WebLogic Administrator

Responsibilities:

• Managing and maintaining Oracle Weblogic Server environments, including installing and configuring servers, deploying applications, monitoring system performance, and troubleshooting issues.
• Configure node manager to administer managed servers and establish SSL communication between admin server and node manager.
• Configure node manager, associating managed servers to a machine to control/monitor managed servers on various physical boxes.
• Experience in configuring and administration of clustering, connection pools for JDBC, JMS connections and security.
• Set up WebLogic domain with a single server instance for developers on Windows environments.
• Configure JDBC connection pools, data sources for the applications and create scripts to automate password changes.
• Manage distributed sessions using HTTP sessions for the failover facility, session persistence, and cache replication using memory-to-memory replication.
• Key role in managing content and organizational structure for several external websites and internal Intranet website, distribution of electronic communications.
• Involve in performance tuning of WebLogic server by fine-tuning various parameters like JDBC connection pools, JMS parameters, and JVM.
• Invoke WLST scripting and create JDBC connection pools and enroll the node manager using WLST command line.
• Diagnose and resolve performance bottlenecks, memory leaks, excessive garbage collection, threading issues, and other Java coding problems.
• Configure JVM arguments, JMS/JDBC adapters, MQ, RAC data sources, user authentication and troubleshoot issues with process deployments.
• Configure WebLogic LDAP for user authentication for applications as well as WebLogic administration.
• Design HTML and JSP for front-end templates.
• Work on JDK versions and JRockit upgrades on all environments.
• Deploy web applications, EJB components, and enterprise applications.
• Experience in deploying web applications and EJB applications on WebLogic servers.
• Contribute to testing efforts with the client on WebLogic and JBOSS issues.
• Provide users with read/write authorization privileges on Windows servers.
• Implement LDAP authentication in a web-based utility application to validate LAN credentials.
• Add PHP scripts to the website as a way for customers to contact for information.
• Work closely with Principle on PMR's for solutions and implement them, create many critical situation tickets for related bugs.
• Implement SSL certificates for secure communication between the administrative server and clients.
• Reformat documents to comply with ISO standards, international code standards, and internal company standards.
• Monitor internal and external jobs to maintain critical deadlines and comply with regulations.
• Install and configure Jenkins to deploy applications.

Skills:

• 2+ years of hands-on experience in managing and maintaining Oracle WebLogic Server environments.
• Experience in installing, configuring, and deploying applications on WebLogic servers.
• Proven experience in performance tuning, troubleshooting, and resolving issues related to WebLogic, JVM, JDBC, JMS, and clustering.
• Experience with WLST scripting for automation and server management.
• Familiarity with JBOSS and other middleware technologies is a plus.
• Experience in web development (HTML, JSP, PHP) and deploying web/EJB applications.
• Knowledge of LDAP authentication and SSL certificate implementation.
• Experience with Jenkins for application deployment and CI/CD processes.
• Exposure to system administration tasks (e.g., user authorization, server monitoring, and job scheduling).

Technical Skills:

WebLogic Administration:

• Configuring and managing WebLogic domains, node managers, and clusters.
• Setting up JDBC connection pools, data sources, and JMS adapters.
• Memory management, session replication, and failover configuration.
• Performance tuning (JVM, garbage collection, threading issues).

Scripting and Automation:

• Proficiency in WLST (WebLogic Scripting Tool) for automation.
• Scripting for password changes, server configurations, and deployments.

Web Development:

• Basic knowledge of HTML, JSP, and PHP for front-end development.
• Experience in deploying web applications and EJB components.

System Administration:

• Managing user permissions on Windows servers.
• Monitoring and maintaining internal/external jobs and deadlines.

Security:

• Configuring SSL for secure communication.

DevOps Tools:

• Experience with Jenkins for CI/CD pipelines.
• Familiarity with version control systems and deployment automation.
• Strong problem-solving and troubleshooting skills for resolving performance bottlenecks, memory leaks, and deployment issues.
• Ability to work in a collaborative environment with cross-functional teams (developers, system admins, and clients).
• Attention to detail in configuring and maintaining complex middleware environments.
• Communication skills to interact with stakeholders and provide technical support.
• Adaptability to work with multiple technologies (WebLogic, JBOSS, Jenkins, etc.).
• Time management to meet critical deadlines and comply with regulations.

Education & Certifications:

• Certifications (Preferred):
• Oracle Certified Professional, Oracle WebLogic Server 12c Administrator
• Oracle WebLogic Server 12c Certified Implementation Specialist

• Entry level

• Full-time

• Information Technology
• Industries
• IT Services and IT Consulting