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:

Please submit your application via the ‘Apply’ button. The recruiter’s email is for enquiries only.