We are seeking a Middleware Administrator with 9+ years of hands-on experience in managing, administering, and troubleshooting enterprise middleware platforms with a primary focus on Oracle WebLogic Server. This role involves configuring high-availability multi-node clusters, driving JVM performance tuning, executing mission-critical application deployments, automating operational workflows, and ensuring enterprise-grade stability across production and non-production settings.

Key Responsibilities
Architecture & Administration: Install, configure, upgrade, patch, and manage multi-node Oracle WebLogic Server (11g/12c/14c) clusters across distributed environments.
High Availability & Security: Set up and maintain clustering, node managers, SSL/TLS certificate lifecycle, keystores, authentication providers, and security realms.
Performance Tuning & Optimization: Perform end-to-end JVM tuning (heap memory sizing, GC policies), thread pool configuration, and JDBC/JMS resource optimization.
Troubleshooting & Diagnostics: Lead root cause analysis (RCA) by evaluating thread dumps,



heap dumps, garbage collection logs, and application server diagnostics to fix latency, crashes, and memory leaks.
Deployments & Releases: Oversee deployments of EAR/WAR/JAR artifacts, handle data-source updates, and manage staged/rolling production releases.
Automation: Write and maintain operational automation scripts using WLST (Jython), Shell/Bash, and Python for domain creation, configuration changes, and health checks.
Integration & Web Tier: Administer integrations with web servers (Oracle HTTP Server - OHS, Apache HTTP Server), load balancers (F5/ALB), and backend databases (Oracle RAC, SQL Server).
DR & Compliance: Participate in Disaster Recovery (DR) drills, maintain backup/restoration processes, and implement security hardening standards.

Required Skills & Qualifications
Core Experience: Minimum 9 years of dedicated experience in enterprise middleware administra

📌 Middleware Administrator Navi Mumbai
🏢 ANB
📍 Navi Mumbai