Administrator - Weblogic Application Server

Job Summary

Role: OSB/ESB Support Engineer (WebLogic L2 Support)OverviewThe OSB/ESB Support Engineer (L2) is responsible for maintaining, monitoring, troubleshooting, and supporting Oracle Service Bus (OSB) / Enterprise Service Bus (ESB) applications and WebLogic middleware environments. The role ensures high availability, performance, and reliability of integration services across enterprise systems.Key Responsibilities1. OSB / ESB Application SupportProvide L2 production support for OSB/ESB integrations and servicesMonitor service health and ensure availability of business-critical integrationsTroubleshoot issues related to:Message failuresRouting errorsService unavailabilityTransformation/mapping issuesHandle message reprocessing / resubmissionAnalyze SOAP/REST based service failuresWork with XML, XSD, WSDL, XQuery, XSLT for issue debugging2. WebLogic Administration (L2)Monitor and support WebLogic Server domains and clustersPerform routine activities:Server start/stop/restartDeployment/undeployment of applicationsHealth checks & log analysisTroubleshoot:JVM memory issuesThread stuck issuesConnection pool failuresData source connectivity issuesManage logs (Admin & Managed Servers)3. Incident & Problem ManagementHandle P1/P2 incidents with defined SLAsPerform root cause analysis (RCA)Provide workarounds and permanent fixesCoordinate with L3/development teams when requiredMaintain incident reports and closure documentation4. Monitoring & AlertsMonitor applications using tools like:OEM (Oracle Enterprise Manager)Splunk / ELK / AppDynamics (if applicable)Respond to alerts:Service failuresPerformance degradationQueue buildup5. Deployment & Release SupportSupport code deployments to OSB/WebLogic environmentsValidate deployments (smoke testing, service validation)Execute deployment scripts and rollback plans6. Performance & Health ChecksPerform regular:Health checksCapacity checksPerformance monitoringIdentify bottlenecks in:Service callsBackend integrations7. DocumentationMaintain:Runbooks / SOPsKnown error databaseService dependency documentationPrepare:Daily/weekly status reportsIncident summariesTechnical Skills RequiredCore SkillsOracle Service Bus (OSB) / Oracle ESBWebLogic Server Administration (11g/12c preferred)XML, XSD, WSDL, XQuery, XSLTSOAP & REST Web Services