Marketing & Sales Trainee

Ecolab Open · verified Sep 15, 2026

Barcelona Part-time Junior General Marketing

Entry-level General Marketing role at Ecolab. Barcelona · part-time.

Role brief

Growth Roles summary, based on the employer's posting.

What you'll do

You'll help run Ops Council work and initiatives spanning several functions
You'll contribute to Water Circularity work and track the cross-selling pipeline
You'll prepare presentations, materials and updates for internal project communications
You'll coordinate ERG activities and help produce marketing and sales materials
You'll use Copilot and other digital tools to streamline workflows and administration

What you bring

You're studying toward or recently completed a bachelor's or master's degree in business, marketing or a related field
You have English proficiency at B2 level or higher
You bring advanced Microsoft Office skills, including PowerPoint, Excel and Teams
You show interest in marketing, sales and project management, plus AI tools such as Copilot or ChatGPT
You work proactively, stay organized and communicate well in international teams

Who this fits

This part-time role suits a student or recent graduate in Barcelona who wants practical experience in an international, collaborative setting. Its hybrid setup and flexible schedule are designed to fit academic and personal commitments. A disability certificate is an asset.

From the employer

Ecolab has an opening for a Marketing & Sales Trainee in Barcelona. This is a great opportunity to join a highly recognized global company and gain hands-on experience in a collaborative and international environment. If you are a motivated student looking to grow professionally while contributing to impactful projects, we invite you to apply.

As a Marketing & Sales Trainee, you will support strategic projects related to commercial development, sustainability and internal engagement, while building strong project management and communication skills.

What’s in it for you?

Ecolab Iberia is proud to be a Great Place to Work–Certified™ Company. Our associates have spoken and recognized our outstanding employee experience.

By joining Ecolab, you will:

Gain real business exposure in a global organization.
Work in an international and collaborative environment.
Enjoy our Hybrid Working Model and a flexible schedule aligned with your personal and academic priorities.

What will you do?

Support project management activities related to Ops Council and cross-functional initiatives.
Participate in Water Circularity projects and support cross-selling pipeline tracking.
Assist with internal communication for ongoing projects (preparing presentations, materials and updates).
Support coordination of ERG (Employee Resource Groups) activities.
Collaborate on the creation of marketing and sales materials.
Provide organizational and administrative support across different initiatives.
Leverage digital tools and AI solutions (Copilot) to improve efficiency and workflows.

The ideal candidate will have:

Currently enrolled in or recently graduated from a Bachelor’s or Master’s degree in Business Administration, International Business, Marketing or related studies.
Good level of English (minimum B2).
Strong interest in Marketing, Sales and Project Management.
Advanced knowledge of Microsoft Office tools (PowerPoint, Excel, Teams, etc.).
Familiarity or interest in Artificial Intelligence tools (Copilot, ChatGPT or similar).
Proactive mindset, strong organizational skills and eagerness to learn.
Good communication skills and ability to work in a team-oriented, international environment.

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. Disability certificate will be an asset.

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