Site Reliability Engineer / Cloud Engineer
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Leighton: 33 years and counting. Experienced and agile. Trusted by some of the world’s biggest brands. We develop and deliver custom software. We use technology to make money, save money, create efficiencies, integrate systems, solve problems. To help our customers thrive. We have a pool of talent. To manage projects. Test to high standards. Create user experiences for every type of user. We include, include, include. Our service is personal. We know your name. We can do amazing things with tech. We’ve got the talent. We decide what’s best for our customer together.
Our Values
The Leighton culture defines how we do business and how we interact with our colleagues and customers. It makes us unique and provides us with a competitive advantage
- We act with honesty and truth, always!
- We collaborate to bring our purpose to life in a caring and supportive way
- We nurture our amazing people to be the best version of themselves
- Passionate about what we do, proud of what we achieve
- Our curiosity inspires the amazing
The Role
We’re hiring an experienced Cloud / Site Reliability Engineer
Working as part of a platform or SRE function, you’ll partner with engineering teams to deliver reliable services, improve observability, and establish best practices around infrastructure, deployment pipelines and service connectivity. The role is hands-on and suited to someone comfortable owning cloud platforms and improving operational maturity in a fast-paced environment.
Knowledge and Skills
- Build, operate and evolve cloud infrastructure on AWS
- Run and optimise container platforms using Amazon ECS
- Develop and maintain Infrastructure as Code using Terraform
- Manage API traffic and routing via Kong gateways
- Maintain DNS architecture using AWS Route 53
- Enable microservice discovery and connectivity using Cloud Map and ECS Service Connect
- Work closely with developers to create secure, scalable platform capabilities
- Improve CI/CD pipelines and infrastructure automation
What you'll bring
- Strong practical experience with AWS cloud platforms
- Hands-on knowledge of container orchestration with ECS
- Proven experience writing and maintaining Terraform-based infrastructure
- Experience managing API gateways such as Kong
- Good understanding of DNS and Route 53
- Experience supporting service discovery in microservice environments
- Solid knowledge of cloud networking fundamentals
- Familiarity with monitoring and observability tooling
- Experience working with Git-based development and automation pipelines
- Strong diagnostic and operational problem-solving skills
Great to have
- Experience with CI/CD platforms such as GitHub Actions
- Knowledge of container build optimisation and image management
- Understanding of IAM, secrets management and cloud security controls
- Exposure to distributed systems and high-availability architectures
Behaviours
- An open and genuine communicator
- Able to take responsibility for your actions
- Always learning and wanting to improve
- Takes responsibility for own development
- Love what you do
- Value and support your team
- Embrace who you are
- Open minded and willing to explore new ideas
What We Offer
We value our team and to attract exceptional people, we offer an excellent package! In 2024 we were recognised as one of the Best Workplaces in Tech by Great Place To Work UK, the global authority on workplace culture.
As a Leighton employee you can look forward to:
- A competitive salary this will be dependent on experience.
- A contributory pension scheme
- 25 days annual leave, plus bank holidays and the opportunity to buy or sell holiday
- A flexible approach to working hours
- Continuous personal development, career path and training
- And more....