Ecolab is seeking a ***Water Treatment Process Supervisor*** in the field, where your technical expertise and customer-focused approach will help build a more sustainable future. You will be part of a purpose-driven team supporting water treatment systems across various industries. You will work directly in the field, building trusted relationships with customers and providing solutions that protect vital resources and improve operational performance. ***How you will make an impact:*** Provide expert service and support for water treatment and filtration systems. Monitor chemical usage and system performance to ensure optimal operation. Diagnose and resolve equipment and treatment issues with a focus on cost-effective solutions. Perform preventive maintenance and repairs to maximize equipment uptime. Maintain accurate service documentation and communicate clearly with customers. Collaborate with internal teams to continuously improve service delivery. ***Position Details:*** This position will be based in Toluca, Estado de México, or surrounding areas Availability to travel and serve customers outside the state for periods up to one month Expenses covered by the company ***Minimum Requirements:*** Education: Chemical Engineering, Industrial Engineering, Environmental Engineering, or related fields The position requires a valid driver's license Experience in a technical service role, ideally with water filtration systems or in industrial/mechanical environments. ***Preferred Qualifications:*** Hands-on plumbing experience and familiarity with industrial equipment. Experience with boilers, cooling towers, and wastewater treatment systems. Knowledge of mechanical, electrical, and pumping systems. Proficiency in Microsoft Office. **About Ecolab:** At Ecolab, we prioritize our talent-centered philosophy by building the most skilled and diverse team to excel across our nearly three million customer locations. With over a century of innovation, our 48,000 associates help deliver comprehensive scientific solutions, data-driven insights, and world-class service to improve food safety, maintain clean and safe environments, optimize water and energy use, and enhance operational efficiency and sustainability for customers in the food, healthcare, life sciences, hospitality, and industrial sectors across more than 170 countries. Our solutions not only improve operational efficiency but also contribute to sustainability and public health, creating a positive impact on the world. We are committed to eliminating unnecessary complexities and embracing a beginner’s mindset, continually seeking new perspectives and innovative solutions to stay at the forefront in a constantly changing world. **Our Commitment to a Culture of Inclusion & Belonging** Ecolab is committed to fair and equal treatment of associates and applicants and furthering the principles of Equal Opportunity to Employment. We will recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance in all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement. Ecolab will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, or disability.