Marketplace Manager

Amain.com,-Inc.; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

AMain Hobbies is seeking a Marketplace Manager in the United States to drive growth across Amazon, eBay, Walmart, and more. You will own P&L, pricing, promotions, and catalog health while ensuring brand standards.

You will lead cross-functional teams, optimize listings, manage fulfillment strategies, and analyze performance to maximize profitability. This role requires 3–6+ years in marketplace management and strong analytical skills.

Qualifications

• 3-6+ years managing third-party marketplaces (Amazon required; eBay/Walmart strongly preferred)
• Strong understanding of marketplace algorithms, SEO, advertising, and performance levers
• Proven experience owning revenue and margin goals
• Advanced analytical skills with Excel/Google Sheets and marketplace reporting tools
• Strong organizational skills with the ability to manage multiple priorities

Responsibilities

• Develop and execute marketplace strategies aligned with AMain Hobbies’ revenue, margin, and brand goals
• Identify growth opportunities across existing and new marketplaces
• Own marketplace P&L, forecasting, and performance reporting
• Oversee product onboarding, listings, and content optimization (titles, bullets, images, A+ content, attributes, SEO)
• Ensure catalog accuracy, compliance, and suppression resolution
• Manage assortment strategy by marketplace, including exclusives and channel-specific SKUs
• Plan, execute, and analyze promotions, deals, and marketplace events (Prime Day, Black Friday, etc.)
• Monitor fees, advertising costs, and operational expenses to optimize profitability
• Own marketplace advertising strategies (Amazon Ads, Walmart Connect, eBay Promoted Listings, etc.)
• Optimize spend, ROAS, and campaign structure in partnership with internal or external teams
• Leverage marketplace tools and data to drive visibility and conversion
• Manage fulfillment strategy (FBA, FBM, 3PL, dropship where applicable)
• Monitor account health metrics, performance standards, and policy compliance
• Resolve escalations related to account issues, claims, returns, and customer feedback
• Partner with Merchandising, Marketing, Supply Chain, Customer Service, and Content teams
• Align inventory planning and demand forecasting with marketplace needs
• Support new product launches and brand initiatives across marketplaces
• Track KPIs including sales, margin, conversion, buy box, ad performance, and inventory health
• Deliver regular performance reporting with actionable insights
• Stay current on marketplace trends, policy changes, and competitive landscape

Skills

Marketplace management

Amazon advertising

SEO for product listings

Data analysis

Cross-functional collaboration

Excel/Google Sheets

Tools

Helium 10

Jungle Scout

Pacvue

Seller Central

Walmart Seller Center

Job description

The Marketplace Manager is responsible for the strategic growth, daily operations, and performance optimization of AMain Hobbies’ third-party marketplace channels, including Amazon, eBay, Walmart, TikTok Shop, and other emerging platforms. This role owns marketplace P&L, catalog health, pricing strategy, promotions, compliance, and cross-functional coordination to drive profitable growth while maintaining brand standards.

DUTIES AND RESPONSIBILITIES:

• Develop and execute marketplace strategies aligned with AMain Hobbies’ revenue, margin, and brand goals
• Identify growth opportunities across existing and new marketplaces
• Own marketplace P&L, forecasting, and performance reporting
• Oversee product onboarding, listings, and content optimization (titles, bullets, images, A+ content, attributes, SEO)
• Ensure catalog accuracy, compliance, and suppression resolution
• Manage assortment strategy by marketplace, including exclusives and channel-specific SKUs

Pricing, Promotions & Profitability

• Manage pricing strategy to remain competitive while protecting margins
• Plan, execute, and analyze promotions, deals, and marketplace events (Prime Day, Black Friday, etc.)
• Monitor fees, advertising costs, and operational expenses to optimize profitability

Advertising & Traffic Management

• Own marketplace advertising strategies (Amazon Ads, Walmart Connect, eBay Promoted Listings, etc.)
• Optimize spend, ROAS, and campaign structure in partnership with internal or external teams
• Leverage marketplace tools and data to drive visibility and conversion

Operations & Compliance

• Manage fulfillment strategy (FBA, FBM, 3PL, dropship where applicable)
• Monitor account health metrics, performance standards, and policy compliance
• Resolve escalations related to account issues, claims, returns, and customer feedback

Cross-Functional Collaboration

• Partner with Merchandising, Marketing, Supply Chain, Customer Service, and Content teams
• Align inventory planning and demand forecasting with marketplace needs
• Support new product launches and brand initiatives across marketplaces

Reporting & Analysis

• Track KPIs including sales, margin, conversion, buy box, ad performance, and inventory health
• Deliver regular performance reporting with actionable insights
• Stay current on marketplace trends, policy changes, and competitive landscape

Requirements

Required:

• 3-6+ years managing third-party marketplaces (Amazon required; eBay/Walmart strongly preferred)
• Strong understanding of marketplace algorithms, SEO, advertising, and performance levers
• Proven experience owning revenue and margin goals
• Advanced analytical skills with Excel/Google Sheets and marketplace reporting tools
• Strong organizational skills with the ability to manage multiple priorities

Preferred:

• Experience in hobby, specialty retail, or enthusiast categories
• Familiarity with tools such as Helium 10, Jungle Scout, Pacvue, Seller Central, Walmart Seller Center, etc.
• Experience managing large catalogs and complex assortments
• Knowledge of MAP policies and brand protection strategies

JOB CONDITIONS:

• Sitting 95% - heavy office work, including the use of a computer.
• Uses hands 95%+.
• Meeting and phone use: 25%+.
• Moderate noise - Office environment with computers, printers, and light traffic.

U.S. Employment Requirement

This position is open only to individuals who are currently residing in and authorized to work in the United States. All work must be performed within the United States. AMain does not support international remote work arrangements for this position.