Sr. National Account Manager, e-Commerce in City of Westminster

Job Overview

The E-Commerce Senior National Account Manager (SNAM) is responsible for driving sustainable and profitable growth across the online ecosystem, namely Marketplaces (Amazon) and DTC.

This role plays a critical part in accelerating both digital and digitally influenced sales through strong commercial leadership, strategic partnership management, and best‑in‑class e‑commerce execution.

Working cross‑functionally with media, content, data & analytics, RGM, supply chain, and market teams, the SNAM will deliver best‑in‑class brand and shopper experiences to our consumers online.

Located in London, the position reports to the Head of Digital Commerce & Insights and manages one direct report.

The remit spans across Europe, requiring strong networking and communication skills to influence a complex multi‑functional and geographical stakeholder network.

Responsibilities

• Strategy to Execution of Amazon & DTC
• Lead the 3P Commercial strategy to create sustainable and profitable growth plans for Optimum Nutrition on Amazon EU.
• Build the Amazon commercial strategy across Price, Promo and Assortment to differentiate the brand and leverage the portfolio breadth – utilizing e RGM principles and PPA.
• Optimise and finesse the 3P seller strategy to replicate and scale across other marketplaces.
• Develop growth strategies for DTC sites (Optimum Nutrition and Isopure) in Europe to build the brand through Commercial, Content and Community initiatives.
• Provide strategic recommendations and guidance to markets on how to grow brand share on Amazon Europe Marketplace.
• Marketplace Expansion
• Expand business in existing marketplaces (e. g. Decathlon in France, Bol in Netherlands, C‑Discount in France), owning the buy box and maximising profitability for GPN.
• Identify new marketplaces for expansion in Europe, build commercial business plans and GTM strategy.
• Business Planning & Performance
• Drive revenue, profitability and market share growth through strong account management and trading excellence.
• Provide input and sign off on all forecast and financial delivery.
• Design and own the promotional and activation plan, especially for key Tier 1 events and NPD launches.
• Partner closely with RGM and finance teams to drive healthy, sustainable growth.
• Understand and optimise key profitability drivers – pricing, promotions, mix, media investment and contribution margin.
• Balance short‑term performance with long‑term value creation and brand equity.
• Media, Content, Digital Shelf & Performance Optimisation
• Work closely with media and content teams to optimise traffic, conversion and overall digital performance.
• Collaborate with the Performance Marketing team to drive performance of GPN brands across Amazon and DTC platforms.
• Leverage digital shelf analytics and search insights to improve discoverability, content quality and conversion.
• Champion a test‑and‑learn mindset to continually improve performance.
• Own and constantly optimise PDPs through data‑led insight and coordination with our content agency.
• Insight & Analytics Partnership
• Partner with COE Data, Analytics & Insights team to identify opportunities, diagnose performance gaps and shape strategic recommendations.
• Drive a data‑led approach to forecasting, planning and decision making.
• Translate complex data into clear commercial actions and business narratives.
• Cross‑Functional Collaboration & Communication
• Build strong partnerships across markets, COE teams, supply chain, finance, marketing and external partners.
• Ensure clear communication and alignment across stakeholders to enable execution excellence.
• Act as a key connector between local market needs and central e‑commerce capabilities.
• Team Management & Leadership
• Manage the Amazon Account Executive to deliver exceptional execution of market plans & strategies.
• Provide thought leadership and vision for all Amazon team members and stakeholders across the business.
• Lead cross‑functional Amazon + Marketplace business with all regional commercial stakeholders.
• Serve as the Amazon expert within GPN, staying informed on the latest digital sector developments and opportunities.
• Showcase experience, successes and learnings in monthly Europe forums.

Qualifications

• Proven experience in e‑commerce, online account management or digital commerce within CPG/FMCG.
• Amazon experience required.
• Strong understanding of Amazon, DTC and online retail ecosystems.
• Commercial acumen: managing revenue and profitability, forecasting, P&L management and performance management.
• Experience with retail media, digital shelf analytics and performance data.
• High learning agility, curiosity and passion for the digital space.
• Ability to drive strategy through to execution, working with teams, agencies and markets.
• Data‑driven mindset, translating insights into action.
• Excellent communication, relationship building, stakeholder management and influencing skills.
• Collaborative and adaptable, able to think big picture and drive hands‑on execution.
• Results‑oriented with a focus on continuous improvement and relentless pursuit of growth.
• Experience in a fast‑paced, dynamic environment, preferably within technology or e‑commerce.
• Passionate about the Sports Nutrition category and a high‑performing team environment.

Benefits

• Competitive compensation package including staff discounts, generous family leave policy, health plan and competitive salary.
• Opportunities for continuous learning through an on‑demand learning platform.
• Potential for career development on a global stage.
• Equal Employment Opportunity

We welcome and encourage interest from a variety of candidates, and will give your application consideration without regard to race, colour, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status or disability status.

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