WebLogic Administrator

A WebLogic Administrator is responsible for managing and maintaining the Oracle WebLogic Server environment which is a key component for running enterprise-level Java applications. They ensure the platforms stability performance and security across various environments (development testing and production)

The duties of a WebLogic Administrator typically center on the full lifecycle of the WebLogic environment and the applications it hosts:

• Installation and Configuration: Install configure and maintain WebLogic Server domains managed servers and clusters for high availability and load balancing.

• Deployment: Deploy manage and troubleshoot Java EE applications (WAR EAR JAR files) on the WebLogic platform.

• Monitoring and Tuning: Proactively monitor server health performance and resource utilization. Conduct performance tuning of JVM connection pools and other components to ensure optimal application speed and stability.

• Security Management: Implement and manage security configurations including SSL/TLS LDAP integration security realms and apply necessary patches and security updates.

• Maintenance and Support: Perform routine administrative tasks like patching upgrades backup and recovery planning. Provide tier 2/3 technical support for production issues and participate in on-call rotations.

• Automation: Develop and utilize scripts (e.g. WLST Shell Python) to automate routine administrative tasks deployments and monitoring.

• Collaboration: Work closely with development teams for application integration and deployment as well as with database and network teams to troubleshoot cross-platform issues.

• Deep Expertise in Oracle WebLogic Server: Installation configuration clustering and domain management.

• Operating Systems: Proficiency in Linux/Unix administration and shell scripting.

• Java EE: Understanding of Java Enterprise Edition (J2EE) concepts architecture and application deployment standards.

• Networking: Knowledge of networking concepts protocols (HTTP TCP/IP SSL) and load balancing mechanisms (e.g. F5).

• Database: Familiarity with database connectivity (JDBC) and interaction often with Oracle Database.

• Troubleshooting: Strong diagnostic skills for logs thread dumps heap dumps and resolving application and server issues.

• Automation/Scripting: Experience with WLST (WebLogic Scripting Tool) and general scripting languages (Shell Python).

• A Bachelors degree in Computer Science Information Technology or a related field is typically required.

• Relevant experience generally 8 years in WebLogic or other middleware administration.

• Certifications like the Oracle Certified Professional (OCP): Oracle WebLogic Server Administrator are often preferred.