Marketplace Account Manager - 12 month FTC in City of London

At M&S, we are on a mission to share the magic of M&S with customers everywhere. Our goal is simple yet ambitious: to make our exceptional Fashion, Home & Beauty, and Food products accessible to people around the globe. To achieve this, we are accelerating growth in our international business—transforming how we operate, driving change at pace, and reimagining processes to deliver seamless experiences for every customer.

This role drives commercial performance and Profit & Loss (P&L) delivery, shapes the channel strategy in line with wider brand and business objectives, and works cross-functionally with buying, merchandising, supply chain, finance, and marketing to ensure seamless execution across trading, operations, and advertising.

Responsibilities include managing the day-to-day Vendor Central account, overseeing content and conversion optimisation, and leading Joint Business Planning to unlock growth opportunities. The role also delivers clear reporting and insight-led recommendations, while supporting expansion into international Amazon marketplaces—combining commercial acumen with operational rigor to achieve sustainable, profitable growth.

If you are motivated by the challenge of delivering profitable, sustainable growth in a fast-paced environment and bring hands-on experience managing Amazon for a consumer brand, strong knowledge of Amazon algorithms and SEO, confidence navigating compliance issues, and proven success in Amazon Advertising optimisation, we would love to hear from you!

Your key accountabilities will include:

• P&L & Commercial Ownership - Own the Amazon P&L including pricing, margin, budgets, and trade terms in collaboration with finance.
• Joint Business Planning - Lead the JBP with Amazon, including QBRs and annual planning cycles.
• Optimise day-to-day operations - Optimise and maintain product listings (titles, bullets, descriptions, A+ content) & conversion. Resolve any listing issues, suppressed ASINs, and data discrepancies on platforms.
• Advertising & Media - Work closely with marketing to drive optimum and profitable traffic building out an event calendar featuring PPC and brand events with clear ROAS/TACoS accountability.

Your skills and experience will include:

• Strong commercial mindset, with a focus on delivering against targets and identifying opportunities that drive channel growth.
• Agile and action-oriented, able to quickly recognise commercial opportunities and mobilise both self and others to deliver results.
• Highly analytical, with exceptional numeracy skills and the ability to evaluate campaign performance, investment effectiveness, and key KPIs.
• Deep Amazon expertise, ideally with 4-5 years' experience managing Amazon for a consumer clothing brand, including strong knowledge of algorithms, buy box dynamics, SEO, and ranking factors.
• Hands-on marketplace operator, confident in navigating compliance challenges, resolving operational issues, and optimising Amazon Advertising performance (including PPC, analysis, and ongoing optimisation).

Working at M&S means being part of something bigger—helping to deliver quality, value and service to millions of customers every day. We are 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 have completed your probation.
• Competitive holiday allowance with the option to buy more.
• Discretionary bonus schemes linked to your performance and ours.
• 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.

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.