Senior Customer Success Manager

Vertical Advantage; Greater London; On-site; GBP 40,000 - 55,000; Full time

Job summary

A leading AdTech company is seeking a Senior Customer Success Manager to oversee relationships with key clients. This role emphasizes data-driven decision-making and strategic account management, requiring strong analytical and communication skills. The ideal candidate will work cross-functionally to ensure client satisfaction and campaign success.

Qualifications

• 5–8 years of experience in customer success, account management, or client services within AdTech or data-driven SaaS.
• Experience managing complex client relationships and driving results in a performance-based marketing environment.
• Strong analytical skills with comfort working with campaign performance data.

Responsibilities

• Manage a portfolio of enterprise clients, providing strategic guidance.
• Partner with clients to define success metrics for advertising campaigns.
• Lead regular business reviews and performance presentations.

Skills

Client Relationship Management

Analytical Skills

Communication

Presentation Skills

Multi-tasking

Job description

3 days ago Be among the first 25 applicants

This range is provided by Vertical Advantage. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Vertical Advantage

I connect Business Development, Account Management, Customer Success and Insights people with Saas companies and MarTech agencies - Principal…

A great opportunity for a Senior Customer Success Manager to oversee strategic relationships with key enterprise clients at a leading AdTech business.

This role is designed for a highly analytical and relationship-driven professional who can leverage real-world consumer spending insights to help advertisers achieve measurable growth and performance.

The Senior Customer Success Manager will work cross-functionally with internal teams including Product, Analytics, Sales, and Media Operations to ensure seamless campaign execution, client satisfaction, and long-term account success.

Key Responsibilities

• Manage a portfolio of enterprise clients, providing strategic guidance and support throughout the customer lifecycle.
• Partner with clients to define success metrics and ensure delivery of impactful, data-driven advertising campaigns.
• Translate complex data into actionable insights, informing client strategy and improving campaign effectiveness.
• Lead regular business reviews and performance presentations to senior client stakeholders.
• Identify and pursue opportunities for account growth, including renewals, upsells, and cross-functional expansion.
• Advocate for client needs internally, collaborating with product and operations teams to influence enhancements and resolve issues.
• Contribute to the development of scalable customer success practices and mentor junior team members.

Required Qualifications

• 5–8 years of experience in customer success, account management, or client services within AdTech, MarTech, or a data-driven SaaS environment.
• Demonstrated ability to manage complex client relationships and drive results in a performance-based marketing environment.
• Strong analytical skills, with comfort working with campaign performance data and generating strategic insights.
• Exceptional communication and presentation abilities, particularly in executive-level client engagements.
• Ability to manage multiple priorities and stakeholders in a fast-paced, collaborative setting.
• Experience with card-linked offers, loyalty marketing or insights focused commercial roles is preferred.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Research, Strategy/Planning, and Sales

• Industries

  Market Research, Marketing Services, and Advertising Services

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