Martech Manager (Data, Intelligence & Optimisation) - Open Cross-Brand Role

We're seeking a Martech Manager to play a key role in helping us understand our customers and create better experiences. You'll work across Marketing, Loyalty, Product, Engineering, Retail Media, Analytics and Data teams to unlock the value of our customer data and turn insight into action.

Responsibilities

Customer Data & Audience Strategy

• Help shape and evolve our customer data and audience capabilities to support business objectives and customer needs.
• Work with teams to improve how customer data is understood, governed and activated.
• Support the development of our Customer Data Platform (CDP) and audience management capabilities.

Customer Identity

• Help create a more connected understanding of our customers across channels and touchpoints.
• Work with Data, Product and Technology teams to ensure customer information is trustworthy, accessible and usable.

Data Enrichment & Customer Understanding

• Identify opportunities to improve customer understanding through internal and external data sources.
• Help teams develop richer audience insights and stronger segmentation approaches.

Measurement & Performance Insight

• Establish clear measurement frameworks and success metrics across Martech initiatives.
• Support consistent performance reporting and insight generation.

Attribution & Marketing Effectiveness

• Improve our ability to understand how marketing activity contributes to customer and business outcomes.
• Work closely with Analytics, Media, Retail Media and Marketing teams to improve decision making and investment effectiveness.

Experimentation & Optimisation

• Champion a culture of testing, learning and continuous improvement.
• Help teams design and measure experiments that improve customer experiences and business performance.

AI Enablement & Innovation

• Identify opportunities to leverage AI and emerging technologies across customer intelligence, audience management, optimisation and decision making.

Customer Intelligence

• Ensure data and insight are accessible, understandable and actionable.
• Improve the organisation's ability to understand customer behaviour, performance drivers and future opportunities.

Team Leadership

• Lead and develop a high-performing team of Martech specialists.
• Create an environment where people can learn, grow and do their best work.

Success Measures

• Improved customer data quality and trust.
• Increased audience scalability and utilisation.
• Greater adoption of customer intelligence capabilities.
• Improved measurement consistency and maturity.
• Stronger marketing effectiveness and optimisation outcomes.
• Increased experimentation and learning across teams.
• Practical adoption of AI-enabled capabilities.
• Clear business value generated through data and insight.
• Strong stakeholder confidence in decision making.
• Improved understanding of customer behaviour and performance drivers.

Requirements

• Genuine curiosity about customers and what drives their behaviour.
• Ability to balance analytical thinking with commercial understanding.
• Strong stakeholder management and influencing skills.
• Confidence translating complex information into clear and actionable insight.
• Passion for continuous improvement and learning.
• Ability to bring people together around data, evidence and opportunity.
• Strategic thinking combined with a pragmatic approach to delivery.
• Comfort working through ambiguity and bringing clarity to complex challenges.
• Strong communication skills and ability to tell compelling stories through data and insight.

Nice to Have

• Experience with Customer Data Platforms and audience management approaches.
• Knowledge of customer identity and data governance principles.
• Familiarity with analytics, measurement and performance frameworks.
• Understanding of attribution and marketing effectiveness methodologies.
• Experience with experimentation and optimisation techniques.
• Knowledge of AI and emerging customer intelligence capabilities.

Benefits

• Competitive salary
• Colleague discount: 10% off shopping online and in-store at Sainsbury's, Argos, TU and Habitat
• Pensions scheme and life cover
• Performance-related bonus of up to 20% of salary
• Annual holiday allowance
• Private healthcare
• Season ticket loans
• Interest-free car loan of up to £10k
• Cycle to work scheme
• Health cash plans
• Salary advance
• Access to discounts from hundreds of retailers
• Up to 26 weeks' pay for maternity or adoption leave
• Up to 4 weeks' pay for paternity leave