Supervisor, E-Commerce

We are a modern omnichannel agency uniquely connecting data, creative, and media to accelerate results for growth marketers. Mile Marker is an agency where content fuels performance, media drives outcomes, and data underpins an engine that eliminates the gaps that slow down enterprise growth marketers. This unified growth engine feeds a learning system within Relay, our open‑powered marketing stack, ensuring every impression, message, and experience is built for a business outcome.

Mile Marker’s client roster includes Fresh Pet, Door Dash, Spectrum, Webster Bank, True Green, Hello Fresh and Harry’s, among others.

We are a team of strategists, media experts, creatives, innovators and analysts. Over 100 Milers (our humans) strong with hybrid offices in New York City and San Francisco.

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This role is responsible for developing, executing, and optimizing paid advertising campaigns across various digital platforms like Amazon Ads, Walmart Connect, and other bidding‑based retail media networks (such as Criteo, Door Dash, and Instacart), focusing on sponsored product campaign management, optimization, and performance analysis to achieve client marketing goals. It essentially manages all aspects of "biddable media" through retail platforms. This role sits within our Center of Excellence on our Biddable team, working closely with our Paid Search and Paid Social specialists.

• Develop the strategy, execution, and optimization of retail media campaigns for multiple clients across various industries.
• Collaborate with internal teams (creative, content, strategy) to ensure alignment of campaign strategy, goals, messaging, and performance.
• Provide hands‑on campaign execution, management, and oversight on platforms like Amazon Ads, Walmart Connect, Criteo, Instacart, Google Ads, and similar platforms.
• Contribute to campaign forecasting, media planning, and budget management across channels.
• Set up sponsored product, sponsored display, and sponsored brands campaign structure, budgets, and bidding strategies across platforms.
• Identify, propose, and execute testing opportunities across platforms.
• Stay up to date with platform changes, trends, and emerging tools, bringing forward innovative strategies and testing new ad products.
• Monitor key performance metrics such as conversions, cost per acquisition (CAC), return on ad spend (ROAS), and other KPIs.
• Strong focus on performance and optimization, reviewing accounts with the team regularly to ensure budget pacing and performance is on track.
• Analyze performance data to extract actionable insights and optimization opportunities, including analysis of keyword, product, and product target performance.
• Develop performance decks and clearly communicate performance trends and opportunities to internal and external clients on weekly/bi‑weekly or monthly cadence.
• Mentor and manage a small team of media planners, providing strategic direction, support, and feedback.
• Ensure high standards of execution and performance across all client accounts under your supervision.

• Minimum of 4 years of experience managing retail campaigns with strong platform‑level knowledge.
• Strong experience managing direct‑to‑consumer or conversion‑based media campaigns with a good understanding of paid search campaign strategy.
• Proven ability to lead, mentor, or manage junior team members.
• Exceptional analytical skills — you instinctively dig into campaign data to understand what’s working and why.
• Advanced experience with Amazon Ads and Walmart Connect; previous experience with Google Ads required.
• Effective communication and client‑facing skills with experience presenting results and strategies.
• Experience managing budgets and media planning across multiple accounts.
• Good understanding of best practices around retail media campaign objectives and bidding.
• The ability to thrive in a fast‑paced, agency environment and juggle multiple priorities.

• Experience with Meta Ads Manager and Tik Tok Ads Manager or other social platforms.
• Familiarity with tools like Looker Studio and/or Supermetrics.