Marketplace Manager - Amazon & Walmart (United States)

About Ten32 Media

Ten32 Media is a fast-growing eCommerce growth agency helping consumer brands scale across Amazon, Walmart, TikTok Shop, DTC, and other major digital commerce channels. Founded in 2021, Ten32 has quickly grown into a leading partner for brands looking to build, manage, and scale their eCommerce presence. In 2026, Ten32 Media was recognized on the Inc. 5000 list at #386 , placing us among the fastest-growing private companies in America.

Our team works across marketplace management, paid media, retail media, content, catalog operations, analytics, and overall eCommerce strategy. We pride ourselves on being highly hands-on with our clients and operating as an extension of their internal teams.

As we continue to grow, we're looking for an experienced Retail Media Manager – Amazon & Walmart who can own advertising strategy, execution, and optimization across a portfolio of consumer brands.

The Role

The Retail Media Manager will be responsible for managing and scaling paid advertising campaigns across Amazon Ads and Walmart Connect .

This is a hands-on performance marketing role . We are looking for someone who can get directly into advertising accounts, analyze performance, make optimizations, build campaigns, manage budgets, and develop strategies that drive profitable growth.

You will work closely with our marketplace, account management, creative, and operations teams to ensure advertising strategy is aligned with each brand's overall sales goals, inventory position, promotions, and profitability targets.

The ideal candidate can look at an advertising account, quickly understand what is working and what isn't, identify opportunities for growth, implement changes, and clearly communicate performance and strategy to both our internal team and clients.

Key Responsibilities

• Own day-to-day management of Amazon Ads and Walmart Connect campaigns across assigned client accounts.
• Build, launch, manage, and optimize Sponsored Products, Sponsored Brands, Sponsored Display, and other available retail media campaigns.
• Conduct ongoing keyword research, search term analysis, competitor research, and campaign expansion.
• Manage campaign budgets, bids, targeting, placements, match types, and overall account structure.
• Monitor and optimize performance based on ROAS, ACOS, TACoS, CPC, CTR, conversion rate, revenue, and profitability .
• Develop advertising strategies designed to increase sales while maintaining efficient ad spend.
• Identify opportunities to scale successful campaigns, products, keywords, and audiences.
• Reduce wasted ad spend by identifying inefficient keywords, targeting, placements, and campaigns.
• Develop advertising strategies around product launches, promotions, Prime events, seasonal periods, and major retail moments.
• Analyze organic ranking and total marketplace performance alongside paid advertising performance.
• Work with marketplace teams to ensure advertising strategy aligns with inventory, pricing, promotions, content, and overall account goals.
• Provide clear weekly and monthly performance updates, insights, and recommendations.
• Participate in client calls when needed to explain advertising performance, strategy, and next steps.
• Troubleshoot campaign and advertising account issues across Amazon and Walmart.
• Proactively identify opportunities for clients rather than simply maintaining existing campaigns.
• Stay current on changes to Amazon Ads, Walmart Connect, retail media platforms, advertising products, and marketplace best practices.

What We're Looking For

We are looking for someone with strong experience in Amazon and Walmart paid media who understands both the technical side of campaign management and the larger strategy behind growing consumer brands.

The right candidate should have experience with several of the following:

• Amazon Ads
• Walmart Connect
• Amazon Seller Central
• Amazon Vendor Central
• Sponsored Products
• Sponsored Brands
• Sponsored Display
• Keyword and search term research
• Campaign structure and optimization
• Bid and budget management
• Advertising reporting and analytics
• ROAS, ACOS, TACoS, CPC, CTR, and conversion rate analysis
• Product launch advertising strategies
• Promotional and seasonal advertising strategies
• Marketplace profitability analysis
• Retail media reporting platforms and advertising software
• Managing multiple brands or advertising accounts simultaneously

Experience working at an eCommerce agency or managing paid media for multiple brands is strongly preferred.

Experience working with CPG, food & beverage, beauty, wellness, household, supplements, or other consumer brands is a major plus.

This is a fully remote position offering flexibility and the opportunity to grow with a fast-paced, expanding company. Ten32 Media offers competitive compensation, paid PTO, health insurance options, performance-based bonus opportunities, and additional benefits. We’re committed to creating an environment where team members can take ownership, grow professionally, and be rewarded for the impact they make.