Site Reliability Engineer

Salary: £70,000 - 85,000 per year

Requirements:

• Proven commercial experience working as an SRE, DevOps Engineer, Platform Engineer, or similar
• Strong hands-on experience with AWS
• Strong experience working with Kubernetes
• Excellent experience with Terraform and Infrastructure as Code
• Strong experience building and managing GitHub Actions CI/CD pipelines
• Solid experience with monitoring and observability tooling
• Strong understanding of metrics, logging, tracing, alerting, and system health
• Experience troubleshooting complex production environments
• Understanding of SLIs, SLOs, SLAs, and error budgets
• Experience with incident management and root cause analysis
• Good understanding of cloud networking, security, and infrastructure fundamentals
• Strong scripting/automation skills
• A strong understanding of reliability, scalability, performance, and availability
• Excellent communication skills and the ability to work closely with software engineering teams
• A proactive mindset and genuine passion for automation and continuous improvement

Responsibilities:

• Design, build, and maintain highly available and scalable AWS infrastructure
• Manage and optimise Kubernetes environments and containerised workloads
• Build and maintain infrastructure using Terraform and Infrastructure as Code principles
• Develop and optimise CI/CD pipelines using GitHub Actions
• Build and improve comprehensive monitoring and observability across the platform
• Implement and maintain effective logging, metrics, tracing, alerting, and dashboards
• Define and improve SLIs, SLOs, and reliability metrics
• Proactively identify and resolve performance, availability, and reliability issues
• Lead and contribute to incident response, troubleshooting, and root cause analysis
• Automate operational processes and eliminate repetitive manual tasks
• Work closely with software engineers to improve deployment processes, system reliability, and developer experience
• Help improve platform resilience, scalability, and disaster recovery capabilities
• Contribute to capacity planning and performance optimisation as the platform scales
• Establish and champion SRE best practices across the wider engineering function

Technologies:

• AWS
• CI/CD
• Cloud
• DevOps
• GitHub
• Incident Management
• Kubernetes
• Security
• Terraform

More:

We are partnering with a fast-growing SaaS company that is going through an exciting period of growth and investing heavily in its engineering and platform capabilities. We are offering a Site Reliability Engineer role in Central London on a hybrid basis, with 2/3 days a week in the office, and a salary of up to £85,000 plus bonus and benefits. This is a hands-on opportunity to work with a modern AWS and Kubernetes environment, take ownership of reliability, automation, and platform performance, and have genuine influence over engineering and platform decisions as the business continues to scale. We work closely with talented software engineering teams and offer clear opportunities to progress while helping shape and mature our SRE practices.

last updated 35 week of 2026