Senior Marketing Analyst

Department: Digital

Employment Type: Permanent - Full Time

Location: Head Office, Chelsea House

DescriptionA data-driven, highly analytical Senior Marketing Measurement Analyst to lead the evaluation and optimisation of our marketing effectiveness across all channels. This role plays a pivotal part in shaping marketing strategy by providing clear, actionable insights into campaign performance, customer behaviour, and return on investment.  The ideal candidate brings hands-on expertise with major marketing platforms (paid search, paid social, programmatic, affiliates, email, and CRM) and understands how to connect the dots across the full customer journey. This role will work closely with the marketing, CRM, digital, and finance teams to enable smarter decision-making through robust reporting and performance analysis.     

Responsibilities:\n\nOwn end-to-end marketing performance measurement, delivering insights across paid, owned, and earned channels. \nBuild and maintain dashboards and reports that clearly communicate campaign effectiveness, ROI, and key KPIs (CAC, LTV, retention, attribution, etc.). \nAnalyse and interpret data from platforms such as Google Ads, Meta Ads, TikTok, Google Analytics (GA4), email/CRM systems (e.g., Salesforce, Klaviyo), and affiliate networks. \nPartner with CRM teams to evaluate lifecycle marketing performance, segmentation, and audience strategy. \nWork with marketing and media teams to test, measure, and optimise channel mix and budget allocation. \nSupport advanced attribution modelling and MMM (Marketing Mix Modelling) initiatives where applicable. \n Translate complex data into simple insights and recommendations for non-technical stakeholders. \nIdentify marginal gains and performance levers across channels and customer touchpoints. \nEnsure data quality, consistency, and integrity across all marketing and CRM systems. \nMonitor marketing KPIs on a daily/weekly basis and proactively flag performance issues or opportunities. \nSkills:\nStrong of experience in marketing analytics, ideally in a fast-paced eCommerce, retail, environment. \nDeep understanding of multi-channel marketing performance and platforms – across paid search (Google), paid social (Meta), display, affiliates (AWIN), SEO, and CRM. \nAdvanced proficiency in Excel/Google Sheets and analytics tools such as Google Analytics (GA4), Looker Studio, Tableau, or Power BI. \nExperience with data extraction using SQL or familiarity with data warehouses (BigQuery, Snowflake)  \nStrong knowledge of attribution models and customer lifecycle metrics (CAC, LTV, churn, etc.). \nHigh attention to detail, accuracy, and a passion for uncovering insights in complex datasets. \nAbility to clearly communicate insights to stakeholders at all levels and influence marketing strategy. \nComfortable managing multiple projects simultaneously and working with both technical and creative teams. \n

About Us We’re a much-loved brand with an exciting future. Our Islanders are a diverse bunch of bright, talented people who love working together – and are proud of the work they do.  Progression here can take you in all kinds of directions. This is what a career at River Island is like. And this is where yours starts.

This role is based at our Head Office in West London.