Senior Director, Biddable

Responsibilities

• - 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, Instacart, Meta, TikTok) to stay ahead of product roadmaps and secure early access for clients.
• - Uncover and evaluate organic scale opportunities across active accounts, including emerging RMNs, quick-commerce networks, social storefronts and innovative ad products, and turn them into pitch-ready strategic recommendations.
• - Co-lead new business acquisition alongside the VP, driving social, retail and commerce media positioning through capability presentations, channel blueprints and technical onboarding plans.
• - Help build Mile Marker’s social and commerce media capabilities, setting the channel standards, audit frameworks and QA protocols the team works from.

Requirements

• - 10+ years in digital performance marketing, with 6+ years in an agency setting managing paid social and retail media practices.
• - Demonstrated experience overseeing large-scale portfolio operations, supervising execution quality across a high volume of accounts (50+ active client accounts).
• - 5+ years of direct people management experience, with a proven record of coaching, developing and keeping cross-functional teams on track against tight operational deadlines.
• - Demonstrated success designing and establishing practice capabilities, service offerings and operational frameworks 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.
• - 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.