Senior Director, Biddable

Mile Marker · Hybrid · New York, NY · $160k–$170k

Posted by Mile Marker on their careers site · View the original posting

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About Mile Marker

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 FreshPet, DoorDash, Spectrum, Webster Bank, TrueGreen, HelloFresh 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.

For more information, go to www.milemarkeragency.com .

About the role

The Senior Director, Social & Retail Media is a senior operational lead within Mile Marker’s Performance & Commerce Center of Excellence (COE). This role leads the Pet & Consumer CPG and Retail Media verticals within Biddable, directly manages a team of 3–4, and serves as a strong #2 to the VP in strategic and measurement plan development, while keeping daily social and retail media operations running smoothly across a high-volume enterprise portfolio.

Equipped with deep hands-on and strategic expertise across major social platforms (Meta, TikTok, Pinterest, Snap, LinkedIn) and retail and commerce media networks (Amazon Ads, Walmart Connect, Roundel, Instacart, Kroger Precision Marketing, and last-mile networks such as DoorDash and Uber), the Senior Director helps shape how Mile Marker delivers social and commerce media. The role defines the practice’s operating frameworks, drives organic growth and new business alongside the VP, and keeps the agency ahead of evolving social and commerce media trends.

What you'll do

Portfolio Oversight & Team Delivery

Lead the agency’s largest client, with a $50MM+ annual paid media budget across biddable channels, setting strategic direction for the team that runs it day to day.
Directly manage, develop and grow a team of 3–4, including hiring, performance management, coaching and career pathing.
Maintain high-level operational oversight of 50+ client accounts, tracking pacing hygiene, KPI performance (ROAS, iROAS, TACoS, CAC) and quality assurance across social and retail media channels.
Proactively diagnose underperforming accounts, operational bottlenecks or resourcing gaps, stepping in with targeted support or temporary execution bandwidth.
Keep the team on track against weekly deliverables, campaign launches, retail calendar moments (Prime Day, Walmart Deals, Target Circle Week, holiday) and monthly pacing targets, working closely with Directors.
Share proven approaches and test learnings with the other Biddable verticals.
Cultivate relationships with key platform and retailer partners (Amazon, Walmart, Target, Ins

[…]
ks for social and commerce media beyond standard account management.

Proven ability to drive organic growth by scaling budgets, expanding channel footprints and broadening scope across active client accounts.
Active involvement in new business pitch development, crafting channel strategies and leading capability presentations.

Platform Mastery & Technical Depth

Expert-level, hands-on command of social platforms, including Meta Ads Manager, TikTok Ads Manager, Pinterest Ads, Snap Ads and LinkedIn Campaign Manager.
Expert-level, hands-on command of retail media platforms, including Amazon Ads (Sponsored Ads and Amazon DSP), Walmart Connect, Roundel, Instacart Ads and other emerging retail media networks.
Deep fluency in modern ad tech and signal infrastructure, including Conversions APIs (CAPI), Google Tag Manager, catalog and product feed management, platform attribution models, and clean rooms such as Amazon Marketing Cloud.
Proven experience testing and deploying platform AI/ML features (e.g., Advantage+, Smart+, Performance+, generative ad tools) to drive efficiency and performance lift.
Working knowledge of retail commerce fundamentals: digital shelf, product detail page health, inventory and buy box dynamics, and their impact on media performance.
Working knowledge of paid search, particularly how it interacts with retail media and marketplace performance.

Client Leadership & Onboarding

Proven track record leading complex technical and strategic client onboardings, translating marketing and commerce objectives into scalable account structures, tagging protocols and governance taxonomies.
Strong strategic storytelling, with a history of turning complex platform mechanics into business narratives for senior client stakeholders and executive reviews (QBRs).
High-level adaptability and market fluency across signal loss, privacy regulation and retail media network growth.