Applications Specialist (m/w/d) Cooling Water & RO/Membrane Treatment Location – Europe

We are Solenis—a global leader in developing innovative solutions for water treatment, hygiene, and industrial processes. With thousands of employees in over 160 countries, we drive efficiency, sustainability, and safety across a wide range of industries. Our technologies combine chemistry, digital systems, and application expertise to conserve resources, optimize processes, and create clean, safe environments. At Solenis, we don’t just think about a more sustainable future—we actively shape it and set new standards for tomorrow.

Currently we are looking for candidates for the position of Applications Specialist for cooling water & reverse osmosis and membrane treatment with special focus on biocides.

Duties & Responsibilities:

Support the European sales organization through technical field support, business growth initiatives, customer problem resolution, and account retention activities.

Provide technical expertise during customer visits, surveys, audits, and troubleshooting of cooling water and RO membrane systems.

Contribute to customer proposals and tenders by preparing technical recommendations, system assessments, and delivering customer presentations.

Develop optimization programs and technical reports focused on improving system performance, reliability, water efficiency, and sustainability.

Deliver technical training and knowledge-sharing programs for customers, sales teams, and internal stakeholders.

Support new product introductions (NPI), technology deployment, field validation, and collaboration with R&D teams.

Develop case histories, value advantage projects, and sustainability assessments to demonstrate customer value creation.

Maintain and enhance technical documentation, application guidelines, digital tools, and SharePoint resources.

Support digital monitoring, automation, and data-driven optimization solutions for cooling water and membrane applications.

Collaborate with cross-functional teams including Sales, Marketing, R&D, Regulatory, and Product Management.

Stay informed on industry trends, emerging technologies, regulatory developments, and competitive activities within industrial water treatment.

Willingness to travel extensively throughout Europe (approximately 50-70%).

The Individual - Qualifications & Experience:

Degree in Chemistry, Chemical Engineering, Environmental Engineering, Water Technology, or related field

Significant experience in industrial water treatment, with a strong focus on cooling water systems, boiler water, reverse osmosis (RO) / membrane applications

Demonstrated expertise in cooling water chemistry, scale and corrosion control, microbiological control, and system optimization

Strong knowledge of RO membrane systems, pretreatment technologies (filtration, UF, antiscalants), membrane performance, fouling mechanisms, cleaning procedures, and troubleshooting

Experience in cooperation with engineering firms, OEMs, EPC contractors and knowledge of relevant water treatment regulations and industry standards is favorable

Strong understanding of water treatment chemicals, including antiscalants, dispersants, corrosion inhibitors, biocides, cleaners, and specialty membrane treatment products - expert knowledge about biocide and National / European biocide regulations is a plus

Ability to communicate customer value creation through technical, economic, operational, and sustainability benefits

Strong customer-facing communication, presentation, and technical consulting skills

Ability to work independently while collaborating effectively with sales, technical, regulatory, and marketing teams

Resilient, flexible, and capable of managing multiple projects and priorities in a dynamic environment

Fluency in English; additional European languages are an advantage

Previous experience in technical sales, application engineering, or field service within industrial water treatment preferred

Experience conducting system surveys, performance audits, troubleshooting investigations, and customer training programs

Knowledge of digital monitoring solutions, water analytics, and performance reporting tools is a plus

Benefits:

Attractive compensation package, including bonus opportunities, in accordance with the chemical industry collective bargaining agreement

Company pension plan and comprehensive benefits

30 days of vacation and flexible work schedules (depending on the role)

Individual training and development opportunities (courses, international prospects)

Work in an international environment with a global network

Exciting, meaningful tasks with a direct impact on sustainability and resource conservation

A collegial, supportive corporate culture

Opportunities to contribute to cutting-edge technologies

Health and wellness programs