Senior Performance Marketing Analyst

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

This is an excellent opportunity for a Senior Analyst with a passion for performance marketing, marketing effectiveness, and data-driven decision making. You'll join a business undergoing significant digital transformation, working at the intersection of analytics, media performance, customer behaviour, and commercial strategy, with direct influence on marketing investment decisions.

The Company

This organisation is a large consumer-focused business operating at significant scale across multiple European markets. They are investing heavily in data, analytics, and digital capabilities to enhance customer experiences and drive commercial performance.

The analytics function plays a critical role in shaping marketing strategy and optimisation. Working within a collaborative environment, you'll partner with marketing, CRM, data, and technology teams to deliver measurable business impact through advanced performance measurement and insight generation.

The Role

As a Senior Analyst, Performance Marketing, you will own the development and delivery of analytics that support marketing effectiveness, ROI optimisation, and media investment decisions.

Key responsibilities include:

• Delivering deep-dive analysis across paid media channels, campaigns, audiences, and customer performance
• Building reusable datasets, dashboards, analytical models, and automated reporting solutions
• Supporting ROI and ROAS optimisation through actionable insight and recommendations
• Translating business questions into analytical products and measurement frameworks
• Partnering with marketing stakeholders, CRM teams, and media agencies to improve campaign effectiveness
• Supporting Marketing Mix Modelling programmes through data preparation, validation, and interpretation of outputs
• Evaluating attribution methodologies and understanding the difference between attributed and incremental impact
• Working closely with data engineering, product, and technology teams to improve measurement capability and data quality
• Driving adoption of analytics and influencing marketing decision making through stakeholder engagement

Your Skills & Experience

To be successful in this role, you will have:

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

What They Offer

• Exposure to advanced marketing measurement, attribution, and econometric methodologies
• Clear opportunity to influence business performance through data-driven decision making