We are seeking an experienced Proposal Manager to lead the preparation and submission of competitive water treatment project proposals, with a strong focus on the oil & gas, marine, offshore, industrial, hotel, and resort sectors. The role combines technical, commercial, and leadership responsibilities, including managing a team of proposal engineers, reviewing technical solutions, optimizing costs, coordinating stakeholders, supporting client discussions, and contributing to business growth. Key responsibilities Lead the entire proposal process from RFQ/RFP review through submission and handover Manage proposals for marine related equipment Ensure proposals meet client requirements, are commercially competitive, and are submitted on time Review specifications, scope of work, schedules, and commercial terms Provide technical guidance to proposal engineers and review process design, equipment selection, and technical compliance Drive value engineering and cost optimization initiatives and review costing to ensure accuracy, profitability, and risk management Participate in client clarifications and negotiations on technical and commercial matters Coordinate with internal teams including Engineering Procurement, QA/QC, Project Management, and Finance Lead and mentor a team of approximately 6–8 proposal engineers Develop team capabilities in proposal preparation, technical review, costing, and client communication Promote a culture of accountability, collaboration, and continuous improvement Support business development activities by identifying new applications and market opportunities Provide technical-commercial input for budgetary proposals, feasibility studies, and pre-qualification submissions Contribute market intelligence and customer insights to support company growth About you Bachelor's Degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering, Process Engineering, or a related discipline Minimum 15 years of relevant experience in marine industry. Proven experience in proposal management, technical review, costing, vendor management, and client negotiations Prior experience in oil & gas, EPC, offshore, marine, FPSO, or shipyard projects is highly preferred Experience leading and developing proposal engineering teams Strong communication and presentation skills Ability to manage multiple bids under tight deadlines