Site Reliability Engineer: Build Scalable Cloud Platforms

Nextens; Greater London; On-site; GBP 65,000 - 110,000; Full time

Job summary

LexisNexis Risk Solutions is seeking a Site Reliability Engineer to design, build and operate cloud infrastructure across AWS and Azure from our London office. You will drive infrastructure as code, automation, and platform reliability practices to empower engineering teams.

Responsibilities include designing and maintaining IaC, managing Kubernetes clusters (EKS/AKS), building CI/CD pipelines with GitHub Actions, monitoring and observability, and cost optimization while ensuring security.

Qualifications

• Strong hands-on experience with cloud platforms (AWS & Azure ideally).
• Hands-on experience with Infrastructure as Code in production environments using Terraform or similar.
• Diagnose and resolve complex infrastructure issues across distributed systems.
• Experience building and maintaining CI/CD pipelines using GitHub Actions or similar.
• Able to write automation scripts using Go, Python, Bash or similar.
• Understanding of networking fundamentals (VPCs/VNets, load balancers, DNS, security groups/NSGs).
• Experience with secrets management and identity/access control (IAM, OIDC, Azure AD).
• Familiarity with observability tooling (Prometheus, Grafana, CloudWatch, Azure Monitor).

Responsibilities

• Design, implement and maintain infrastructure as code for use across cloud environments.
• Manage and operate Kubernetes clusters (EKS/AKS).
• Build and maintain CI/CD pipelines to automate build, test and deployment workflows.
• Own the reliability, security and cost-efficiency of cloud infrastructure.
• Troubleshoot and resolve infrastructure issues and fix root causes of issues at the source.
• Implement monitoring, logging and alerting solutions to ensure system observability.
• Collaborate with engineers and architects to improve platform documentation, standards and adoption.

Skills

Cloud platforms

Terraform

CI/CD

Scripting

Networking

IAM/Secrets

Observability

Tools

Terraform

GitHub Actions

Prometheus

Grafana

CloudWatch

Azure Monitor

Job description

LexisNexis Risk Solutions is seeking a Site Reliability Engineer to design, build and operate cloud infrastructure across AWS and Azure from our London office. You will drive infrastructure as code, automation, and platform reliability practices to empower engineering teams.

Responsibilities include designing and maintaining IaC, managing Kubernetes clusters (EKS/AKS), building CI/CD pipelines with GitHub Actions, monitoring and observability, and cost optimization while ensuring security.