Senior Analytics Manager

About the role

We are looking for a Senior Analytics Manager to become the technical backbone of a fast‑growing performance‑marketing agency in London. You will own the delivery of GA4, Google Tag Manager and BigQuery across key client accounts, turning complex tracking setups into reliable data that drives strategy.

Key responsibilities

• Manage GA4 implementation, event tracking, custom dimensions and conversion configuration for multiple clients.
• Design, build and maintain Google Tag Manager containers, custom triggers, variables and data‑layer schemas.
• Query GA4 exports in BigQuery, create scheduled queries and data pipelines that feed reporting dashboards.
• Collaborate with developers and the Head of Data Strategy to design scalable tracking plans.
• Conduct tracking audits, ensure data accuracy and proactively flag and resolve delivery issues.

Required profile

• Deep expertise with GA4, GTM and BigQuery, demonstrated through hands‑on project delivery.
• Strong attention to detail and a commitment to error‑free client reporting.
• Ability to explain technical concepts clearly to non‑technical stakeholders.
• Proactive ownership of client requirements and end‑to‑end delivery.

Required skills

• Google Analytics 4 (GA4)
• Google Tag Manager (GTM)
• BigQuery
• SQL for data extraction and transformation