Transformation Manager (12-month FTC) in London

dunnhumby is the global leader in Customer Data Science, partnering with the world’s most ambitious retailers and brands to put the customer at the heart of every decision. We combine deep insight, advanced technology, and close collaboration to help our clients grow, innovate, and deliver measurable value for their customers. dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Nestlé, Unilever and Metro.

Tesco Media is the ultimate media partner to brands. Built on unrivalled customer insight, it’s a media owner with soul, scale, and storytelling power. Tesco Media helps brands and agencies connect meaningfully with customers, drive creative effectiveness, and grow at the point of purchase. Through Tesco, the UK’s largest grocery retailer with over 24 million Clubcard households - representing nearly every home in the UK - Tesco Media offers brands an unparalleled view into the motivations and behaviours of the nation. It is perfectly positioned to solve business’s greatest marketing challenges, unlocking growth by enabling brands to connect with customers in meaningful ways online, in-store and via its offsite partners, all while enhancing the shopping experience for its customers.

We’re looking for a Media Transformation Manager who expects more from their career. Sitting within the Tesco Retail Media Transformation team, this role plays a critical part in delivering complex, cross‑functional initiatives that enable Tesco Media to scale, innovate and continuously improve how we operate. You’ll lead transformation programmes spanning digital change, operational excellence and performance measurement — turning strategy into action and delivering measurable, sustainable value for the business.

What you’ll be working on

• Delivering transformation initiatives: Lead the scoping, mobilisation, delivery and benefit realisation of complex transformation programmes. Translate strategic priorities into clear, actionable plans that drive long‑term impact.
• Programme and project management: Own end‑to‑end programme delivery, ensuring scope, timelines, budgets and dependencies are effectively managed. Develop and maintain high‑quality documentation, including briefs, PIDs, programme plans and governance artefacts.
• Stakeholder engagement and leadership: Act as a trusted bridge between senior leadership and delivery teams, ensuring clear communication, alignment and timely decision‑making. Build strong cross‑functional relationships and remove silos to keep initiatives moving at pace.
• Performance measurement and insight: Define and track success metrics to measure the impact of transformation initiatives. Regularly communicate progress, outcomes, risks and blockers to senior stakeholders.
• Risk and change management: Proactively identify, assess and mitigate risks, ensuring compliance and continuity of delivery. Support teams through change, embedding new ways of working and ensuring sustainable adoption.

What we expect from you

• Experience & expertise: Proven experience delivering complex transformation programmes in a fast‑paced, matrixed environment. Strong programme and project management capability, with experience managing multiple workstreams and dependencies. Demonstrated success driving operational or digital change with measurable business outcomes.
• Skills & behaviours: Excellent stakeholder management and influencing skills, with the confidence to work at senior levels. Strong commercial and analytical mindset, able to balance strategic thinking with hands‑on delivery. Clear, confident communicator with the ability to simplify complexity and drive alignment. Comfortable navigating ambiguity and adapting plans as priorities evolve.
• Desirable: Experience in media, retail, digital or data‑led environments. Familiarity with performance measurement frameworks and benefits realisation. Exposure to change management methodologies.

Why join Tesco Media?

• Be part of a high‑growth media business with access to one of the richest customer datasets in the UK.
• Work on high‑profile initiatives that directly shape how Tesco Media operates and scales.
• Collaborate with talented, passionate people who value curiosity, clarity and impact.
• Enjoy opportunities for learning, development and career progression in a supportive, inclusive environment.

What you can expect from us

We won’t just meet your expectations. We’ll defy them. So you’ll enjoy the comprehensive rewards package you’d expect from a leading technology company. But also, a degree of personal flexibility you might not expect. Plus, thoughtful perks, like flexible working hours and your birthday off. You’ll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn. And we don’t just talk about diversity and inclusion. We live it every day – with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One, dh Enabled and dh Thrive as the living proof.

We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you.

Our approach to Flexible Working

At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work. We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process.