Ecolab in Barcelona is seeking a Demand Planner Trainee to join our Planning Team. You will support demand forecasting, prepare reports, and collaborate with cross-functional teams to drive data-driven decisions. The ideal candidate is pursuing a degree in Economics, Management, or Engineering with strong analytical and communication skills. This entry-level role offers hybrid work in San Joan Despí and opportunities for growth within a integral leader in water, hygiene, and energy technologies.