Application Engineer

Ecolab is a global leader in water, hygiene, and energy technologies, dedicated to delivering innovative solutions that make a positive impact worldwide. With operations spanning across 170 countries, Ecolab is committed to sustainability, innovation, and fostering a diverse and inclusive workplace.  There are over 500 of us in our Krakow business center, where we highly specialize in finance, supply chain, accounting, controlling and regulatory. We’re always looking for new talent to join our team. When you come to work at Ecolab, you get to take on some of the world’s most meaningful challenges and have the opportunity to learn and grow, shape your career, make an impact and quickly see the importance of your work.  Application Engineer is responsible for delivering specialized technical services related to the company’s products and solutions in the field of industrial and process water treatment. The position combines service, technological, and advisory competencies, supporting both customers and internal technical‑sales teams. It requires developing strong technical proficiency, applying best practices, and ensuring compliance with the Six Service Standards. This is primarily a field‑based role performed at customers’ industrial facilities with additional administrative tasks completed in a home‑office setting.

Technical support — ongoing operation of chemical dosing equipment and monitoring/control instrumentation. Field service — performing service activities at industrial plants in the Płock region (Mazovian Voivodeship) and, to a lesser extent, neighboring regions. Dosing installations — installation of dosing systems and participation in commissioning new projects. Process supervision — overseeing water treatment processes, monitoring operating parameters, and recommending optimization actions. Chemical analyses — sampling water, process streams, or wastewater and performing chemical analyses using a mobile laboratory kit. Audits and documentation — maintaining process documentation, participating in system audits, and preparing service reports. Sales support — collaborating with technical‑sales representatives and contributing to the preparation of proposals for new solutions and customer projects. Customer service — providing technical advice, resolving application‑related issues, and ensuring adherence to customer service standards.

Higher technical education: chemical engineering, chemical technology, environmental engineering, environmental protection, chemistry, or a related field. Preferred experience in water treatment or an industrial environment (2–3 years). Willingness to engage in long‑term cooperation (approx. 12‑month onboarding process). Category B driving license and availability Monday–Friday. Readiness for occasional training and service travel within Poland and abroad. Computer literacy and proficiency in MS Office. English language skills. High personal culture, responsibility, communication skills, reliability, and willingness to learn and develop. What’s in it For You: Competitive Compensation: Attractive salary (Base pay & Variable Plan) and benefits package (private medical care, life insurance, stock purchase, lunch subsidy, sport cards). Work-Life Balance: Flexible working arrangements with hybrid model of work (approx. 60% from the office and 40% from home) Matrix Organization: Thrive in our matrix organization, working across Europe with various teams and cultural backgrounds. Collaborative Environment: Strong teamwork and diverse interactions. Development Opportunities: Personalized plans with rapid progression Versatile Career Paths: Professional growth supported by active committee for different career levels. Supportive Culture: High employee satisfaction and responsive feedback. Learning and Innovation: Continuous learning and technical training incl. subject matter experts’ trainings, soft skills