Senior Infrastructure Engineer - Observability

About the Role

Join Aircall as a Senior Infrastructure Engineer specializing in Observability to own and evolve our critical monitoring, alerting, and tracing stack. This is an exciting opportunity to drive best practices across a rapidly scaling, AI-powered customer communications platform used by thousands globally.

Responsibilities

• Develop comprehensive observability best practices, defining standards for metrics, traces, and logs while optimizing for cost and actionability.
• Automate monitoring setup and provisioning using Infrastructure-as-Code tools, specifically leveraging the Terraform Datadog provider.
• Continuously refine alerting hygiene by tuning thresholds and implementing intelligent noise reduction strategies aligned with business impact.
• Collaborate strategically with backend, frontend, and infrastructure teams to define clear SLIs/SLOs and integrate observability into CI/CD pipelines.
• Research, evaluate, and integrate advanced observability tools, including exploring OpenTelemetry adoption.

Requirements

• 3-5 years of experience in observability within SRE, DevOps, or platform engineering roles.
• Strong hands-on experience with Datadog (dashboards, monitors, APM, RUM).
• Proficiency with Terraform or other Infrastructure-as-Code tools.
• Solid understanding of Kubernetes, microservices, and cloud infrastructure (EKS, AWS networking).
• Strong scripting skills (Python, Bash, or similar).
• Proven experience defining and managing SLIs/SLOs and service-level observability frameworks.

Nice-to-Haves

• Experience with incident management and on-call processes.
• Knowledge of logging pipelines (e.g., FluentBit, Logstash).
• Experience working in high-scale SaaS environments.
• Previous experience in developer enablement or platform teams.