Head of Performance Marketing & Ecommerce Growth in Watford

Are you ready to lead performance marketing at scale, shaping the future of digital growth across two of the UK’s most iconic jewellery brands? At Signet UK & Ireland, home to H. Samuel and Ernest Jones, we’re on a journey of transformation and growth. As part of Signet Jewelers – the world’s largest retailer of diamond jewellery – we’re continuing to invest in our digital capabilities, recognising performance marketing as a critical driver of our future success. This newly evolved role reflects that commitment.

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’ll 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 across H. Samuel and Ernest Jones.
• 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).

What success looks like:

• Strong delivery of revenue, ROI/ROAS and traffic growth.
• Continued ecommerce growth and improved acquisition efficiency.
• Increased contribution from digital to omnichannel sales.
• A high‑performing, engaged team and best‑in‑class stakeholder collaboration.

What we’re 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.
• The ability to influence at all levels and bring teams together behind a shared growth agenda.

We are passionate about our profession, and together we can help you realise your full potential. Come and be part of Signet Jewelers and enjoy the following fantastic benefits:

• 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.
• Give As You Earn scheme – An easy way to support causes close to your heart.
• Real Rewards - exclusive discounts on groceries, travel and leisure.

Signet Jewelers (H. 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). All employment is decided on the basis of qualifications, merit and business need.