Client Services Manager (Adtech)

TL;DR

Client Services Manager (Adtech): Managing a portfolio of client accounts and overseeing end-to-end campaign delivery with an accent on relationship management and performance optimization. Focus on optimizing programmatic campaigns, delivering data-driven insights, and ensuring client retention through strategic account growth.

Location: Hybrid (London) - requires 3 days of office presence per week

Company

Global adtech company powered by Persona Intelligence, enabling brands and agencies to activate persona-based strategies across channels.

What you will do

• Act as the primary point of contact for a portfolio of client accounts, building strong and trusted relationships.
• Lead client onboarding, campaign launches, and overall account management.
• Set up and optimize Programmatic and Managed campaigns to achieve agreed KPIs.
• Monitor campaign performance, pacing, and account health, proactively addressing risks.
• Collaborate with Sales, Product, and Engineering teams to support client retention and growth.
• Deliver client training and detailed performance reporting, including post-campaign analysis.

Requirements

• 1-3 years of experience in account management, client-facing, or customer success roles.
• Proven understanding of digital advertising, campaign management, or programmatic media.
• Ability to manage multiple accounts simultaneously in a fast-paced environment.
• Strong analytical skills to interpret and action campaign performance data.
• Excellent communication and relationship-building skills for both clients and internal stakeholders.
• Must be based in London for hybrid work.

Nice to have

• Experience with 3rd party ad servers (DCM, Adform, etc.).
• Familiarity with ad verification tools (IAS, DV, MOAT).
• Knowledge of SSPs and DSPs (DV360, TTD, AdForm, Xandr, etc.).
• Experience with tag management systems (GTM, Adobe, etc.).

Culture & Benefits

• Flexible Hybrid Model: Three mandatory in-office collaboration days to drive synergy and balance.
• Inclusive environment that celebrates diversity and encourages authenticity.
• Commitment to providing an equitable voice and equal opportunities for all team members.