What You’ll Do

Your key accountabilities will include:

• Maintain and continuously re-forecast the WSSI using channel-led metrics, ensuring visibility of performance across all channels and identifying clear risks and opportunities, under the guidance of the Merchandiser
• Manage the Business Unit (BU) /department retail sales budget, using MFP and other planning tools to generate an OTB that you own and are accountable for delivering in line with the commercial plan
• Analyse forward seasonal buys, working closely with partnership teams to challenge and influence channels with the Merchandiser to optimise trade and maximise sales
• Drive the weekly trade with consistency and discipline, using data-driven insights to identify risks, highlight opportunities, and recommend required actions
• Champion efficient ways of working, supporting process consistency across merchandising teams and guiding Assistant Merchandisers where needed

Who You Are

Your skills and experience will include:

• Advanced numerical and analytical capability, with the ability to interpret complex datasets, forecast demand, evaluate trading performance, and translate insights into clear commercial actions.
• Strong cross-functional collaboration skills, building productive relationships with channel teams, Buying, and FH&B partners to influence decisions and drive aligned commercial outcomes.
• Clear, confident, and persuasive communication style, able to present insights, recommend actions, and motivate others while adapting messaging to different audiences.
• Proficient use of merchandising and planning systems, confidently navigating tools such as MFP, WSSI, OTB, and reporting dashboards to support accurate planning and in-season management.
• Robust understanding of key retail Key Performance Metrics (KPI’s) (e.g., sell-through, intake, terminal stock, margin, rate of sale) and the ability to use these metrics to optimise sales, protect profit, and shape future seasonal planning within the BU

What’s in it for you?

Working at M&S means being part of something bigger - helping to deliver quality, value and service to millions of customers every day. We’re inclusive, fast-moving and always evolving, with a strong sense of purpose and a focus on doing the right thing.

Here are just a few of the benefits that make working here even more rewarding:

• 20% colleague discount on all M&S products and many third-party brands for you and someone in your household, available once you’ve completed your probation
• Competitive holiday allowance with the option to buy more
• Strong pension and life assurance to help plan for the future
• Tailored induction and training to support your development from day one
• Exclusive perks and savings through our M&S Choices portal
• Market-leading family policies, including parental, adoption and neonatal leave
• 24/7 wellbeing support, including virtual GP access and mental health services
• One paid volunteer day a year to support a cause that matters to you

Everyone’s welcome

We are ambitious about the future of retail. We’re reinventing, innovating and leading the industry into a more conscientious, inspiring digital era. We’re redefining how we work together and offering our most exciting opportunities yet. Marks & Spencer strives to be an inclusive organisation, trusted and admired by our colleagues, customers and suppliers. Join us and make change happen.

We are committed to building diverse and representative teams, where everyone can bring their whole selves to work and be at their best. We support each other and work together to win together.

If you feel you'd benefit from any support or reasonable adjustments during any stage of the recruitment process, please don’t hesitate to let us know when completing your application. This information will be picked up by our team, so we can try and put steps in place to help you be at your best through this process.

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