PrincipalPlatformReliabilityEngineer

At Lilly, we unite caring with discovery to make life better for people around the world. We are a global healthcare leader headquartered in Indianapolis, Indiana. Our employees around the world work to discover and bring life-changing medicines to those who need them, improve the understanding and management of disease, and give back to our communities through philanthropy and volunteerism. We give our best effort to our work, and we put people first. We’re looking for people who are determined to make life better for people around the world. Eli Lilly and Company seeks a Platform Site Reliability Engineer to join the Software Product Engineering (SPE) Customer Operations team. You will design, operate, and continuously improve highly available, scalable, and fault-tolerant systems across cloud environments. You will play a critical role in establishing reliability standards, driving operational excellence, and enabling engineering teams to build and deploy with confidence. **What You’ll Do:** * Define and implement SLOs, SLIs, and reliability standards that establish a consistent foundation for platform health, driving resilience through capacity planning, failover design, and disaster recovery strategies * Lead response for P1/P2 incidents, owning rapid mitigation and recovery while conducting thorough root cause analysis and implementing corrective actions that prevent recurrence * Develop and maintain runbooks, playbooks, and operational standards that enable the broader engineering organization to respond effectively and consistently * Implement and optimize observability frameworks spanning monitoring, logging, tracing, and alerting — improving system visibility and reducing alert noise through actionable, signal-driven insights * Leverage platforms such as Splunk, Prometheus, CloudWatch, or equivalent tooling to ensure teams have the telemetry they need to detect, diagnose, and resolve issues proactively * Build and maintain CI/CD pipelines and deployment au