At a Glance
- Tasks: Lead the design and improvement of resilient, high-performance systems for health and wellness.
- Company: Join Holland & Barrett, a tech-driven company focused on health and wellness.
- Benefits: Enjoy health benefits, a bonus scheme, discounts, and access to learning opportunities.
- Other info: Inclusive culture that values diverse perspectives and offers excellent career growth.
- Why this job: Make a real impact by shaping the future of technology in health and wellness.
- Qualifications: 5-8+ years in SRE or operational engineering with strong coding skills.
The predicted salary is between 80000 - 100000 £ per year.
About H & B
Own Reliability. Shape the Platform. Empower Millions. At Holland & Barrett, we're transforming into a truly product- and platform-led technology organisation — and we're looking for a Lead Site Reliability Engineer who's excited by scale, complexity, and impact. Our mission? Build and evolve the resilient, high-performance systems that power health and wellness for millions of customers. If you're obsessed with reliability, driven by automation, and thrive in high-ownership engineering cultures, this is your opportunity to lead from the front.
About the Role
What You'll Lead & Deliver
- Reliability & Performance at Scale
- Architect and improve cloud-native systems with reliability as a first-class principle.
- Shape SLIs/SLOs, error budgets, capacity planning, and performance strategies.
- Continuously evolve availability, efficiency, and resilience across our platforms.
- Technical Leadership That Raises the Bar
- Mentor SREs, platform engineers, and developers across the organisation.
- Champion automation, observability, DevSecOps, and modern operational practices.
- Influence engineering culture and architectural direction.
- Operational Excellence
- Own and lead high-severity incident response with calm, clarity, and technical depth.
- Run world-class post-incident reviews and drive meaningful, measurable improvements.
- Strengthen monitoring, alerting, on-call practices, and reliability processes.
- Support resilience validation through load testing, stress testing, and chaos engineering.
- Automation, Tooling & Engineering Efficiency
- Build tools and automation that remove toil and accelerate teams.
- Develop CI/CD pipelines and Infrastructure-as-Code environments.
- Drive consistency, repeatability, and self-service across engineering.
- Cross-Team Collaboration
- Partner with Security, Platform, and Engineering teams to align reliability with security and resilience goals.
- Lead teams toward better design, operational readiness, and measurable service health.
- Contribute to documentation, runbooks, and operational processes that scale.
Key Requirements
- 5–8+ years in SRE, Platform, Cloud Infrastructure, or operational engineering roles.
- Hands-on experience architecting and improving large-scale, distributed systems.
- Strong coding proficiency in Python, Go, Bash, or similar automation-focused languages.
- Expertise with observability stacks: Datadog, Prometheus, Grafana, OpenTelemetry.
- Deep AWS experience across EC2, EKS, Lambda, VPC, DynamoDB, S3, CloudFront, RDS, IAM, KMS, and more.
- Proficiency with Terraform, CloudFormation, or AWS CDK.
- Incident response leadership and root-cause analysis expertise.
- Excellent documentation and communication skills.
- Strong analytical and troubleshooting abilities.
Bonus
- Experience mentoring or leading engineers within SRE or platform teams.
- Experience with load testing, stress testing, and chaos engineering.
- A passion for uplifting engineering culture through tooling, automation, and reliability-first thinking.
Why Build the Future with Holland & Barrett?
Technology is at the heart of our mission to make health & wellness accessible to everyone. As a Lead SRE, you won't just keep systems running — you'll design the reliability, resilience, and operational maturity that accelerates our entire business.
What we offer:
- Wellbeing & Lifestyle Benefits
- Health Cash Plan
- Life Assurance
- Bonus Scheme - Based on company & personal performance
- Virtual GP
- Private Medical care
- FREE at-home blood test kit
- Holiday Purchase option
- Pension Contribution scheme
- Access to ‘Wellhub' with gyms, studios and wellbeing apps
- Discounts & Savings
- 25% Colleague Discount with FREE Standard Delivery
- Exclusive Discounts from a wide range of partners
- £/€50 Annual Product Allowance to spend in store
- Learning & Development
- Access to a variety of learning opportunities, including Level 2-5 Apprenticeships, Workshops and our Digital Learning Library
Holland and Barrett is an equal opportunity employer. We welcome diverse perspectives and are committed to creating an inclusive environment for all colleagues. We understand that when our colleagues are listened to, respected and valued for who they are, we build an organisation with belonging at its heart – making health and wellness a way of life for everyone.
Lead Site Reliability Engineer in London employer: 慨正橡扯
Holland & Barrett is an exceptional employer that prioritises employee wellbeing and professional growth, offering a comprehensive benefits package including health plans, life assurance, and generous discounts. Our collaborative and inclusive work culture fosters innovation and empowers employees to lead impactful projects in a technology-driven environment, making it an ideal place for those passionate about reliability and operational excellence.
StudySmarter Expert Advice🤫
We think this is how you could land Lead Site Reliability Engineer in London
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Holland & Barrett on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the interview by diving deep into their tech stack. Familiarise yourself with AWS services and observability tools they use. Show them you’re not just a fit for the role but also genuinely interested in their mission.
✨Tip Number 3
Practice your incident response scenarios. Be ready to discuss how you’d handle high-severity incidents calmly and effectively. They want to see your technical depth and leadership skills in action!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re serious about joining the team and shaping the future of H & B Technology.
We think you need these skills to ace Lead Site Reliability Engineer in London
Some tips for your application 🫡
Show Your Passion for Reliability:When you're writing your application, let your enthusiasm for reliability shine through! Share specific examples of how you've tackled challenges in SRE or operational engineering roles. We want to see that you’re not just skilled, but also genuinely excited about making systems more resilient.
Tailor Your Experience:Make sure to highlight your relevant experience in cloud-native systems and automation. Use the job description as a guide and align your skills with what we’re looking for. This helps us see how you fit into our mission of empowering millions through technology.
Be Clear and Concise:Keep your application straightforward and to the point. We appreciate clarity, so avoid jargon unless it’s necessary. Make it easy for us to understand your qualifications and how they relate to the role of Lead Site Reliability Engineer.
Apply Through Our Website:Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team at Holland & Barrett.
How to prepare for a job interview at 慨正橡扯
✨Know Your Tech Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, especially AWS services and observability stacks like Datadog and Prometheus. Brush up on your coding skills in Python or Go, as you might be asked to solve a problem on the spot.
✨Showcase Your Leadership Skills
Prepare examples of how you've mentored others or led incident responses in previous roles. Highlight your experience with post-incident reviews and how you’ve driven improvements in operational processes.
✨Demonstrate Your Problem-Solving Approach
Be ready to discuss your analytical and troubleshooting abilities. Think of specific instances where you tackled complex issues, particularly in high-severity incidents, and explain your thought process during those situations.
✨Align with Their Mission
Familiarise yourself with Holland & Barrett’s mission to make health and wellness accessible. Be prepared to discuss how your values align with theirs and how you can contribute to building resilient systems that empower millions.
