Guess Europe Sagl

Sells clothing and accessories across Europe

Key Account Amazon Marketplace Senior Manager

Account ManagementUpdated on Nov 12

Full-timeBioggio, SwitzerlandNo salary listedIn-person

About the Job

Requirements

Relevant e-commerce experience with direct involvement in Amazon marketplace management through Vendor Central and/or Seller Central.
Strong understanding of Amazon operations, merchandising, and performance drivers.
Ability to interpret data and key performance indicators.
Expertise using Excel for data analysis.
Commercial mindset and negotiation and stakeholder management skills.
Experience working with external agencies and cross-functional teams.
Organizational and project management skills.
Ability to manage multiple priorities in a fast-paced environment.
Strong communication and stakeholder management skills.
Fluency in English; additional languages are a plus.

Responsibilities

Own and manage the Amazon-related P&L, ensuring achievement of sales, margin, and profitability targets.
Define and execute annual and quarterly business plans across Vendor Central and Seller Central.
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.
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 key performance indicators to ensure continuity of business.
Collaborate with Supply Chain and Operations teams to support accurate demand planning and execution.
Coordinate the planning and execution of Amazon product launches 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, including Sponsored Ads and DSP if applicable, to maximize visibility and return on advertising spend.
Oversee performance through Amazon analytics and internal reporting tools.
Track and analyze key performance indicators including revenue, contribution margin, traffic, conversion rate, and buy box performance.
Identify insights and opportunities to improve performance and support data-driven decision-making.
Carry out additional tasks and projects as assigned in line with business needs.

Desired Qualifications

Additional languages.

Key Account Amazon Marketplace Senior Manager

Guess Europe Sagl · Bioggio, Switzerland · — · Posted 2026-10-27

Workplace: on_site

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
Strong communication and stakeholder management skills
Fluent in English; additional languages are a plus

Benefits

An International, fresh and dynamic working environment
Physical & Mental Health programs, sustainable projects and workshop promoted by Guess Community
Arts, sports and social events outside the office, thanks to our Guess Fun activities!
Training & Development platform and paths
Discount on our products both online and in stores

Don’t miss your chance to join a progressive and sustainable global company, which is constantly looking for new challenges and opportunities to grow in a competitive and tough market.

Guess promotes a people-first workspace, where their well-being and their development are part of the history and the success of the brand.

Do you think we’re a good match for you? Apply now to be part of our family!

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Apply at Guess Europe Sagl

About the Company

Guess Europe Sagl

Sells clothing and accessories across Europe

Guess Europe Sagl coordinates the regional fashion business behind GUESS clothing and accessories, serving shoppers and wholesale partners. Its retail teams sell collections through branded stores, while wholesale teams work with other retailers to present products and support sales in their markets. The business also connects online commerce with product buying and merchandising, earning revenue from goods sold directly to consumers or supplied to retail accounts. From its Swiss base, it coordinates marketing and product availability across countries, linking commercial plans with ordering and distribution. The Swiss legal entity was formed in 2006 and is headquartered in Bioggio, Switzerland.

Company size: 1,001-5,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Bioggio, Switzerland
Founded: 2006

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