Senior Site Engineer

Senior Site Engineer Manchester (Hybrid/Flexible Working) Full-Time | Up to £80,000 DOE + Excellent Benefits A high growth tech business is seeking a Senior Site Reliability & Platform Engineer to help scale its infrastructure and improve developer experience across the organisation. This is a key role within a modern, cloud-native environment where you’ll combine SRE principles (reliability, observability, incident response) with cutting-edge platform engineering (GitOps, IaC, DevSecOps). You'll play a critical part in enabling product teams to ship faster, more securely, and cost-effectively — while owning the health and evolution of the platform itself. Responsibilities: Architect and operate scalable, secure infrastructure in Azure (AKS, Functions, SQL, Cosmos DB, etc.) Apply SRE best practices: SLOs, alerting, observability, and incident management Build and maintain Infrastructure as Code (Terraform, v1.7+) and GitOps workflows Enhance CI/CD pipelines (Azure DevOps) with security scanning, automation, and progressive delivery Develop reusable tooling, modules, and self-service capabilities for development teams Improve monitoring across systems using tools like Datadog, Grafana, ELK, and synthetic checks Participate in the on-call rota and lead incident response and postmortems Promote FinOps best practices and cost optimisation strategies Contribute to internal platform governance, documentation, and coaching Experience required - Non negotiables: Extensive experience with Azure services, including AKS, Azure Functions, SQL Database, and Cosmos DB Proficient in Infrastructure as Code using Terraform (v1.7+) Skilled in building and maintaining CI/CD pipelines, GitOps workflows, and automation scripting (PowerShell, Bash) Strong grasp of networking principles, including TCP/IP, load balancing, DNS, and routing Well-versed in DevSecOps methodologies, including security scanning, IAM, and RBAC implementation Hands on experience with FinOps practices such as resource tagging, budgeting, and cost optimization Proficient in managing both Windows and Linux operating systems Confident in supporting production environments, participating in on-call rotations, and collaborating across teams What You’ll Get: Up to £80,000 per annum Hybrid / flexible working 25 days’ holiday + bank holidays Personal development budget 35 hour working week If you're passionate about building scalable, reliable infrastructure and enjoy enabling others through smart platform design — this could be the role for you.