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 competitive pay, health plans, discounts, and a supportive work culture.
- Other info: Collaborative environment with opportunities for growth and learning.
- Why this job: Make a real impact by shaping the future of technology in health and wellness.
- Qualifications: 5-8 years in SRE or cloud infrastructure with strong coding skills.
The predicted salary is between 60000 - 80000 £ 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 & 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
- 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.
We Offer
- A modern engineering culture built on autonomy, experimentation, and learning.
- The chance to create real impact across critical customer and internal platforms.
- A collaborative team that values innovation, continuous improvement, and technical excellence.
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 AND MORE!
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.
Holland & Barrett does not accept unsolicited resumes from search firms/recruiters. Please do not forward resumes to our job alias, employees, or any other company location. Holland & Barrett is not and will not be responsible for any fees if a candidate submitted by a search firm/recruiter unless otherwise agreed with respect to specific open position(s).
Apply now and help shape the future of H&B Technology.
Lead Site Reliability Engineer employer: hackajob
At Holland & Barrett, we pride ourselves on fostering a modern engineering culture that champions autonomy, innovation, and continuous learning. As a Lead Site Reliability Engineer, you'll not only have the opportunity to shape resilient systems that impact millions but also benefit from a comprehensive wellbeing package, generous discounts, and extensive learning opportunities that support your professional growth. Join us in our mission to make health and wellness accessible to everyone while working in a collaborative environment that values diverse perspectives and technical excellence.
StudySmarter Expert Advice🤫
We think this is how you could land Lead Site Reliability Engineer
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at hackajob or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to hackajob.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like hackajob.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like hackajob that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Lead Site Reliability Engineer
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at hackajob.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at hackajob and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at hackajob
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If hackajob uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
