Technical Service Engineer - Proposal Engineer

GF Industry and Infrastructure Flow Solutions, a division of GF, is the world's leading supplier of piping systems. We enable the safe and sustainable transport of fluids. Our business is driven by industry-leading sustainability levels, innovation through digital solutions and investment in a culture based on performance, learning and caring. If you're passionate about technology, sustainability, and global collaboration — you’ll feel right at home with us. The Proposal Engineer works closely with Sales and cross-functional teams to maximize project sales, with a strong focus on prefabricated solutions. Acting as a technical project manager, this role supports customers from initial engagement through solution design and production, coordinating with GF headquarters, global engineering teams, prefabrication workshops, and local partners. The role requires a proactive and customer-oriented mindset to deliver high-quality technical solutions aligned with market needs. Key Responsibilities Collaborate with Sales and relevant departments to support and maximize project sales, particularly for prefabricated solutions Act as technical project manager from initial customer contact through production and delivery Introduce GF Group products, including new and externally sourced products Prepare technical proposals, presentations, user manuals, and technical documentation Provide technical training to internal teams, customers, and partners; conduct seminars and workshops Visit key customers and provide technical consultation and solution support Identify, analyze, and resolve customer technical challenges accurately and efficiently Design solutions using 3D CAD tools in collaboration with the Global Engineering Service team Coordinate customized and processed product manufacturing with internal departments and partner companies Ensure quality management, including inspection methods and compliance with standards Drive continuous improvement of existing products based on customer feedback Support problem-solving activities including complaint handling in cooperation with Sales and HQ Prepare, translate, and manage technical documentation and application databases for Sales use Required Qualifications Bachelor’s degree in Mechanical Engineering or equivalent Proficiency in AutoCAD / 3D CAD tools Native-level Japanese proficiency Contact person: Yuki Konomi HR Manager Please submit your application via the ‘Apply’ button. The recruiter’s email is for enquiries only.