Design configure and manage Logical Partitions (LPARs) on IBM Power up and manage Disaster Recovery (DR) environments ensuring systems are fail-safe and meet recovery time objectives (RTOs).Provide L3-level support for infrastructure issues and manage end-to-end system availability performance and security in a mission-critical production with cross-functional teams to plan implement and support infrastructure changes and and maintain detailed documentation for configurations procedures and best regular system health checks capacity planning and performance mentorship and technical guidance to junior team members.