Senior Account Manager, Amazon Marketplaces

Senior Account Manager, Amazon Marketplaces

At Market Once, we empower businesses with the insights and strategies they need to excel in today's dynamic market. With a strong foundation in market research, we offer innovative solutions in research, software, consulting, advertising, and marketing to corporate, private equity firms, and other organizations seeking to achieve their goals.

Our team is distinguished by their client‑centric approach—treating each client's business with the dedication and care as if it were their own. This commitment enables us to deliver personalized service and achieve the highest standards of success and innovation in everything we do. Together, our family of companies, including Market Once, ROI Rocket, and eAccountable, work toward delivering unparalleled solutions. Headquartered in Denver, Colorado, our global team collaborates from locations across the US and Europe.

We value curiosity, creativity, collaboration, and expertise, continuously striving to push boundaries and exceed our clients' expectations. Join us to be part of a culture that drives meaningful results.

eAccountable is a trusted leader in digital marketing, specializing in driving growth for online retailers. For two decades, online retailers have partnered with us to increase revenue, acquire new customers, and build brand loyalty. Through an integrated multi‑channel digital marketing approach, we have helped our clients across many industries recognize quick and extremely impressive results.

The Senior Account Manager (Sr. AM) is responsible for the execution, performance, and day‑to‑day leadership of Amazon accounts ranging from approximately $1M–$10M in annual revenue. This role serves as the primary client contact and owns delivery across advertising, catalog, and operational work streams, ensuring strategies are executed accurately, efficiently, and on time.

• Own end‑to‑end execution and performance outcomes for assigned Amazon accounts, including prioritization, pacing, and delivery quality
• Serve as the primary client point of contact, leading regular calls, updates, and ongoing communication
• Execute account‑level strategies in partnership with Operations teams
• Translate strategic priorities into clear tasks, timelines, and deliverables across internal work streams
• Ensure advertising, catalog, and operational initiatives are implemented accurately and on schedule
• Lead execution for high‑stakes planning moments such as Prime Day, Q4, launches, restructures, and turnarounds
• Identify execution risks, performance gaps, or operational issues and proactively resolve or elevate with recommendations
• Manage client expectations, priorities, and pacing to support retention and sustained growth
• Coordinate internal teams to ensure alignment, accountability, and timely delivery across work streams
• Lead strategic planning sessions and Quarterly Business Reviews (QBRs) with clients
• Conduct in‑depth performance analysis to identify opportunities for improvement or growth for brands generating $500k+/month in sales
• Proactively communicate solutions and recommendations for brands managing $50k+/month or more in ad spend
• Oversee billing processes and ensure accurate invoicing
• Mentor junior team members and contribute to internal knowledge sharing and best practices

• Bachelor’s degree required
• 5+ years in Amazon account management or a similar role, preferably in an agency setting.
• Strong working knowledge of Amazon Seller Central and Vendor Central
• Proficiency in tools such as Amazon Ads Console, Seller Central, Vendor Central, Amazon DSP and AMC.
• Comfortable balancing strategy with hands‑on work (e.g., ad campaign builds, listing reviews)
• Exceptional communication and interpersonal skills for client and team interactions.
• Proven success managing accounts with $10M+ in annual Amazon revenue
• Ability to lead client conversations and build strong relationships

• Competitive base salary: $90,000-$110,000 + variable compensation
• Flexible vacation policy – take the time you need to recharge
• Comprehensive health, vision & dental insurance
• 401k with company…