IBM WebSphere & Liberty Administrator

Key Skills IBM WebSphere Administration, WebSphere Liberty Administration, IBM HTTP Server (IHS), Middleware Configuration, Security Administration, Performance Tuning, Troubleshooting, Automation, Scripting, Installation, Patch Management, Operating Systems, Java, Middleware, Environment Management Job Description Seeking an experienced IBM WebSphere and WebSphere Liberty Administrator responsible for installation, configuration, administration, troubleshooting, patching, security, and performance tuning of IBM middleware environments. The candidate should have hands-on experience supporting production, UAT, and development environments. Key Responsibilities Install, configure, and administer IBM WebSphere Application Server (ND/Base). Create and manage Cells, Deployment Managers, Nodes, Node Agents, Clusters, and Application Servers. Deploy, undeploy, and troubleshoot EAR/WAR/JAR applications. Configure Virtual Hosts, JDBC Providers, Data Sources, JMS Resources, and Connection Pools. Manage SSL certificates, KeyStores, TrustStores, KDB, JKS, PKCS12 certificates. Perform WebSphere fix pack upgrades, maintenance, and rollback activities. Configure and troubleshoot IBM HTTP Server (IHS) and WebSphere Plugin. Monitor JVM performance and tune Heap Size, GC, Thread Pools, and Connection Pools. Perform backup and recovery of WebSphere configurations. Configure LDAP/Active Directory integration. Manage user roles and administrative security. Implement SSL/TLS certificates and certificate renewals. Conduct vulnerability remediation (Log4j, Java, OpenSSL, etc.). Analyze SystemOut.log, SystemErr.log, FFDC logs, and trace files. WebSphere Liberty Administration Install and configure WebSphere Liberty servers. Deploy applications using server.xml and Liberty features. Configure SSL, LDAP, JDBC, JMS, and Security in Liberty. Perform Liberty upgrades and fix pack installations. Troubleshoot application startup and deployment issues. Configure Liberty collective controllers and member servers. Implement application monitoring and health checks. Required Skills IBM WebSphere Application Server ND 8.x / 9.x IBM WebSphere Liberty IBM HTTP Server (IHS) IBM Installation Manager Java/J2EE Applications Linux/Unix and Windows Administration SSL Certificate Management LDAP/Active Directory wsadmin scripting (Jython) JDBC, JMS, MQ Integration Performance Tuning and Troubleshooting (ref:hirist.tech) Key Skills IBM WebSphere Administration, WebSphere Liberty Administration, IBM HTTP Server (IHS), Middleware Configuration, Security Administration, Performance Tuning, Troubleshooting, Automation, Scripting, Installation, Patch Management, Operating Systems, Java, Middleware, Environment Management Job Description Seeking an experienced IBM WebSphere and WebSphere Liberty Administrator responsible for installation, configuration, administration, troubleshooting, patching, security, and performance tuning of IBM middleware environments. The candidate should have hands-on experience supporting production, UAT, and development environments. Key Responsibilities Install, configure, and administer IBM WebSphere Application Server (ND/Base). Create and manage Cells, Deployment Managers, Nodes, Node Agents, Clusters, and Application Servers. Deploy, undeploy, and troubleshoot EAR/WAR/JAR applications. Configure Virtual Hosts, JDBC Providers, Data Sources, JMS Resources, and Connection Pools. Manage SSL certificates, KeyStores, TrustStores, KDB, JKS, PKCS12 certificates. Perform WebSphere fix pack upgrades, maintenance, and rollback activities. Configure and troubleshoot IBM HTTP Server (IHS) and WebSphere Plugin. Monitor JVM performance and tune Heap Size, GC, Thread Pools, and Connection Pools. Perform backup and recovery of WebSphere configurations. Configure LDAP/Active Directory integration. Manage user roles and administrative security. Implement SSL/TLS certificates and certificate renewals. Conduct vulnerability remediation (Log4j, Java, OpenSSL, etc.). Analyze SystemOut.log, SystemErr.log, FFDC logs, and trace files. WebSphere Liberty Administration Install and configure WebSphere Liberty servers. Deploy applications using server.xml and Liberty features. Configure SSL, LDAP, JDBC, JMS, and Security in Liberty. Perform Liberty upgrades and fix pack installations. Troubleshoot application startup and deployment issues. Configure Liberty collective controllers and member servers. Implement application monitoring and health checks. Required Skills IBM WebSphere Application Server ND 8.x / 9.x IBM WebSphere Liberty IBM HTTP Server (IHS) IBM Installation Manager Java/J2EE Applications Linux/Unix and Windows Administration SSL Certificate Management LDAP/Active Directory wsadmin scripting (Jython) JDBC, JMS, MQ Integration Performance Tuning and Troubleshooting (ref:hirist.tech)