Main responsibilities: 1. Close work cooperation with R&D team. Technical support to new design projects from textile technology. 2. Responsible for the technological validation of new designed prototype machine or new technology parts on existing machines. 3. Self-handed planning and executions of in-house test and field test on customer site. 4. Analyze the customer trials and interpret the reached values in a useful technological manner. 5. Make test records in English. Work according Rieter standards (TIS = Technology Information System) Qualifications: 1.Bachelor or above in Textile related 2. In minimum 5 years related working experience. 3. Good knowledge of Blowroom and Card machines and technology. 4. Fluent in both written and spoken English