SeniorTechnicalServiceEngineer

**Solenis** is a leading global provider of water and hygiene solutions. The company’s product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, cleaners, disinfectants, and state-of-the-art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect plant assets, minimize environmental impact, and create cleaner and safer environments. Headquartered in Wilmington, Delaware, the company has 70 manufacturing facilities strategically located around the globe and employs a team of over 16,500 professionals in 130 countries across six continents. Solenis is a 2025 Best Managed Company Gold Standard honoree. For more information about Solenis, please visit [www.solenis.com](http://www.solenis.com). **About the Role** We are looking for a highly skilled and analytical **Senior Technical Service Engineer** to join the team in **Thailand.** In this role, you will act as the primary technical advisor to customers, supporting the implementation and optimization of Solenis’ chemical solutions in industrial and manufacturing operations. You will play a key role in troubleshooting, process optimization, and delivering measurable customer value, while collaborating cross-functionally with commercial and technical teams. **Key Responsibilities** * Act as the primary technical contact for pulp & paper mills within the assigned territory * Provide on-site technical support for paper manufacturing processes, including stock preparation, wet end, press, dryer, and water systems * Troubleshoot paper machine performance issues using structured root cause analysis (e.g., runnability, deposits, breaks, quality variation) * Optimize chemical programs such as Retention & Drainage, Strength Enhancement (dry & wet strength), Deposit, Pitch & Stickies Control, Defoamers & Foam Control and Microbiological Contro * Conduct system audits, machine surveys,