JOB DESCRIPTION
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
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
1. Conduct standardized lab tests (., pH, viscosity, material compatibility, wash performance)
2. Operate and monitor test rigs and pilot-scale equipment
3. Assist in the setup and validation of new equipment prototypes
4. Support formulation development and recipe testing in collaboration with chemists and engineers
5. Document test results in lab notebooks, digital logs, and technical reports
6. Maintain lab inventory and ensure compliance with quality and safety standards including adequate use of proper personal protective equipment
7. Collaborate on cross-functional projects
8. Participate in team meetings and contribute to continuous improvement initiatives
Your profile
9. Enrolled in a degree program in chemisty, biochemistry, chemical engineering or related field
10. Hands-on lab or technical workshop experience preferred
11. Fluency in English; German is a plus
12. Excellent organizational and communication skills
13. Careful, reliable, goal orientated with independent working method
14. Team-orientated, dedicated, and flexible
15. Proficient in MS Office
Our offer
16. A collaborative, international environment with exposure to real-world R&D challenges
17. Diverse and varied activities with the flexibility to work on your own responsibility
18. The opportunity to take on some of the world’s most meaningful challenges, helping customers achieve clean water, safe food, abundant energy and healthy environments
19. Flexible working hours and a supportive team culture
20. Coffee-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.