Generate competitive technical-commercial proposals based on customer requirements, considering the applicable needs and specifications for each request. This role involves close communication and coordination with OSEs (Outside Sales Engineers), product engineering teams, and the hydraulic design team. It includes generating and validating preliminary calculations and parameters for conceptual engineering. The position interacts and negotiates with suppliers of key components of the pumping system (motors, seals, VFDs, couplings, etc.). It also involves validating terms and conditions with manufacturing and/or legal teams to ensure compliance and avoid penalties, fines, or hidden defects.