Oracle Weblogic and Middleware Administration

Middleware Administration & Operations
8+ Yrs of Hands-on Middleware experience
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.)