Senior Platform Engineer - AWS- Kubernetes - PaaS
On site
London, United Kingdom
Full Time
07-03-2025
Job Specifications
We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes for us to feed the nation. The level of data, transactions and variety it involves. Then you’ll realise that ours is a modern software engineering environment because it has to be. We’ve made serious investment into a Tech Academy and into setting standards and principles. We iterate, learn, experiment and push ways of working such as Agile, Scrum and XP. So you can look forward to awesome opportunities in everything from AI to reusable tech.
As a Senior Platform Engineer in the Cloud PaaS team, you will contribute to the development, delivery and operation of a modern self-service Kubernetes platform, which serves the needs of hundreds of developers across numerous application teams. Enabling Sainsbury’s to deliver a great shopping experience to 20M customers a week, in as fast, safe and efficient way possible. This is a fully distributed team and are based across the UK, the in office requirement would only be once a quarter and you could come into our London, Coventry or Manchester office.
It is the PaaS’ team’s responsibility to build and operate a compelling internal Platform product, ensuring we offer capabilities to meet the needs of our customers; the application teams. We leverage many modern cloud native technologies as part of our PaaS product, including; EKS, Helm, Istio, Flux, Terraform and GitHub Actions (to name a few) but we aim to make technology choices that complement our existing ecosystem and crucially add value, not because they are new and shiny.
You’ll be a role model for best practices, championing a customer centric mindset and a passion for finding creative ways to solve problems, as well as mentoring fellow engineers as a progressive member of the engineering community. We’d also like you to be yourself – analytical, curious and unafraid to challenge the status quo.
More About The Role
You’ll be part of a team that owns the architecture, development and operation of a large-scale PaaS responsible for hosting containerised workloads in the cloud.
You’ll work with the team to implement the product technical roadmap for Sainsbury’s strategic PaaS
You’ll work with technologies at Enterprise scale
You may be asked to participate in out of hours support and should aim to build reliability and fault tolerance into the product, as well as engineering systems that are simple to diagnose and fix.
You’ll guide, support and enable performance within the team through providing technical knowledge and ideas
More About You
Great expertise in modern Cloud engineering practices, including deep knowledge of system architecture, reliability engineering and DevOps principles.
Proven experience of cloud architecture, container orchestration, infrastructure as code and CI/CD
Proven ability to write code in one or more of our core languages (Typescript, Go, Python, Bash)
Self-driven and constantly striving to improve your team, division and peers
Drive for advocacy of agile/lean delivery methodologies
A passion for delivering solutions to customers, owning the whole SDLC and living the DevSecOps principles
Ideally, prior experience of developing and operating a self-service Platform-as-a-Service.
A passion for enhancing your knowledge and evidence of curiosity in emerging tech
Display pragmatism, empathy and understanding when interacting with team, stakeholders and customers.
Technologies we use
AWS
Kubernetes (EKS)
Istio
Terraform
Flux
Crossplane
Helm
ELK / EFK
Hashicorp Vault
GitHub Actions
Prometheus / Thanos / Grafana
New Relic
Kafka
OPA Gatekeeper
Typescript, Go, Python, Bash
As well as lots of on-the-job training and endless opportunities, you’ll get:
Colleague discount across our multi-brands – Sainsbury’s, Argos and Habitat
Holiday allowance
Bonus scheme
Pension plan
Special offers on gym memberships, restaurants, holidays, retail vouchers and more
Work-life balance is important to us, so we offer our colleagues as much flexibility as possible in line with the needs of their role. We trust them to decide how, where and when they work, combining remote and collaborative working with a flexible approach to hours, giving them plenty of time and space for life outside of work whilst delivering against our business goals.
We are committed to being a truly inclusive retailer, so you’ll be welcomed whoever you are and wherever you work. Around here, there’s always the chance to try something new - whether that’s as part of an evolving team or somewhere else across the business - and we take development seriously and promise to support you. We also recognise and celebrate colleagues when they go the extra mile and, where possible, offer flexible working. When you join our team, we’ll also offer you an amazing range of benefits. Here are some of them:
Starting off with colleague discount, you'll be able to get 10% off at Sainsbury's, Argos, TU and Habitat after 4 weeks. This increases to 15% off at Sainsbury’s every Friday and Saturday and 15% off at Argos every pay day. We've also got you covered for your future with our pensions scheme and life cover. You'll also be able to share in our success as you may be eligible for a performance-related bonus of up to 20% of salary, depending on how we perform.
Your wellbeing is important to us too. You'll receive an annual holiday allowance, and you can buy additional holiday. We also offer other benefits that will help your money go further such as season ticket loans, interest free car loan of up to £10k, cycle to work scheme, health cash plans, pay advance (where you can access some of your pay before pay day) as well access to a great range of discounts from hundreds of other retailers. And if you ever need it there is also an Employee Assistance Programme, you will also be eligible for private healthcare too.
Moments that matter are as important to us as they are to you which is why we give up to 26 weeks’ pay for maternity or adoption leave and up to 4 weeks’ pay for paternity leave.
Please see www.sainsburys.jobs for a range of our benefits (note, length of service and eligibility criteria may apply).
About the Company
Over 150 years old and still going strong, we’re the UK’s second-biggest retailer. Every day, the nation shops with us because they know they’ll get affordable, good food and excellent service. We focus on great value and convenient shopping across our family of brands, from Argos, Nectar and Habitat to Sainsbury’s Bank, Smart Charge and Tu. What’s next for Sainsbury’s? We've put food back at the heart of our business and we’re taking Sainsbury’s to the next level. We’re investing in technology and people and we’re thinki... Know more
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