Senior AWS Engineer - AWS - Terraform - React/Typescript
Salary: Competitive Plus Benefits
Location: Holborn Store Support Centre and Home, London, EC1N 2HT
Contract type: Permanent
Business area: Sainsbury's Tech
Closing date: 26 May 2025
Requisition ID: 304018
Every week, we move millions of products to our customers at record speed. Delivering brilliant customer experiences at this pace requires fresh and appealing products to be available whenever and however our customers choose to shop. In this area of our business, we ensure that happens seamlessly.
We are looking for a Senior AWS Cloud Engineer to join and represent a team dedicated to delivering and managing the AWS Cloud Platform. Your work will ensure the scalability, reliability, security, and efficiency of the environments hosting Sainsbury’s applications.
Role Summary:
We are seeking an experienced Senior AWS Cloud Platform Engineer with a passion for AWS, Infrastructure as Code and automation to join our team. This role focuses on designing, delivering, and operating our AWS Cloud Platform that powers Sainsbury’s Services and Applications. You will play a pivotal role in ensuring our environments are scalable, reliable, secure, and cost-efficient, while driving continuous improvement across our cloud capabilities and help lead on the delivery of best in breed cloud services to Sainsbury’s.
What You’ll Do:Build and Run Scalable Infrastructure: Use cutting-edge tools and technologies to continuously deliver robust Cloud Infrastructure through Infrastructure as Code practices. Engage in the design, collaboration with Product Owners, our Engineering Community, Architects and Information Security to ensure that solutions help customers and achieve our business goals and objectives.
Discover and recommend ways to improve reliability and efficiency, with a keen eye on Governance and Security.
AWS Expertise: Strong experience with AWS services and tooling to design, deploy, and manage scalable infrastructure, including the building and management of serverless architectures.
Passion for Automation: A deep commitment to automation and modern DevOps practices, including CI/CD pipelines.
Infrastructure as Code: Hands-on experience with Terraform, CloudFormation, Serverless or similar tools for IaC.
Tooling and Innovation: Ability to develop custom tools or leverage open-source solutions to enhance platform efficiency and usability.
Enhance Cloud Platform Capabilities: Develop internal tools to improve platform performance, security, and cost-efficiency, enabling teams to work smarter. Deploy and configure production systems, with a particular focus on automation, ease of configuration, reduction of human error, repeatability, and security.
- Monitor new features/functionality and assess their operational implications to continuously improve services.
- Ensure Identity and Access Management controls are in place and strictly adhered to
- Monitor infrastructure by setting appropriate thresholds and react to event driven alerts appropriately.
- Produce and maintain documentation of support processes & resolutions to known operational issues
Collaborate Across Teams: Work with engineers, product and service across diverse platforms and technologies to create consistent, reliable, and reusable cloud solutions. Collaborate with other DevOps engineers to design, implement and evolve automated pipelines in the cloud. A proactive and collaborative mindset to work closely with stakeholders, engineers, and cross-functional teams.
Ensure Operational Excellence: Focus on delivering a platform that meets stringent security, availability, and performance requirements for critical applications. Participate in a 24/7 BAU and on call rotas as required to support our platform and the services that it offers.
What You Need to Know & Show:
- Have strong demonstratable understanding of AWS in an enterprise environment.
- Extensive experience with AWS services such as EC2, S3, RDS, VPC, Lambda, CloudFormation, IAM, CloudWatch, Route 53, and Networking.
- Proficiency in scripting languages, Python, JavaScript, TypeScript, NodeJS, ReactJS or similar tooling
- Substantial experience in Terraform, CloudFormation, AWS CLI/SDK, or similar automation tooling
- Experience working with Serverless architectures and technologies.
- Solid understanding of cloud networking concepts (e.g. VPC, subnets, routing, firewalls, load balancers).
- Experience in CI/CD pipelines, GitHub Actions, Code Pipeline, Code Build
- Front-End architecture and development SSR frameworks like Next.js, libraries such as React, Angular, or Vue.js.
- Experience of API integration using RESTful and GraphQL
- You will have experience of source and version control tools such as GitHub and preferably experience in GitHub Actions
- Strong automated testing and code quality assurance, through unit, integration and end-to-end tests. Using frameworks like Jest, Playwright, Mocha, Cypress to ensure high-quality application reliability and robustness
- Experience with containerisation tools and orchestration platforms, such as AWS Kubernetes Service (EKS), Elastic Container Service (ECS)
- Understanding of monitoring, security & compliance, using CloudTrail, CloudWatch, New Relic
- Experience in planning and implementing cloud disaster recovery strategies
- Strong troubleshooting skills for complex hybrid cloud platform issues.
- Strong collaboration and communication, working with cross-functional teams and external vendors, translating technical concepts
- Awareness of cloud cost optimisation, monitoring, alerting solutions to ensure cloud resources are running efficiently
- Proven cloud operations experience with strong best practice knowledge
- Strong mentoring skills, with effective workload management to contribute to the growth of your peers across all experience levels.
- Architect solutions for highly available, fault-tolerant, and scalable cloud environments
- Good understanding of Service Operations, SRE & ITIL responsibilities
- Experience of agile methodologies, frameworks, collaboration tooling (e.g. Jira, Confluence)
- Work with stakeholders to define requirements and create customised solutions that meet business objectives.
- You will be asked to participate in 24/7 out of hours support
- An up-to-date understanding of cloud technology and a general understanding of other technology bases
- A vision to build reliability and fault tolerance into products, as well as engineering systems that are simple to diagnose and fix.
Be part of a team at the forefront of Sainsbury’s Cloud Technology in the retail industry and work on exciting and impactful projects with the opportunity to shape the future of AWS Cloud Services within Sainsburys.
Collaborate with passionate, skilled professionals in an environment that values innovation and continuous learning.
If you’re ready to bring your technical expertise and creativity to build the future of Sainsbury’s cloud platform, we’d love to hear from you!
Alongside comprehensive on-the-job training and endless development opportunities, you’ll enjoy:
- Colleague discount across our multi-brands – Sainsbury’s, Argos and Habitat.
- Generous holiday allowance
- Bonus scheme to reward your contributions based on company and personal performance.
- Pension plan to help secure your future after qualifying period, the Pension Plan is available to join.
- Private Health Insurance - dependant on grade, but available to those colleagues that qualify.
- Special offers from Sainsbury’s “Love It” benefits scheme, such as discounts on gym memberships, restaurants, holidays, retail vouchers and more.
We value work-life balance and offer as much flexibility as possible, tailored to the needs of your role. You’ll have the freedom to decide how, where, and when you work, blending remote and collaborative working during Core Business hours alongside flexible hours. This approach ensures you have plenty of time and space for life outside of work while allowing you to be passionate about delivering on our business goals.
