Senior Data Analyst

Salary: £60,000 - 100,000 per year

Requirements:

• Were looking for someone with 4+ years of experience in an agency, consulting, or client-side role working with customer or customer-related datasets, such as marketing analytics, sales analysis, product analysis, or consumer profiling. Relevant transferable experience may also be considered.
• You regularly use SQL and/or Python and write code to retrieve data from GCP, AWS, Azure, or an equivalent platform.
• You understand and can discuss basic statistical concepts, such as feature importance, regression, clustering, and causation versus correlation.
• You can turn data into practical recommendations for non-technical decision-makers, addressing tactical and strategic questions.
• You communicate effectively and are comfortable working with and presenting to clients or internal non-technical stakeholders.
• Youre curious, detail-oriented, and interested in understanding what data means and how it should inform client decisions.
• You work well across teams, share knowledge, and are comfortable running projects independently with limited oversight.
• Experience in one or more of the following is a plus: data pipelines and scheduled batch jobs (such as Airflow); cloud engineering; marketing orchestration or ad tech tools; social analytics; attribution or marketing mix modeling; brief writing; business casing; customer segmentation and modeling; test-and-learn programs; customer journey or experience planning; tagging, tracking, and taxonomy; team management or mentoring.

Responsibilities:

• Well ask you to lead projects end to end, direct junior analysts, and help shape data-led strategies across channels for one flagship client or multiple accounts.
• Youll support new business growth and help drive best practices across our team.
• You may deliver and manage ongoing test-and-learn plans for clients omnichannel marketing activities.
• You may lead strategic initiatives that use clients first-party data to inform above-the-line media buys.
• You may lead data capture initiatives that help clients improve the quality and volume of their business data.
• You may use our AI tools to support ongoing creative optimization programs.
• You may create multivariate customer segments and measure the impact of marketing on those audiences.

Technologies:

• AI
• Airflow
• AWS
• Azure
• Cloud
• GCP
• Support
• Marketing
• Python
• SQL
• Salesforce

More:

Our Data Analytics team at RAPP is part of our wider Marketing Sciences team and helps clients market and run their businesses more effectively through data-driven decisions and measurable results. As a Senior Analyst, youll work on varied client challenges where data is a strategic priority, joining a supportive group of more than 30 talented colleagues. We value autonomy, collaboration, and input from everyone on how our team works and what we deliver. This is a full-time role based in London, United Kingdom. Omnicom requires employees to work in the office at least three days per week, unless their agency or manager directs additional in-office days; this requirement may increase over time, and some agencies already require five days. Were committed to developing exceptional talent and building inclusive teams.

last updated 40 week of 2026