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WebLogic Administrator

Weblogic Administrator in Laurel, MD 

Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance
Administration, Installation, configuration of Weblogic (WLS, WLI), I-Planet Web Server 4.0, Sun One Web Servers & Apache Web Server, and configuration of proxy requests using BIG-IP® Load Balancer to clustered Weblogic servers.
Extensive experience in troubleshooting the deployment and other application problems, applying WebLogic patches, Service Packs, and working closely with development teams in solving issues. 
Create, configure and tune weblogic domains/applications for performance
Work with vendors and developers for application related issues.
JDBC Connection Pool and Multipool configuration with Oracle, MySql, DB2 and SqlServer, etc.
Deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments
Code deployments/promotions, performance monitoring and performance tuning
Upgrade of WebLogic servers in development, testing and production environment and applying patch and service packs
WebLogic Administration, Monitoring and Troubleshooting using Admin Console and JMX.
Cluster Configuration – Single Cluster, Multiple Clusters and Deployment over clusters.
WebLogic's HttpProxyServlet and HttpClusterServlet configurations
Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly
JMS Configurations– JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations
Creating security roles, group policy, user authentication, auditing and authorization
Work on Web Security tools- LDAP Server, SSL Certificates and client authentication.
Node Manager Configuration – remote managed server start and stop. SSL communication between admin server and nodemanager
Writing Scripts to handle complex automation / administration using Shell scripting
Working with WebLogic utilities - WebLogic.Admin, WebLogic.Deployer, ejbc, appc.
Monitoring WebLogic server health and security.
Tuning JVM heap size to maximize the number of clients accessing the applications.
Installation and configuration of WebLogic Integration server on Sun Solaris 8 and Sun Solaris 10.
Configuring digital certificates, using java key tool for secured applications
Automation of domain creation using WLST, ANT, and Domain Templates
Configuring Web Logic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.
Database knowledge using Oracle, Point base servers.
Analyzing the Log Files, Thread Dumps, JVM Dumps, Exception Stack Traces
Configuration of Site scope monitors for monitoring the environment
Monitoring using Wiley Interoscope monitoring
Monitoring thread usage, connection pool usage, CPU usage, Memory usage and preparing reports for the performance tests, dry run tests and load tests conducted on the Application Servers
Unix/Solaris command line usage and shell scripting
Installing weblogic server instances as windows services
Monitoring and analyzing resources, Standard logs, application logs and domain logs
Evaluating the WebLogic domains using BEA Guardian10.3 in Production and Pre-Production environments
Experience in performance tuning for Web applications at various level by using JProbe8.1 profiling tool
Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders
Evaluate the strength of the SSL using ssl digger
Developing WLST scripts and auto deployment process
Working with configuring the WebLogic Diagnostics Framework (WLDF). Configure Diagnostic modules, Collected Metrics, Configured Watches, Notifications and Instrumentation. Working with WLDF console extension.
Sun One LDAP server configuration. Integrating the WebLogic with LDAP servers
Patch updates using BSU, Service Pack Upgrades and Version Upgrades
Security Support with SSI, SSL, DES, RSA, TDEA  etc
WebLogic Administration, Monitoring and Troubleshooting using Admin Console
Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameters
Monitoring the WebLogic Server using HP Site scope and SNMP agent based monitoring
Deploying different applications like  WAR files, EJB jars files and enterprise application archives (EAR) on WebLogic using various deployment tools ( Console, weblogic.Deployer, and WLST)
Knowledge in WebLogic Portals and Jboss
Configured Web Server plug-ins for Application Servers
Update Bea license keys on web logic servers communicated with Bea team to reconfigure licenses and performe IP address changes
Performed sanity testing on QA, Stage and Production environments after deployment.
Configure and maintaine the scheduled tasks like Thread dumps, log files backup etc.,
Maintaine the applications among Web Logic run-time processes in a cluster of application servers
Performance tuning of Web Logic server with respect to heap, threads and connection pools.
Work with JProbe in-order to adjust JVM Heap Size and reduce memory leakage
Involve in configuration management, software deployment, change management, performance monitoring, and application maintenance
Involve in configuration management, software deployment, change management, performance monitoring, and application maintenance
Validating the operating system and patch level 

Configuring the kernel 
·  Storage Management: Solstice DiskSuite, Veritas Volume Manager 
·  System and Network Planning/ Administration 
·  Network and Systems Security Administration. 
·  Network File System Management (NFS) 
·  Software and Patch Administration 

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