Senior Media Manager

Location: London, hybrid 2-3 days per week in office
Salary: From £53k + & 10% discretionary bonus
Level: Senior Manager-level, partnering with major agency teams and helping shape the future rollout of RMX.

Who are we?

We’re the original pioneers in connected commerce marketing. Since 2008, we’ve been partnering with major retailers, powering global brands, and building meaningful connections with shoppers.

We simplify the mind-boggling complexity of today’s retail media landscape. We deliver impactful campaigns that connect with people where it matters. We create seamless and personalised shopping experiences. Above all, we deliver amazing results for our partners, driven by our unshakeable desire for growth. Time after time, we change the game. SMG is home to a world-class suite of commerce advertising capabilities powered by data and cutting-edge technology. We constantly push ourselves, our tech and our industry to discover innovative new ways to connect, sell and grow.

About the role

We are looking for a Senior Media Manager to join our RMX team at SMG . In this role, you'll become the trusted media expert helping agency partners successfully adopt and use RMX to discover, book, buy and manage retail media across multiple retailer partners. You'll work closely with our first BETA agency partner, embedding yourself within their teams, supporting live campaigns, gathering product feedback and helping shape the future of the RMX platform.

If you love variety, thrive in a fast-paced environment, and embrace change with energy, this could be your right role. Learn more about RMX HERE

What You'll Be Doing

Your days will be dynamic. You might find yourself:

• Acting as the day-to-day RMX expert and trusted partner within a major BETA agency.

• Onboarding, training and supporting agency users to successfully use the RMX platform.

• Managing campaigns from brief through booking, delivery and measurement.

• Advising agency teams on suitable retail media opportunities across multiple retailer partners.

• Identifying adoption barriers and helping improve user experience.

• Gathering product feedback and translating agency needs into actionable recommendations for Product, Engineering and CX teams.

• Becoming an expert in RMX and supporting new feature testing and platform improvements.

• Supporting campaign operations, commercial processes and financial accuracy.

• Helping shape scalable processes, training materials and operating models for the wider rollout of RMX.

What we’re looking for

You'll bring:

• Strong retail media planning, buying and campaign management experience.

• Experience working with agency planning and buying teams.

• Excellent understanding of retail media propositions, formats, audiences and pricing models.

• Confidence advising planners and buyers on the best media opportunities.

• A commercial mindset with strong numerical and financial understanding.

• A passion for technology and curiosity about improving media buying through digital products.

• A calm, pragmatic approach to solving problems in fast-changing environments.

We're looking for people who enjoy the buzz of change, the satisfaction of building something better, and the joy of working with a close-knit, values-driven team. If you love variety, thrive in a fast-paced environment, and embrace change with energy, this could be your right role.

Don’t meet every single requirement? We still want to hear from you. If you believe you’d thrive in this role, your unique perspective might be just what we’re looking for.

Why SMG?

At SMG, we hire for the future, which is fast-moving and changing shape. Do you have the potential to help shape our business? We’re looking for brilliant, diverse talent who want to grow with us - people who are curious, ambitious, and eager to learn, whether as specialists or across teams.

We value those who take ownership of their growth and bring fresh perspectives. That’s why we’re committed to equity, inclusion, and building a place where everyone feels empowered to grow. At SMG, it’s not just about filling a role but building the future together.

● 10% discretionary bonus

● £1,800 yearly wellbeing fund (on top of your salary!)

● Free Headspace subscription

● £500 yearly “Uni Fund” for learning

● 4 extra Wellbeing Days off per year

● Summer & Winter conferences + year-round celebrations

● 4pm finishes every Friday

● Flexible and hybrid working

Useful Links Before You Apply

Our full data retention policy can be found here .