Media Sales Administrator

Administrative Assistant London | Full-time | Hybrid

About dunnhumby 

dunnhumby is the global leader in Customer Data Science, helping the world's most ambitious retailers and brands put the customer at the heart of every decision. With nearly 3,000 experts across Europe, Asia, Africa and the Americas, we partner with iconic businesses like Tesco, Coca-Cola, Meijer, Procter & Gamble and Metro to turn data into growth, innovation and measurable value for their customers. Tesco Media Through Tesco Media, we work at the heart of retail media, partnering with Tesco, brands, media owners and agencies to deliver data-led media solutions at scale. About the Role We're looking for an Administrative Assistant who thrives in a fast-paced commercial environment and enjoys being the person who keeps everything running smoothly. Supporting Tesco Media's Sales Team, you'll play a key role in ensuring media campaigns, bookings, contracts, reporting and invoicing processes are delivered accurately and on time. This is a fantastic opportunity to build broad exposure across a growing retail media business, working with a wide range of stakeholders while contributing directly to the success of client campaigns. What You'll Be Doing You'll provide vital operational and administrative support to the sales function, helping drive efficiency and excellence across campaign delivery.

• Managing bookings, contracts, invoicing processes and routine system updates

• Supporting media campaign pipeline management and sales administration activities

• Assisting with audience creation, segmentation and campaign set-up requirements

• Coordinating campaign measurement and reporting activity following campaign completion

• Identifying opportunities to improve processes, ways of working and team efficiencies

What We're Looking For

• You'll be highly organised, detail-oriented and motivated by delivering great service to internal stakeholders.

• Exceptional attention to detail and accuracy when managing information and processes

• Strong Microsoft Office capability, particularly across Excel and PowerPoint

• Energy and enthusiasm for supporting a busy commercial team

• Confident communication and relationship-building skills across multiple stakeholders

• Ability to manage competing priorities while maintaining high-quality delivery

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. 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 your recruiter know what adjustments would help.

UK Benefits

• Flexible allowance and private medical insurance

• Life assurance, income protection and critical illness cover

• Pension scheme with employer matching contributions up to 7.5%

• Employee assistance programme and wellbeing resources

• Car leasing options and additional lifestyle benefits for eligible colleagues

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. For further information about how we collect and use your personal information please see our Privacy Notice which can be found