Senior Client Success Manager

TL;DR

Senior Client Success Manager (Ad Tech): Lead day-to-day operations for high-value or high-complexity client accounts, ensuring billing accuracy, performance clarity, and seamless execution with an accent on strategic advising, revenue retention, and growth. Focus on coordinating cross-functional teams, identifying risks and opportunities, and shaping quarterly business reviews to drive long-term client value.

Location: New York, NY

Salary: $95,000-120,000 per year

Company

Leading independent omnichannel ad tech platform, part of Mediaocean, powering ad experiences across CTV, digital, linear, and social channels.

What you will do

• Serve as primary strategic and operational owner for high-value client accounts, ensuring strong client experience.
• Act as trusted advisor connecting campaign execution, performance data, and platform capabilities to business objectives.
• Partner with Sales, leadership, and cross-functional teams to align client goals with actionable plans.
• Lead insight-driven client conversations, identifying risks, opportunities, and guiding retention/growth discussions.
• Coordinate across internal teams like Ad Ops, Product, Finance for accountability, timelines, and execution quality.
• Lead Quarterly Business Reviews by synthesizing insights and recommending strategies.
• Support revenue retention/expansion by flagging churn risks and identifying upsell opportunities.

Requirements

• Location: New York, NY
• Strong project and account management skills for end-to-end execution across stakeholders.
• Excellent organizational skills to manage complexity, dependencies, and timelines.
• Comfort with data, advanced Excel for analysis, reporting, and storytelling.
• High accuracy in deliverables, reporting, and billing validation.
• Proactive, self-directed style with ownership and strategic/analytical thinking.
• Strong communication and relationship-building for clients and internal partners.
• Revenue-conscious mindset linking execution to retention and growth.

Culture & Benefits

• Open PTO, flexible schedule, company holidays, paid parental leave.
• Competitive salary, full benefits including medical/dental/vision, HSA/FSA, 401(k) match, life/disability insurance.
• Wellness perks: company-paid Peloton/Maven/BetterUp subscriptions, health challenges, seminars.
• Professional development, ERGs, mentorship, in-office/virtual events, philanthropy.
• High visibility role with uncapped commissions and growth potential.