Key Responsibilities: 1. 3D design and 2D drawings of mechanical components, including vacuum related and gas distribution system. 2. Study and analyze patents for innovative design. 3. Production of BOM and preparation of technical documents. 4. Communicate with internal groups and suppliers, including orders, shipments, technical, quality and test spec requirement, etc. 5. Take part in assembly installation and testing. Key Requirement: 1) Graduate student with mechanical engineering background. 2) Have at least one-year experience in one of the CAD softwares, such as SolidWorks , Pro-E, UG, etc. 3) Strong desire to learn and good team work. 4) Good written and oral communication in English. 5) Having vacuum design experience is a plus.