Job description

Job description

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Senior Site Reliability Engineer (19478)

About Engineering at Holland & Barrett

We are on a mission to make health and wellness a way of life for everyone – and technology is at the heart of our future to become a leading omnichannel retailer. We are building some great products, and we are investing in the rapidly advancing technology that is helping our customers meet their health and wellness goals. We are delivering more speed in the retail experience, greater convenience in service and delivery, and increasing personalization in our brand and product propositions, both in-store and online. 

The Role

As a Senior Site Reliability Engineer (SRE), your role will be to evangelize and continuously improve H&B's Software Lifecycle and ensure the infrastructure we deliver are in a continuous state of improvement, embracing automation, and testing. We operate within a cloud-native environment and have a mature DevOps Chapter that you will be working closely with to achieve reliability to DevOps velocity.  

Does this sound like you?

  • You enjoy adopting an SRE champion role across infrastructure and application improvements, ensuring the stability, resilience, and scale of services through automation, observability, and engineering practices. 
  • You are a passionate expert working across system operations, cloud infrastructure, pipeline engineering, software development, and performance testing. 
  • You thrive when working with like-minded Developers, Third Parties, and SRE colleagues. 
  • You jump at the opportunity to collaborate across a variety of Technology teams to support the adoption of capacity and performance metrics being embedded in our CICD pipelines.
  • You have the drive and curiosity to trial new software and create innovative ways to improve reliability while enabling engineers to deliver at pace.
  • You enjoy working across a variety of application technologies as well as Cloud, CDN, and traditional Webhosting
  • You have the tenacity to conduct root cause analysis for underlying issues and incidents that affect system performance and availability, identifying and resolving errors to minimize re-occurrence.
The Person

We are seeking an experienced Engineer who can work closely with our development squads and be jointly responsible for the health of our sites and services. The ideal person will have knowledge and experience in many of the following:

  • Monitoring tools and instrumentation, Datadog, or similar observability platforms
  • AWS expertise; familiarity with core services
  • Software development or strong scripting experience including but not limited to Golang, Python, or Bash.
  • PagerDuty, Slack, and related tooling integrations
  • Good understanding of traditional operations areas such as Linux, storage, networking
  • Good familiarity with Docker and Kubernetes
  • Continuous delivery, build pipelines, artifact repositories, zero-downtime deployment
  • Infrastructure as Code, particularly using Terraform
  • Experimentation strategies, A/B testing, and Canary releases
  • Proving resilience and scalability using load and stress testing
  • CDNs and strong knowledge of web delivery protocols
  • Experience in incident management and post-mortems 




  • We operate virtually. Remote, hybrid or in our tech hubs – we work around the way you want to work.
  • We offer a 10% bonus for our tech teams – when we win, so do you
  • Learn from the best – at H&B you will have the opportunity to enhance and expand your skills and shape your career
  • We want you to produce your best, so we provide you with the best tech equipment - yes we use Macs and yes we use Slack
  • Stay healthy with a 25% discount on all product ranges to help you live well 
  • We like to recognise and celebrate our people with our Colleague Recognition Scheme, so your hard work won't go unnoticed 


About Holland & Barrett

Holland & Barrett is one of the nation's most loved and trusted brands, known for offering quality health food, vitamins and supplements all sold by highly trained and qualified advisors. 

Bucking the current trend of high street retailers, we forecast significant growth and expansion plans in the coming years, with considerable investment going into all areas of the business. We certainly embrace change and drive speed in everything we do. Every day presents a different challenge, but every day is also filled with fun, teamwork, and passion to succeed and surpass every expectation. 

Our culture respects equality, values diversity and encourages individuality – because this allows our people to unlock their potential and be their best. We welcome everyone who shares our EPIC values regardless of background, culture, disability, ethnicity, gender identity or sexual orientation. 

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Head office - London
33 Cavendish Square, London, United Kingdom, W1G 0PW
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