Oracle Weblogic and Middleware Administration

3+ years in a lead or senior middleware role managing enterprise customers Act as Lead Middleware Administrator for Oracle WebLogic and associated middleware platforms Provide 24x7 operational support with end-to-end ownership of SLAs, KPIs, and service availability Handle L3/L4 escalations, root cause analysis, and preventive actions Ensure adherence to ITIL processes (Incident, Problem, Change, Release) Administer and support: Oracle WebLogic Server Oracle HTTP Server (OHS) IBM HTTP Server (IHS) IBM WebSphere Application Server & WebSphere MQ JBoss / Red Hat JBoss EAP Apache Tomcat NGINX Apache Web Server Microsoft IIS Kubernetes-based middleware deployments Plan and execute middleware upgrades and migrations, including: WebLogic and WebSphere version upgrades Application server and web server migrations On-prem to cloud / container-based migrations (Kubernetes) Perform impact analysis, risk assessment, rollback planning, and validation Support modernization initiatives including containerization and platform consolidation Design, implement, and support HA/DR architectures, including: WebLogic clustering and session replication WebSphere clusters and MQ HA configurations Load balancer integrations (NGINX, Apache, IHS, IIS) Kubernetes high availability and resilience patterns Perform DR drills, failover testing, and documentation Monitor middleware platforms for availability, performance, and capacity Perform performance tuning (thread pools, JVM tuning, connection pools) Implement security best practices, including SSL/TLS, certificates, hardening, and access controls Integrate middleware monitoring with enterprise tools (OEM, AppDynamics, Dynatrace, Prometheus, etc.)