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.
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