"Describe your incident response process."
Production incidents are inevitable. This tests your composure under pressure, structured problem-solving, and ability to learn from failures.
Describe your incident classification and escalation framework.
Walk through your response process: detect, triage, mitigate, resolve.
Discuss communication during incidents.
Cover post-incident review and improvement.
My incident response follows four phases. Detect: automated alerts catch anomalies in error rates, latency, or availability. Triage: the on-call engineer assesses severity (SEV1-4) within 5 minutes and opens a dedicated incident channel. Mitigate: focus on restoring service first — rollback, feature flags, traffic rerouting — before root-cause investigation. Resolve: once stable, investigate root cause with proper analysis. After every SEV1/2, we run a blameless postmortem within 48 hours: timeline, contributing factors, action items. In my last incident, an API dependency went down at 2 AM. I had the service degraded gracefully within 8 minutes by enabling our circuit breaker, communicated status to stakeholders within 15 minutes, and had full resolution by morning. The postmortem led us to add three new fallback mechanisms.
Emphasize "mitigate first, debug later" — restoring service is the priority.
Mention blameless postmortems — learning culture matters.
Show you communicate proactively during incidents.
A post-incident review focused on systemic improvements rather than individual blame. The goal is to understand what happened, why existing safeguards failed, and how to prevent recurrence.
Restore service first, communicate second, debug third. Assign clear roles: incident commander, communications lead, and technical lead. Avoid too many people troubleshooting simultaneously.
Through the postmortem action items: add monitoring gaps, improve testing, implement circuit breakers, add runbooks, and conduct chaos engineering exercises.
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