Key Account Amazon Marketplace Senior Manager

Guess Europe Sagl; Bioggio; On-site; CHF 140,000 - 190,000; Full time

Job summary

Guess Europe Sagl is seeking a Senior Manager for Amazon & Marketplace to drive profitable growth across Vendor Central and Seller Central. You will interface with external partners, internal teams, and agencies to optimize performance and ensure brand consistency.

Responsibilities include P&L management, planning, promotions, launches, and data-driven optimization across campaigns and assortments. The role requires strong analytical skills, stakeholder management, and experience in ecommerce

Qualifications

• Direct involvement in Amazon marketplace management (Vendor Central and/or Seller Central).
• Strong understanding of Amazon operations, merchandising and performance drivers.
• Solid analytical skills with ability to interpret data and KPIs.
• Expertise with Excel for data analysis.

Responsibilities

• Owns P&L and business planning for Amazon across 1P and 3P models.
• Defines and executes annual/quarterly plans, pricing, promotions and assortment.
• Manages external agencies and internal teams to align objectives.
• Oversees day-to-day Amazon Vendor Central and Seller Central operations.
• Leads product launches, content optimization, and key events like Prime Day/Black Friday.
• Tracks revenue, margin, traffic, conversion rate and Buy Box performance.

Skills

Amazon management

P&L management

Data analysis

Excel

Stakeholder management

Cross-functional collaboration

Inventory planning

Tools

Excel

Job description

The Key Account Amazon & Marketplace Senior Manager is responsible for driving profitable and sustainable growth of the brand on Amazon, managed both as a Vendor (1P) and as a Marketplace Seller (3P), and for contributing to the development of the broader marketplace strategy.

Acting as the key interface between Amazon, external partners/agencies (if applicable) and internal teams, the role owns the commercial performance of the channel, supports Amazon P&L management and ensures operational excellence, brand consistency and long-term growth.

Core Job Responsibilities

P&L and Business Management

• Ownership and management of the Amazon related P&L, ensuring achievement of sales, margin and profitability targets.
• Definition and execution of annual and quarterly business plans across Vendor Central (1P) and Seller Central (3P)
• Define and execute growth initiatives through pricing strategies, promotions, retail programs, advertising and assortment planning
• Manage and coordinate external Amazon agencies or service providers, ensuring alignment with commercial objectives

Amazon Vendor & Seller Operations Management

• Manage day-to-day operations across Amazon Vendor Central and Seller Central accounts
• Work with inventory planning and oversee purchase orders, forecasts and stock availability
• Monitor account health, compliance and operational KPIs to ensure continuity of business
• Collaborate with Supply Chain and Operations teams to support accurate demand planning and execution

Merchandising and Marketing Management

• Coordinate the planning and execution of product launches on Amazon, working cross-functionally with Product, Marketing and Merchandising teams
• Manage and optimize Amazon content, including product detail pages, brand store, A+ content and visual assets
• Plan and execute key commercial events such as Prime Day, Black Friday and Cyber Week
• Support and manage Amazon Advertising activities (Sponsored Ads, DSP if applicable) to maximize visibility and ROAS

Reporting and Analytics

• Overview performance through Amazon analytics and internal reporting tools
• Track and analyze key KPIs including revenue, contribution margin, traffic, conversion rate and buy box performance
• Identify insights and opportunities to improve performance and support data-driven decision making

Additional Responsibilities

Carry out additional tasks and projects as assigned in line with business needs.

Requirements

• Relevant experience in ecommerce roles with direct involvement in Amazon marketplace management (Vendor Central and/or Seller Central)
• Strong understanding of Amazon operations, merchandising and performance drivers
• Solid analytical skills with ability to interpret data and KPIs
• Expertise working with Excel for Data Analysis
• Strong commercial mindset with negotiation and stakeholder management skills
• Experience working with external agencies and cross-functional teams
• Good organizational and project management skills
• Ability to manage multiple priorities in a fast-paced environment