Senior Systems Reliability Engineer (SRE), konzentriert auf Uptime, Incident Response und den Aufbau von Monitoring-Systemen, die Probleme aufdecken, bevor Nutzer sie bemerken.
Downtime in modern web applications is rarely caused by a single failure. In practice, outages usually happen because multiple small issues align across multiple layers.
A technical analysis of how major companies still suffer devastating outages due to missed certificate renewals and internal monitoring gaps.
Wildcard certificates are convenient but create massive blast zones. Learn how an expiring wildcard takes down dozens of subdomains simultaneously.
A comprehensive guide to TLS lifecycles, common expiration failures, and how to implement robust synthetic monitoring to catch certificate issues.
Stop trusting internal metrics for external outages. Learn the architectural principles of outside-in DNS synthetic monitoring for SRE teams.
DNS latency happens before your app logs a single request. Learn how Anycast routing fails and how to measure true P99 lookup times from the edge.
Setting a DNS TTL too high can cause 24-hour outages, while setting it too low can DDoS your nameservers. Learn the best practices for production TTL management.
