We are looking for an expert who has rich experiences on KW level fiber coupled diode laser module optical design, process design and application. The candidate should have solid background in optical fundamental theory and knowledge. This position will report to R&D Director in Xi’an, China. We will provide competitive salary and benefits package in local. Position description 1. Lead the development of high-power (KW) fiber coupled module diode laser product for pumping, material processing, surface treatment application. Based on bar-based diode laser device, such as vertical stack with water cooling or single bar laser with conduction cooling. IR and blue wavelength fiber coupled product will be developed. 2. Responsible for optical design and optical assembly process design of fiber coupled products, and evaluate the feasibility, manufacturability, and reliability of the product design. 3. Identify and solve potential technical problems throughout the development process, guide the analysis and resolution of optical process problems, and ensure the process stability in volume production. 4. Organize the optical team to carry out general optical technology and process research and improve the team's product development capabilities. 5. Participate in the planning of fiber coupled product and technology roadmap, establish and optimize the product and process platform for beam shaping and fiber coupled product. Requirement 1. Education background: major in optics, mechanics, etc., master's degree or above. 2. In-depth research and rich experience in the technical route of high-power fiber coupled laser module product based on bar technology, Thermal management technology for high-power coupling products, high beam quality optical shaping technology, and Stray light elimination technology. 3. Solid professional knowledge and professionalism in science and engineering. 4. Think logically, think creatively, think proactively. 5. Good English capability in listening, speaking, reading, and writing, English can be used as work language. 6. Good communication and collaboration skills. Location Ireland is preferred，home office is acceptable, can travel up to 20% time to China to work with the project team in Xi’an.