We are seeking a highly skilled and detail-oriented Proposal Engineer with 4+ years of experience in preparing techno-commercial proposals within the water and wastewater treatment industry (STP, ETP, WTP, RO, ZLD, etc.) . The ideal candidate will be responsible for analyzing tender documents, preparing customized proposals, coordinating with internal departments, and ensuring timely and competitive submissions to clients. Role & responsibilit Study and analyze tender documents, RFQs, RFPs, and client specifications to prepare accurate and competitive proposals. Prepare and submit techno-commercial offers , including technical write-ups, equipment sizing, costing, and pricing. Work closely with design, estimation, pro curement, and sales teams to collect relevant data and prepare winning proposals. Ensure compliance with technical specifications and tender requirements. Prepare BOQs, costing sheets, technical datasheets, and compliance statements . Develop and maintain a database of vendors, suppliers, and cost references for accurate estimations. Participate in pre-bid meetings, client interactions, and clarifications as required. Ensure timely submission of proposals within given deadlines. Track submitted proposals and support the sales team during negotiations. Maintain records of proposals, awarded contracts, and client communications. Continuously update knowledge of industry standards, treatment technologies, and competitor offerings.