Demand / Inventory Planner

Overview Demand / Inventory Planner

- Forecasting & Buying. The job is to forecast demand, plan and execute biannual buying cycles, and manage stock levels across European markets. The role ensures optimal product availability while supporting commercial and financial objectives through effective inventory control and forward-looking, data-driven planning. The role is based in Warmond (near Leiden) and is part of our Merchandise team; you will report into our Head of Merchandise.

Key Accountabilities As Demand Planner, you are responsible for pre-season activities focused on building accurate forecasts and executing effective buying cycles, as well as in-season responsibilities centered on forward-looking, forecast-led inventory management and the development of reporting and planning tools to support data-driven decision-making.

More Specifically, You Will Focus On Demand Planning & Forecasting

Develop, maintain, and continuously refine demand forecasts across Wholesale and DTC channels

Collaborate closely with Sales, Merchandising, Buying, and Finance to align forecasts with commercial and financial objectives

Prepare and execute biannual buying cycles (Spring/Summer and Fall/Winter)

Monitor and improve forecast accuracy throughout buying cycles, guiding Sales and Merchandising to ensure the right product is available at the right time

Support range planning and ensure budget adherence during buying processes

Translate demand forecasts into purchase quantities at style, colour, and size level for production

Coordinate with Customer Service and Production teams to place orders within agreed timelines

Inventory Management

Translate business objectives into rolling forecasts and multi-season inventory outlooks

Evolve inventory management from reactive stock control to proactive, forecast-led planning

Define and manage target stock levels, coverage, and turnover based on long-term demand projections

Collaborate with Wholesale teams on in-season stock ownership and allocation

Support product lifecycle planning from introduction through phase-out

Act as the data owner for demand and inventory insights

Cross-Functional Collaboration

Partner closely with Wholesale Sales, Product Merchandising, Merchandise Planning, Buying, and Customer Service

Ensure alignment between forecasts, inventory strategy, and commercial growth plans

Act as a key contributor to company-wide stock management initiatives

Who are you?

4–7 years of experience in demand planning, forecasting, or inventory planning within textiles, fashion, or consumer goods

Advanced Excel skills; experience with Power Query and Power BI preferred

Strong analytical and conceptual thinking skills

Structured, proactive, and comfortable working in a fast-paced, ambiguous environment.

Who will you work for? O'Neill was founded in Northern California with one simple mission—to surf longer. Over seven decades later, that mission remains at the core of our brand, inseparable from the history of surf itself. Powered by ongoing innovation, we continue to reinvent the O'Neill wetsuit—the original wetsuit, a game-changing invention—and design functional and versatile surf- and snow-gear and lifestyle apparel that enables our customers to enjoy their playground longer. As a brand created to enjoy nature, we see it as our responsibility to actively preserve it and contribute to a cleaner, more sustainable world. Our Ocean Mission is how we stay close to Jack O'Neill's original words: "The ocean is alive, and we\'ve got to take care of it".

What do we offer?

A challenging position in an international, dynamic and young environment;

Short communication lines and a creative place to work;

A Health & Wellbeing program, for example HIIT & Yoga opportunities in the office and an Individual Wellbeing budget to spend;

Staff discount, sample sales and fun team events;

Interested? We look forward to receiving your application!

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