Account Management & Business Development Develop and grow business across assigned markets in Southeast Asia. Build strong relationships with existing customers while actively identifying and developing new business opportunities. Manage the full sales cycle, from prospecting and understanding customer requirements through proposal development, negotiation and closing. Deliver revenue, margin and account growth objectives. Develop relationships with industrial end users, OEMs, EPCs, system integrators, distributors and other channel partners. Work closely with Ecolab/Nalco teams and existing distribution channels to develop new opportunities. This reflects the regional operating model discussed for the position. Technical & Solution Selling Understand customers' processes, operating challenges and water-treatment requirements and recommend appropriate solutions. Conduct technical presentations, product demonstrations and customer discussions together with technical and field teams. Analyze customer system specs (flow rates, feed water quality, target contaminants, operating capacity) to recommend optimal ion exchange resin grades (cation, anion, mixed bed, chelating, specialty resins). Coordinate resin performance monitoring, resin sampling, and analytical testing with laboratory teams to resolve customer operational issues. Support product trials, performance monitoring and troubleshooting as required. Provide product and application guidance to customers and partners. Market Development & Operations Build market knowledge across key industrial segments, with particular focus on petrochemical, refinery and power-generation customers. Monitor market trends, competitive activity and emerging customer opportunities. Maintain an accurate sales pipeline and forecast through CRM. Work closely with supply chain, customer service and logistics teams to support order fulfilment. Represent the business at industry events, conferences and customer engagements. Requirements Bachelor’s Degree or equivalent qualification in engineering, chemistry, environmental science or another relevant technical discipline. 5+ years of experience in technical sales, business development or account management within resin sales, industrial water treatment, water-treatment equipment, specialty chemicals, process technologies or related industrial solutions. Demonstrated experience developing new business and managing complex B2B customer relationships. Experience selling to industries such as petrochemical, refinery, power generation, chemicals, microelectronics or other industrial/process sectors. Good understanding of industrial water-treatment technologies. Experience with ion exchange resins, RO, EDI, filtration, membranes, UV or related solutions would be advantageous. Experience working with OEMs, EPCs, system integrators, distributors and/or industrial end users is preferred. Existing relationships within relevant industrial markets would be an advantage. Comfortable working independently across multiple markets and developing new customer relationships. Willingness to travel within assigned territory.