Store Performance Planner - Convenience Channels in City of Westminster

We’re reshaping our Food business to broaden its appeal, protecting the magic our customers love while modernising everything else. That means outstanding quality, high sourcing standards, and market‑leading innovation remain at our core, while we transform our supply chains, improve our stores, and deliver better value. We’re looking for motivated people ready to bring their whole self to work and thrive in a fast‑paced, ambitious team.

We have an exciting opportunity for a Store Performance Planner to join our team, supporting the performance of SSP stores across the estate. This role plays a key part in driving sales growth, improving availability, and minimising waste through strong forecasting, planning, and cross‑functional collaboration.

As a Store Performance Planner, you will be responsible for owning demand forecasting and stock allocation across SSP stores. You will work closely with Franchise Partners, Retail, Commercial, Category, and Supply Chain teams to deliver strong trading performance, support key events and seasonal phases, and provide clear insight to support decision‑making.

This is a fast‑paced, analytical role suited to someone who enjoys working with data, solving problems, and influencing partners to achieve results.

What you’ll do:

• Own forecasting and inventory management across SSP stores, ensuring accurate stock allocation, strong availability, and minimal waste.
• Drive improvements in sales, availability, and waste to deliver positive like‑for‑like (LFL) performance.
• Plan and support phases, seasonal events, local events, and disruption trading with accurate stock placement.
• Collaborate with Franchise Partners, Retail, Commercial, Category, and Supply Chain teams to manage risk and performance.
• Provide clear performance reporting and data insight, highlighting risks and opportunities across range, sales, and availability.

Who you are:

• Strong analytical and numerical skills with the ability to turn data into actionable insight.
• Excellent attention to detail and accuracy in forecasting, reporting, and decision‑making.
• Advanced Excel skills and confidence using forecasting and planning systems.
• Strong verbal and written communication skills to influence partners.
• Effective problem‑solving and decision‑making skills, with the ability to react quickly in a fast‑paced environment.

What’s in it for you?

• 20% colleague discount for you + 1 household member (after probation).
• Competitive holiday allowance + option to buy more.
• Discretionary bonus schemes linked to performance.
• Strong pension + life assurance.
• Tailored induction + training from day one.
• Perks and savings via M&S Choices portal.
• Market‑leading family policies (parental, adoption, neonatal leave).
• 24/7 wellbeing support (GP access + mental health services).
• 1 paid volunteer day a year.

Everyone’s Welcome

We are ambitious about the future of retail. We’re disrupting, innovating and leading the industry into a more conscientious, inspiring digital era. We’re transforming 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. We are committed to providing reasonable adjustments during the recruitment process.