Senior Sales Engineer

About the role The Senior Sales Engineer drives the commercial growth of APP Metal Packaging solutions, including can sealants, surface treatment products, cleaners, conversion coatings, lubricants, and related process solutions across the metal packaging industry in Vietnam. This role combines technical expertise, hands-on customer support, relationship management, and strategic business development to expand market share and build long-term partnerships with metal packaging manufacturers. The position plays a key role in supporting the rapidly growing Southeast Asian metal packaging market, engaging both multinational and Chinese-invested can makers as they expand operations across the region. The successful candidate will work closely with customers throughout their project lifecycle, from plant setup and line commissioning through product qualification and ongoing production optimization. What you´ll do Drive commercial growth and market expansion for APP Metal Packaging solutions, including can sealants, cleaners, conversion coatings, lubricants, and related process solutions across Vietnam's metal packaging industry. Develop and strengthen strategic partnerships with can makers, OEMs, and key industry stakeholders, serving as a trusted technical and commercial advisor. Identify, engage, and convert new business opportunities while expanding market share within both multinational and rapidly growing Chinese-invested manufacturers across Southeast Asia. Partner closely with customers throughout their project lifecycle, from plant setup and line commissioning to product qualification, process optimization, and ongoing production support. Provide hands-on technical application expertise, troubleshooting, and operational support for sealant and surface treatment technologies used in aluminium and steel can manufacturing processes. Collaborate with engineering, production, procurement, and leadership teams to deliver tailored solutions that enhance manufacturing efficiency, product quality, and operational performance. Monitor market developments, customer expansion plans, and industry trends to proactively position APP solutions and support long-term business growth. Leverage a consultative sales approach by combining technical knowledge, relationship management, and strategic business development to create sustainable value for customers and the organization.