About this role
We are looking for a hands-on Amazon & eBay Marketplace Growth Specialist to manage and scale marketplace sales for a portfolio of automotive e-commerce brands. This is not purely a PPC role. The successful candidate will take ownership of marketplace growth across advertising, product listings, catalog optimization, keyword strategy, pricing and competitive monitoring, promotions, conversion optimization, reporting and sales growth . The candidate must have proven experience working with the North American market, particularly the United States and Canada , and must have direct experience selling and advertising automotive parts, replacement parts, brake components, performance parts, aftermarket automotive products, or a closely related parts category on Amazon and eBay . Experience managing general consumer products without relevant automotive/parts marketplace experience will not be sufficient for this role. Amazon Marketplace Management: Manage and optimize Amazon Seller Central accounts, create and improve product listings, titles, bullets, descriptions and backend search terms, manage Sponsored Products and other relevant Amazon advertising formats, conduct keyword and competitor research, optimize bids/budgets/placements, improve organic ranking and conversion, monitor Buy Box and pricing competitiveness, identify profitable SKUs for scaling, and continuously improve ACOS, TACOS, ROAS, sales and contribution margin. eBay Marketplace Management: Manage product listings and catalog performance through eBay Seller Hub, build and optimize Promoted Listings campaigns, improve titles, item specifics and product categorization, monitor search visibility and listing quality, optimize promotional strategies, analyze sales and advertising performance, and identify opportunities to increase both paid and organic marketplace sales. Automotive Catalog & Fitment: Work with automotive product catalogs containing potentially large numbers of SKUs and vehicle applications. Ensure accurate year/make/model/fitment information, identify catalog or compatibility issues that may reduce conversion, understand the relationship between part numbers, vehicle compatibility and buyer search behavior, and collaborate with internal teams to improve product data quality. Marketplace Growth Strategy: Develop individual growth plans for GeoBrakes, PartsBlue and MTX Performance rather than applying one generic strategy across all three brands. Identify marketplace opportunities by brand, product category, margin, competition and demand; recommend which SKUs should be prioritized; identify new marketplace opportunities; and develop strategies for acquiring new customers while improving marketplace profitability. Performance & Profitability: Manage marketplace performance against commercial metrics including marketplace revenue, orders, ACOS, TACOS, ROAS, CPC, CTR, conversion rate, organic vs. paid sales, advertising-attributed sales, product-level profitability and contribution margin. Advertising decisions should consider product margins, not simply revenue or ACOS. Competitive Intelligence: Monitor competing automotive sellers and brands across Amazon and eBay, including pricing, promotions, reviews, product positioning, listing quality, advertising visibility and assortment. Translate competitor findings into actionable recommendations. Reporting & Forecasting: Build weekly and monthly reporting covering spend, attributed sales, total marketplace sales, ACOS, TACOS, ROAS, conversion rate, top-performing SKUs, underperforming SKUs and growth opportunities. Explain why performance changed and what actions will be taken next rather than simply reporting numbers.