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 post mortems
* 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.