Senior Marketing Manager (Senior Performance Marketing Manager) in Watford

Hybrid role, Croxley Park, Watford

Are you ready to lead performance marketing at scale, shaping the future of digital growth across two of the UKs most iconic jewellery brands? Samuel and Ernest Jones are on a journey of transformation and growth. As part of Signet Jewelers, the worlds largest retailer of diamond jewellery, we are continuing to invest in our digital capabilities, recognising performance marketing as a critical driver of our future success.

The opportunity:

• As Head of Performance Marketing, you will take ownership of our end-to-end digital acquisition and performance media strategy, driving profitable growth across ecommerce and omnichannel.
• You will lead a talented in-house team, manage a multi-million-pound media budget, and work cross-functionally to ensure we reach customers in the right place, at the right time, with the right message.
• This is a high-impact leadership role where strategy meets execution, perfect for someone who thrives in a fast-paced, commercially driven retail environment.

Core responsibilities include:

• Define and deliver a best-in-class performance marketing strategy.
• Lead and optimise the full channel mix including Paid Search, Paid Social, Programmatic, Affiliates, SEO and emerging platforms.
• Drive profitable growth in traffic, customer acquisition, ecommerce revenue, and omnichannel performance.
• Own and manage a multi-million-pound marketing budget, ensuring strong ROI and efficient media investment.
• Use data, attribution models, and incrementality testing to continuously optimise performance.
• Partner with Ecommerce, CRM, Brand, Analytics and Retail teams to deliver joined-up, customer-first campaigns.
• Identify and unlock new growth opportunities, technologies and innovation across the digital landscape.
• Build, lead and develop a high-performing performance marketing team, alongside managing key agency and platform partners (Google, Meta, affiliates and more).
• Increased contribution from digital to omnichannel sales.

What we are looking for:

• Proven leadership experience in performance marketing or digital acquisition, ideally within retail, ecommerce, luxury or a fast-paced agency environment.
• Expertise across paid media channels, SEO, attribution and full-funnel optimisation.
• Strong commercial acumen with experience managing significant media budgets.
• Advanced analytical capability, with experience using tools such as GA4, Adobe Analytics, Power BI or similar.
• A passion for data-driven decision-making, innovation and continuous testing.

We offer a fantastic job and more:

• Competitive salary.
• Generous discount of up to 30% off our fabulous products from day one.
• An annual enhanced discount to celebrate the day you joined our team.
• Retirement Savings plans which offer flexibility in the way you save for the future.
• Immediate Life Assurance from day one.
• A minimum of 22 days holiday per year which increases after a years service.
• Recognised qualifications, study support and structured career progression.
• Health and Wellbeing Scheme.
• Financial Wellbeing scheme.
• Real Rewards - exclusive discounts on groceries, travel and leisure.

But that’s not all, we are part of the worlds largest retailer of diamond jewellery with approximately 2,800 stores. Samuel & Ernest Jones is an equal opportunity employer committed to diversity and inclusion. We welcome applications from all sections of the community and are proud to have achieved Disability Confident Committed status (Level 1).