Senior Site Reliability Engineer

Stack

Responsibilities

• ▹Lead the design of scalable, fault-tolerant and self-healing systems in a multi-region AWS environment
• ▹Define and track SLOs and SLIs to drive architectural decisions and error budget policies
• ▹Conduct blameless post-incident reviews to uncover systemic root causes and implement long-term preventive measures
• ▹Identify patterns of manual work and lead development of internal tools/automation to eliminate them
• ▹Develop and maintain automated runbooks and playbooks for operational tasks and incident response
• ▹Shift from simple monitoring to deep observability with high-cardinality, actionable data
• ▹Proactively identify and mitigate operational risks through chaos engineering and architecture reviews
• ▹Work with software engineers to design systems for reliability, scalability and maintainability

Requirements

• ▹Participation in the on-call rotation - a core expectation to maintain 24/7 service reliability
• ▹Experience designing and operating multi-region cloud (AWS) architectures
• ▹Proficiency with Kubernetes and Terraform
• ▹Experience with observability tooling such as Datadog, Prometheus and OpenTelemetry
• ▹Knowledge of Python and/or Java for automation and tooling
• ▹CI/CD experience, e.g. GitHub Actions

Soft skills

What we offer

• ▹Remote work
• ▹Generous PTO
• ▹Wellness and learning allowances
• ▹Annual Airalo Away company retreat
• ▹Paid on-call rotation (standby fees plus overtime pay)
• ▹No on-call duties for the first 6 months
• ▹Guaranteed rest periods and flexible hours after night incidents
• ▹Split weekday/weekend rotations to reduce fatigue

About the company

Airalo is the world's first and largest eSIM store, helping travellers stay connected seamlessly in over 200 countries and regions. The fully remote engineering team is based in Spain, working on globally scaled, highly available systems.