Site Reliability & Observability Engineer - Datadog/Azure

Site Reliability & Observability Engineer/Datadog - Synthetic Monitoring, APM, RUM, Log Management, SLO's, Alerting/Azure/Azure DevOps/Cloudflare/6-month contract/Hybrid - West Midlands/Remote/£450 - 600 per day Inside IR35.

One of our leading clients is seeking a Lead Site Reliability & Observability Engineer to build and operate a world-class monitoring, synthetic testing, and reliability platform.

Location - West Midlands/Remote - 5 days per week with 1-2 days per week onsite

Duration - 6 months +

Day rate - £450 - 600 per day Inside IR35

This role will lead the implementation of Datadog across Azure and Cloudflare, creating a comprehensive early warning system that continuously validates APIs, integrations, and customer user journeys in production.

Key Responsibilities:

• Own and evolve the Datadog observability platform.
• Design and maintain synthetic monitoring for critical API and UI workflows.
• Build continuous production validation covering business-critical customer journeys.
• Integrate monitoring, testing, dashboards, and alerting into Azure DevOps and GitHub pipelines.
• Develop monitoring-as-code and testing-as-code practices using Terraform.
• Create actionable dashboards, SLOs, SLIs, alerts, and anomaly detection.
• Integrate Datadog with Azure, Cloudflare, and modern SaaS architectures.
• Drive reliability, performance, and root-cause analysis across production systems.

Required Experience:

• Strong hands-on Datadog expertise, including:
  • Synthetic Monitoring
  • APM
  • RUM
  • Log Management
  • SLOs and Alerting
  • Experience operating large-scale global SaaS platforms.
  • Deep Azure experience.
  • Experience integrating Cloudflare services.
  • 'strong CI/CD experience with Azure DevOps and GitHub.
  • ?Expertise in API, integration, and browser-based testing.
  • Infrastructure as Code experience using Terraform.
  • Experience with distributed systems, microservices, and cloud-native architectures.

Desirable:

• Datadog certifications.
• Azure certifications.
• Cloudflare administration experience.
• Background in Site Reliability Engineering (SRE) or Platform Engineering leadership roles.