Senior Analytics Lead — Performance Marketing

Harnham; Watford; On-site; GBP 60,000 - 90,000; Full time

Job summary

Harnham is seeking a Senior Analyst, Performance Marketing to own analytics that support marketing effectiveness, ROI optimisation, and media investment decisions. You will deliver deep-dive analyses and build automated reporting to drive data-driven decisions.

You will collaborate with marketing, CRM, data, and technology teams to translate business questions into analytical products and ensure measurement quality across campaigns and MMM initiatives.

Qualifications

• Strong experience in performance marketing analytics or marketing analytics.
• Advanced SQL skills for data extraction, analysis, and reporting.
• Experience using Python or R for analytics delivery and automation.
• Strong understanding of paid media measurement, attribution, and marketing effectiveness.
• Experience building analytical products, dashboards, datasets, and measurement frameworks.
• Ability to translate business requirements into actionable analytical solutions.
• Experience working with marketing stakeholders and external media agencies.
• Understanding of Marketing Mix Modelling and econometric approaches; MMM experience desirable.
• Strong communication skills for presenting complex findings to non-technical stakeholders.

Responsibilities

• Deliver deep-dive analysis across paid media channels, campaigns, audiences, and customer performance.
• Build reusable datasets, dashboards, analytical models, and automated reporting solutions.
• Support ROI and ROAS optimisation through actionable insight and recommendations.
• Translate business questions into analytical products and measurement frameworks.
• Partner with marketing stakeholders, CRM teams, and media agencies to improve campaign effectiveness.
• Support Marketing Mix Modelling programmes through data preparation, validation, and interpretation of outputs.
• Evaluate attribution methodologies and understand the difference between attributed and incremental impact.
• Work closely with data engineering, product, and technology teams to improve measurement capability and data quality.
• Drive adoption of analytics and influence marketing decision making through stakeholder engagement.

Skills

Performance analytics

SQL

Python/R

Marketing measurement

Dashboards

Stakeholder comms

MMM knowledge

Job description

Harnham is seeking a Senior Analyst, Performance Marketing to own analytics that support marketing effectiveness, ROI optimisation, and media investment decisions. You will deliver deep-dive analyses and build automated reporting to drive data-driven decisions.

You will collaborate with marketing, CRM, data, and technology teams to translate business questions into analytical products and ensure measurement quality across campaigns and MMM initiatives.