Application Engineer

Ecolab; Tychy; Hybrid; PLN 110,000 - 150,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Stock purchase

Lunch subsidy

Sport cards

Family events

Job summary

Ecolab in Poland is seeking an Application Engineer to deliver technical services for our water treatment solutions. This field-based role combines service, advisory skills and close collaboration with customers and internal technical sales teams.

Based mainly at customer facilities with some home-office work, the role requires strong technical proficiency, problem solving, and willingness to travel within Poland and abroad. English skills are essential.

Qualifications

• Higher technical education in chemical engineering, chemical technology, environmental engineering, chemistry, or related field.
• 2–3 years’ experience in water treatment or industrial environment.
• Category B driving license; willingness for travel.
• English language skills; MS Office proficiency.

Responsibilities

• Technical support — ongoing operation of chemical dosing equipment and monitoring/control instrumentation.
• Field service — servicing industrial plants in the Płock region and neighboring areas.
• Dosing installations — installation of dosing systems and commissioning new projects.
• Process supervision — oversee water treatment processes and optimize operating parameters.
• Chemical analyses — sampling and analyses using a mobile laboratory kit.
• Audits and documentation — maintain process documentation and service reports.
• Sales support — collaborate with technical-sales reps and prepare proposals.
• Customer service — provide technical advice and resolve issues while upholding service standards.

Skills

English language

MS Office

Driving license (Category B)

Willingness to travel

Education

Chemical engineering

Chemical technology

Environmental engineering

Environmental protection

Chemistry

Job description

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

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.

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.

Join Ecolab and help us protect what’s vital.

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.