Application Engineer

The person in this role 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 (Płock and the Mazovian region, with partial coverage of neighboring voivodeships), with additional administrative tasks completed in a home‑office setting.

What You Will Do:

• 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.

What You Will Need

• 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 and management trainings and LinkedIn learning.
• Social events such as family events and charity auctions.

About Ecolab: 

At Ecolab, we prioritize our talent-first philosophy by creating the most capable and diverse team to excel at our nearly three million customer sites. Building on a century of innovation, our 48,000 associates help deliver comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets in more than 170 countries around the world.

Our solutions not only enhance operational efficiency but also contribute to sustainability and public health, making a positive impact on the world. We are committed to eliminating unnecessary complexities and embracing a beginner's mindset, continuously seeking new perspectives and innovative solutions to stay ahead in a rapidly changing world. 

Ecolab’s commitment to diversity, equity and inclusion (DE&I) reflects our longstanding value of working together to integrate diverse perspectives to challenge ourselves, reach our goals and do what’s right. 

Apply today and join one of the most ethical companies with over a hundred years of history. 

Join Ecolab and help us protect what’s vital.  
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