D and Engineered to Order (ETO) team. The engineer will work closely with engineering leadership, cross functional engineering team members, and manufacturing operations. This role involves overall system design, automation/robotics, gas and fluid delivery, as well as many other engineering and design areas.