Teams at Ecolab

Develops industrial water-treatment business across Southeast Asia by managing the full B2B sales cycle, growing customer accounts, and identifying new opportunities. Provides technical solution selling for ion exchange resins and related purification technologies, supports product trials and troubleshooting, and coordinates with technical, laboratory, supply chain, and logistics teams. Serves petrochemical, refinery, power-generation, chemical, and other industrial customers through direct and channel relationships.

Supports project engineers with schedules, engineering drawings, technical documents, quotations, proposals, and reports for industrial water treatment systems. Reviews customer requirements against designs, updates documentation using AutoCAD, and participates in site visits involving installation, testing, and commissioning. The intern gains exposure to water treatment technologies, project coordination, troubleshooting, and collaboration with customers, suppliers, sales teams, and engineering staff.

Accounting and finance intern supporting sales operations through billing and payment controls, sales and billing performance analysis, month-end accrual validation, inventory management, and general administration. The role provides exposure to order-to-cash and procure-to-pay processes, revenue recognition, SAP, and invoice collection while coordinating with account managers and shared services teams.