Site Reliability Engineering Manager in City of Westminster

At Holland & Barrett, we believe the best ideas come from working together. That's why we offer hybrid working, with an expectation that you'll be based in either our Nuneaton or London office (or another designated location) for a minimum of 2 days per week.

Help shape the future of technology at Holland & Barrett. Behind every great digital experience is a platform people can depend on. As our SRE Manager, you'll play a pivotal role in building resilient, scalable and secure technology that supports millions of customers on their health and wellness journey. Leading a talented team of Site Reliability Engineers, you'll champion modern engineering practices, influence technology strategy and help create platforms that empower our teams to innovate with confidence. This is more than a leadership role—it's an opportunity to leave a lasting impact on one of the UK's most recognised wellness brands as we continue our technology transformation.

What you’ll be doing

• Lead, coach and inspire a high-performing team of Site Reliability Engineers.
• Shape and deliver our Site Reliability Engineering roadmap alongside the Head of Platform.
• Champion modern engineering practices including SLIs, SLOs, error budgets, observability and automation.
• Improve the reliability, scalability and performance of our cloud platforms and digital services.
• Partner with Engineering, Security, Data and Product teams to embed operational excellence from design through to production.
• Drive the adoption of our observability platform, helping teams gain deeper insight into the health and performance of their services.
• Lead incident learning, continuous improvement and automation initiatives that reduce operational toil.
• Provide technical leadership across AWS, Kubernetes, Infrastructure as Code, CI/CD and distributed systems.

What you’ll bring

• Experience leading Site Reliability Engineering, Platform Engineering, DevOps or Cloud Infrastructure teams.
• Strong technical expertise in cloud-native technologies, ideally within AWS.
• Experience operating and improving large-scale distributed systems.
• A passion for coaching, mentoring and helping engineers thrive.
• Experience driving observability, automation and operational excellence.
• The ability to build strong relationships and influence stakeholders across Engineering, Product, Security and Data.
• A pragmatic approach to balancing reliability, innovation and customer impact.

If you don’t meet every requirement but feel excited about the role, we’d still love to hear from you. We know that great people bring a variety of experiences and perspectives.

What’s in it for you?

• 33 days’ holiday, including bank holidays, plus the option to buy more.
• Private medical insurance (single cover).
• Annual bonus of up to 10% (subject to company and individual performance).
• £50 colleague product allowance to spend on Holland & Barrett products (after 6 months’ service).
• 25% colleague discount in store and online, with free delivery on online orders.
• Free Wellhub membership, with discounted access to gyms, fitness studios and wellbeing apps.
• 24/7 Virtual GP, annual at-home health testing kit, Employee Assistance Programme and Mental Health First Aiders.
• Cycle to Work scheme, plus cashback and discounts from hundreds of retailers.

Ready to make an impact? If you’re passionate about building reliable platforms, developing talented engineers and helping shape the future of technology at Holland & Barrett, we’d love to hear from you. Apply today and help us build technology that supports healthier lives for millions of people.

About Holland & Barrett

For more than 150 years, Holland & Barrett has been helping people take control of their health and wellbeing. Today, we’re combining that trusted heritage with modern technology, data and innovation to create exceptional experiences for our customers and colleagues. Guided by science and driven by purpose, we’re building a healthier future—and we’d love you to be part of it.

Inclusion & Accessibility

At Holland & Barrett, we know that diverse teams build better solutions. We welcome applications from everyone and are committed to creating an inclusive workplace where every colleague feels valued, supported and able to thrive. If you need any adjustments during the recruitment process, please let us know—we’ll be happy to support you.