Application Specialist - Water Treatment

The incumbent will focus on developing and growing the water treatment business among industrial customers in Vietnam, particularly within the Food & Beverage industry. The role will identify customer needs, business gaps, and opportunities to expand the water treatment portfolio and drive growth through appropriate product selection, cost-in-use analysis, and clear value delivery.

The role will work closely with customers to develop solutions, lead trials and pilot programs, conduct customer audits, and secure product or solution approvals. As a water treatment subject matter expert, the incumbent will also provide technical support and train the local sales team on water and wastewater treatment programs to support business development.

• →Identify customer requirements and transform them into actionable opportunities.
• →Develop systematic programs including product selection, cost-in-use analysis, ROI calculations, and operational benefits.
• →Plan and conduct on-site trials, define protocols and standards, and gain customer approvals.
• →Lead the execution of key value propositions, innovations, and product offerings.
• →Train and support the sales team on water and wastewater treatment programs.
• →Share best practices and replicate successful solutions across customer sites and industry segments.
• →Collaborate with country business teams to achieve growth targets in water treatment.
• →Liaise with senior leaders, technical teams, and operations personnel at customer sites.
• →Build strong relationships with OEMs and service providers in the water treatment space.
• →Work closely with country business leaders, sales and technical teams, sector leaders, and global technical support groups.
• →Engage with the global water treatment community within Diversey to align on best practices.

• Bachelor’s or Master’s degree in Engineering, Chemistry, or a related Science discipline.

• Minimum 5 to 8 years of experience in water treatment, preferably in chemical treatment for industrial applications.
• Experience with industrial customers and applications in utility water and wastewater treatment
• Background in the light manufacturing sector is preferred but not mandatory.

• Strong technical problem-solving abilities.
• Excellent communication skills, with proficiency in English (both written and spoken).
• Ability to conduct technical presentations and customer training.
• Ability to travel approximately 10–12 days per month or as business needs dictate.