Own your Future. Impact what matters!

A trusted partner at more than two million customer locations, Ecolab (ECL) is the global leader in water, hygiene and energy technologies and services that protect people and vital resources. With annual sales of $14 billion and 49,000 associates, Ecolab delivers comprehensive solutions, data-driven insights and on-site service to promote safe food, maintain clean environments, optimize water and energy use, and improve operational efficiencies for customers in the food, healthcare, energy, hospitality and industrial markets in more than 170 countries around the world. For more Ecolab news and information, visit www.ecolab.com

Share our passion for protecting people and vital resources? Ready to harness your talent in ways that matter? Eager to work for a market leading company where your own success fuels that of your customers?

We are currently looking for a:

Working Student (f/m/d) Research & Development (20 hrs/week; 12 months)

based in Monheim am Rhein

About the Role

Join our dynamic Equipment Solutions team within RD&E, where chemistry meets engineering to deliver integrated, sustainable, and customer-centric solutions. As a Working Student, you’ll support the development, testing, and optimization of equipment and formulations that power Ecolab’s innovation pipeline.

Your responsibilities

Conduct standardized lab tests (e.g., pH, viscosity, material compatibility, wash performance)Operate and monitor test rigs and pilot-scale equipmentAssist in the setup and validation of new equipment prototypesSupport formulation development and recipe testing in collaboration with chemists and engineersDocument test results in lab notebooks, digital logs, and technical reportsMaintain lab inventory and ensure compliance with quality and safety standards including adequate use of proper personal protective equipmentCollaborate on cross-functional projectsParticipate in team meetings and contribute to continuous improvement initiatives

Your profile

Enrolled in a degree program in chemisty, biochemistry, chemical engineering or related fieldHands-on lab or technical workshop experience preferredFluency in English; German is a plusExcellent organizational and communication skillsCareful, reliable, goal orientated with independent working methodTeam-orientated, dedicated, and flexibleProficient in MS Office

Our offer

A collaborative, international environment with exposure to real-world R&D challengesDiverse and varied activities with the flexibility to work on your own responsibilityThe opportunity to take on some of the world’s most meaningful challenges, helping customers achieve clean water, safe food, abundant energy and healthy environmentsFlexible working hours and a supportive team cultureCoffee-connect-areas, company canteen and think tanks

With annual sales of $14 billion, Ecolab (ECL) is the global leader in water, hygiene and energy technologies and services that protect people and vital resources. Our 49,000 associates help make the world cleaner, safer and healthier by delivering critical insights and innovative solutions to help our customers achieve clean water, safe food, abundant energy and healthy environments at nearly three million customer locations in more than 170 countries.

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.

Our recruiters are looking forward to your application!

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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.