• Define product and service requirements based on customer input and Truck, Bus & Railway applications • Provide technical training to customers and internal stakeholders • Provide technical support for claims (quality incidents) and performance issues • Clarify technical questions and recommend improvements • Ensure proper documentation about product performance (data collection and analysis) • Support innovation by providing market/customer feedback and customer needs • Lead and support customer-specific projects in close collaboration with stakeholders • Apply product engineering tools and provide input for improvements • Collaborate closely with other Business Areas and Central Functions within the organization