Server Administrator

2 weeks ago

Bengaluru, India DICETEK LLC Full time
Description

Job Summary:

We are looking for an experienced WebLogic Technical Lead to oversee the design, implementation, optimization, and support of Oracle WebLogic environments in a high-availability enterprise setup. The ideal candidate will lead a team of middleware engineers, provide technical direction, and ensure the reliability, security, and scalability of application server platforms.

Key Responsibilities:

  • Lead the design, deployment, configuration, tuning, and support of Oracle WebLogic Server (11g, 12c, 14c) environments across development, testing, and production.
  • Manage WebLogic domain architecture, including admin servers, managed servers, node managers, and cluster configurations.
  • Oversee application deployments (EAR, WAR, JAR) and support Java EE applications in standalone and clustered environments.
  • Drive JVM tuning, memory leak analysis, thread dump analysis, and performance tuning of WebLogic instances.
  • Manage WebLogic patching, version upgrades, and JDK migrations with zero/minimal downtime.
  • Integrate WebLogic with Oracle HTTP Server (OHS), Apache, load balancers, and SSL certificates.
  • Collaborate with application, security, and network teams for system hardening, SSL/TLS configurations, and vulnerability remediation.
  • Lead incident resolution and root cause analysis for critical issues affecting middleware availability and performance.
  • Automate routine tasks using shell scripting, WLST (WebLogic Scripting Tool), or Ansible (preferred).
  • Support disaster recovery (DR) setup and participate in DR drills for middleware environments.
  • Guide and mentor junior team members and enforce best practices for configuration management, change control, and documentation.
  • Contribute to architectural decisions involving middleware modernization and potential migration to cloud-native platforms

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