SUMMARY

• Around 10+ years of experience in the IT discipline with almost 8+years of extensive experience as Web System Engineering middle ware technologies as Tomcat, WebLogic Server 8.x/9.x/10.xAdministration and WebSphere Application servers under heterogeneous environments - windows, UNIX, Red Hat Linux 6.x/7.x/8.x, SUN Solaris 8/9/10.
• Experience in System Administration, System Builds, Server Builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (Red Hat Linux, SUN Solaris & IBM AIX) Systems.
• Expertise in installation, configuration, Performance tuning, troubleshooting application servers in windows, Linux, Unix
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.
• Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, Web Sphere Application Servers.
• Expertise in implementation and maintenance of DHCP, NFS, NIS, DNS and Apache SMTP.
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
• Involved in migration and consolidation of Unix/Linux Servers in Production data center.
• Experience in installation and configuration of WebLogic, WebSphere, Apache, JBoss, and I Planet, LDAP, and mail servers.
• Resolving system errors and crashes, huge file sizes, file system full errors and Installing Network Printers and rectifying the Printer problems over the network.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Strong technical knowledge in configuring, implementing, support, workload management and performance tuning including Web server setup configuration with WebLogic, WebSphere, and tomcat Application Server.
• Expertise in installing and configuring of Web Servers like Apache, oracle http webserver and Iplanet webserver.
• Hands on experience in migrating enterprise applications and upgrading of WebLogic Server and updating JDK versions and installing service packs for WebLogic server, WebSphere application server and Tomcat application servers.
• Expertise in Configuring of JDBC connection pools and Multi-pool, JMS, JTA, JNDI, Virtual Hosting, SNMP to administer the managed servers.
• Expertise in working on Cluster configuration, Load Balancing Workload Management, creation and maintenance of multiple Domains, including Machines, Managed Server instances, and Node Managers in oracle WebLogic environment.
• Hands on experience in taking and analyzing Thread Dumps, Heap Dumps and used Thread analysis and Heap analysis tools like samurai, Jhat and Jmap to analyze the dumps
• Deployed Applications (.WAR, .EAR and .TAR) in single and clustered environment.
• Experience in installing and configuring 3rd party monitoring tools for application server’s like Site scope, BMC patrol, Appman, splunk and Tivoli.
• Well versed in writing Shell Scripts to automate System Admin jobs and Created Cron jobs for timely running of jobs.
• Experience in Installing and Configuring external LDAP Servers using Netscape and Sun ONE directory Servers for user authentication.
• Experience in performance monitoring and load testing using Wily Introscope 7.x, Load runner.
• Hands on Experience in Configuring and managing Secure Sockets Layers (SSL) for data encryption and client authentication.
• Hands-on experience on virtualization software like VMware and Oracle VM Virtual Box.
• Excellent design, troubleshooting, analytical, interpersonal and communication skills.
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.

TECHNICAL SKILLS

Operating Systems: Solaris 8/10, Ubuntu Linux, and windows, Red Hat Linux (4.X, 5.X. 6.X,7), Windows 2003/XP/2000.

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250,Sun Fire (6800/4800/3800/ v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000), IBM F-series and P-series, IBM RS6000, Sun Storage Array D1000,A5000

Scripting: Unix shell Scripting (Bourne), Bash, KSH

Databases: Oracle9.x,10g,11g MS SQL Server 2000/2005/2008 , DB2,Siebel

Servers: Weblogic6.1/7/8.x/ 9.1/10.3.3/12 , Jboss 4.2.x, Jboss 5.1 Jboss EAP 6.x, Tomcat 4/5, IIS 6.0/ 7.0/ 7.5/ 8.0 , Apache2.x, Apache Karaf 2.x and 4.4

Tools: MSOffice, Wily, Clear Quest, Quality Center, JRMC, Peregrine, Service connect, splunk, Appman, Tidal.

PROFESSIONAL EXPERIENCE

Confidential, Columbus Ohio

Sr. Java/Middleware Administrator

RESPONSIBILITIES:

• Monitoring WebLogic application servers on windows and Linux servers
• Involved in Migrating of existing Applications to new Datacenter with all new infrastructure. Involved planning, design and execution of migration.
• Worked in upgrading the thick client application.
• Worked in integrating the http proxy servers with thick client application server
• Knowledge on WebLogic JMS queue.
• Fine-tuned JVM heap size, garbage collections, Java stack and Native thread and production performance.
• Created jrockit monitoring scripts for monitoring the claim server behavior. worked on reading the JFR file and pin pointed the sql queries that are taking longer time to process and fixed performance issue.
• Performed QA, Integration, Staging &Production releases of application packages, server and application configuration changes and patches to the application components.
• Analyzed and worked with development teams on thread dumps, heap dumps and helped to fine tune the application code.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from WebLogic console and by taking thread dumps and heap dumps.
• Installed,configured and monitored Apache Karaf- 2.2 and 4.4 on linux environment.
• Installed .kar files and configured JMS connections b/w karat and web logic jus servers. applied patch to Karaf 4.0 versions to make it 4.2. configured Karaf with McKesson server to eradicate fraud detection while processing claims. installed and configured x.501. certificates between apache Karaf server and McKesson server. worked on encrypting the passwords using SALT algorithm. worked on setting up of HOT traces and HEAVY weight traces on application servers to fix 401 error in claim processing.
• Implemented procedures for operation and overall administration of IIS web servers.
• Executed processes for operation and administration of application deployment technologies in all systems.
• Assisted in operation and maintenance of web content management systems and applications.
• Supported technical team members in troubleshooting and resolution of all IIS application problems.
• Provided technical assistance for server maintenance, troubleshooting and patching functions.
• Participated in configuration, installation and maintenance of Citrix Xen App domain.
• Coordinated with technical teams for troubleshooting of SQL servers related to applications.
• Formulated procedures for installation and configuration of terminal services on Windows servers.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Installed and configured OEM monitoring TOOL worked on setup of OEM agent on linux and windows host .
• Setup of alerts using App man tool for Memory, GC time out and fine-tuned environment.
• Configured the shell scripts to monitor the disk space, error messages in WebLogic application server log and trigger e-mails when any flaws observed.
• Experience in Operational Intelligence using Splunk.
• Expert in Extracting, Transforming, Analyzing, Visualizing, and presenting data from diverse business areas in novel and insightful ways. created Dashboards, views, alerts, reports and saved searches as per the needs of the projects.

Confidential, Buffalo, NY

MiddleWare Administrator

RESPONSIBILITIES:

• Monitoring WebLogic application servers on windows and Linux servers
• Involved in Migrating of existing Applications to new Datacenter with all new infrastructure. Involved planning, design and execution of migration.
• Worked in upgrading the thick client application.
• Worked in integrating the http proxy servers with thick client application server
• Knowledge on WebLogic JMS queue.
• Fine-tuned JVM heap size, garbage collections, Java stack and Native thread and production performance.
• Created jrockit monitoring scripts for monitoring the claim server behavior.
• Performed QA, Integration, Staging &Production releases of application packages, server and application configuration changes and patches to the application components.
• Analyzed and worked with development teams on thread dumps, heap dumps and helped to fine tune the application code.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from WebLogic console and by taking thread dumps and heap dumps.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Installation of Web components like IIS 7.5, Apache Tomcat Servers.
• Managing WebServers and Troubleshooting the .NET applications thru Advanced IIS tracing techniques.
• Setup of alerts using Appman tool for Memory, GC time out and fine-tuned environment.
• Configured the shell scripts to monitor the disk space, error messages in WebLogic application server log and trigger e-mails when any flaws observed.
• Used splunk to monitor the JVM, Heap, CPU usages.

Confidential, LEXINGTON, KY

MiddleWare Administrator

RESPONSIBILITIES:

• Installed, Configured and Administered Tomcat 6.0&Apache 2.x.
• Involved in Migratingof existing Applications to new Datacenter with all new infrastructure. Involved planning, design and execution of migration.
• Involved in Upgrade process from jdk from 1.2.5. to 1.4.5.
• Integrated Apache mod jk plug-in with tomcat connector.
• Fine tunedJVM heap size, garbage collections, Java stack and Native thread and production performance.
• Installed, configured, and worked on performance tuning of Jboss 6.5 EAP server configured multi-cluster domain in UAT,PROD environments
• Configured ha-full and ha profiles and maintained zero down time during the upgrades and patching configured Apache webserver with JBOSS EAP using mod cluster and mod proxy modules
• Deployed and managed J2EE applications. sound knowledge in using CLI tool. performed JBOSS tuning to optimize performance, stabilize amp improve JVM performance by tuning the heap size and resetting the connection pools.
• Created & Installed SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server.
• Created Deployment scripts for tomcat application server for regular day to day deployments of .war and.ear files,Created and enhanced custom start/stop scripts installed them in /etc/init.d which helps in box reboot
• Deployed applications on multiple Tomcat Servers and maintained Load balancing, high availability.
• Performed QA, Integration, Staging&Production releases of application packages, server and application configuration changes and patches to the middleware components.
• Performed Sync’s between the domains after production releases.
• Interacted with development teams and third party support personnel for quick and effective issue/case resolution and patch implementations.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from tomcat JMS console and by taking thread dumps and heap dumps.
• Installed and configured Opem AM and oblix for SSO and integrated it with the web servers.
• Collaborating with other teams to get a full picture of the application environment and any bottlenecks or issues in that environment, including networking (firewalls, load balancers, routers), VM administrators and systems administrators.
• Provided 24x7 production supports for applications on systems running the fore mentioned middleware products on Linux and Solaris OS.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Installed and configured Weblogic 11
• Configured the servers, node manager and cluster
• Configured JDBC, multi data source and JMS in weblogic 11g to connect with Oracle database
• Setup of Memory arguments, GC time out and fine tuned environment.
• Installed apache 2.x and integrated with weblogic 11g with mod wl.so module.
• Implemented the SSL certificates.
• Configured the shell scripts to monitor the disk space, error messages in Weblogic application server log and trigger e-mails when any flaws observed.
• Implemented and managing application server installation, configuration, tuning and deployment strategies for JBoss on Linux platforms.
• Implement policies for WebLogic server security, authentication/authorization policies, user registries in LDAP server and configure keys, SSL, wallets & certificates. Must have knowledge of configuring
• JBoss with F5 BIG-IP for security/scalability, configuring Apache HTTP WebServer plugin and strategize SSL termination/pass-through policies.

Environment: Weblogic 11g,Tomcat server6.0, Jboss6.x,Apache 2.x, Linux9/10,Sun Solaris 9/10, Oracle 10g,Nagios, IPcenter, Remedy, LDAP, SOAP UI.

Confidential

Technical Lead Administrator

Responsibilities:

• Purpose is to acquire knowledge on the TSL application and give KT and train Wipro employees.
• Responsible for Service Delivery and service support activities
• (Incident Mgmt, Problem Mgmt, Change Mgmt, Release Mgmt, Configuration Mgmt, Service Level Mgmt, Capacity Mgmt, Availability Mgmt, Process Management)
• Acquired knowledge on the Transfield Weblogic Environment
• Prepared the required SMTD documents and supportive documents
• Trained Wipro employees to support the Weblogic applications of TSL
• Worked as a primary support engineer and on call support engineer
• Worked and trained on all the Major changes and incident calls
• Involved in assigning roles and responsibilities to team
• Involved in designing the documents for shift rotations and shift plan.
• Involved in Major Code Releases for Production and Non-Production environments.

Confidential

Responsibilities:

• Installed and configured WeblogicServer Portal/Core 10.3.2 on Solaris and Linux platforms.
• Involved in installed and configured WebSphere Application Server 6.1 and deployed various applications using Deployment Manager.
• Upgraded Weblogic Server Core and Portal domains from 10.0 to 10.3.2 in development and production environments.
• Developed custom shell scripts and WLST scripts which automate creation of domains with predefined Weblogic resources and deploy applications specific to the environments.
• Created BladeLogic jobs to provision Weblogic installation and to create Domains on Solaris and Linux boxes.
• Configured Weblogic resources like Managed servers, clusters, node manager, JDBC, JMS, SNMP, JNDI, JMX, Startup and Shutdown classes.
• Deployed various applications and libraries on clustered and non-clustered Weblogic servers.
• Deployment of Applications and import and export of Portal schemas.
• Integrated Weblogic with IPlanetLDAP Plug-in as authentication provider. This facilitated administrators to log into Weblogic consoles using their LDAP ids and eliminated the usage of shared ids.
• Secured the Weblogic system resources like JDBC, JNDI, JMS by defining security policies and by configuring custom security authorization provider.
• Created several portal PSL pools for caching and integrated with Documentum for content management.
• Created Weblogic Portal and Core domains in both clustered and non-clustered environments.
• Performed Desktop propagation of various portal resources from lower to higher environments.
• Generated SSL key pairs, CSRs and Self Signed/ Corporate Digital certificates, and configured SSL on Apache, Sun One and Weblogic servers.
• Installed SiteminderWebAgents and EP Agents on Web servers and Weblogic servers.
• Worked on security servers OAM,OVD,OIM and OID.
• Interacted with Business User (business stake holders) for Functional and Technical Issues for OA Framework and SOA.
• Involved in performance tuning and troubleshooting JVM parameters.
• Used the WebSpherewsadmin tool to manage WebSphere Application Server as well as the configuration, application deployment, and server run-time operations.
• Supported the Enterprise Service Bus (ESB)/ Service Oriented Architecture (SOA) tier.
• Involved in performance tuning and troubleshooting Weblogic Server 10.0/10.3.2 and worked with Oracle support to resolve issues.
• Worked with Application Developers, DBAs and Network administrators to resolve any issues in end-to-end testing of application.
• Configured Kick Start Server and build servers using kick start server and Jumpstart Solaris servers, custom building with packages, patches, and volume management.
• Solaris Live Upgrade from Solaris 8, 9 and old update from Solaris 10 newer update version across the whole environment.
• Administration of RHEL and Oracle Enterprise Linux 5.4, which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Responsible for configuration of AIX servers, for maximum performance in a production environment, configuring systems with various raid, strip and mirroring configurations.
• Installation and configuration of management tool Puppet & Jenkins across RHEL environment.
• Developed the scripts to push patches, files and maintain configuration drift through the Puppet tool.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Installing Red-hat Linux using kick start and applying security policies for hardening the server based on the company’s policies.
• Provided 24/7 on call production support.

Environment: Red hat Linux 5, 6, SUN Ultra Sparc 5/10 Software: Solaris 7, 8, 9 .WebLogic 8.1/9.2/10.0/10.3 , JDK 1.4/1.5/1.6, JRocket 1.5/1.6, J2EE, JSP, Servlets, EJB, HTML, XML, Apache 2.0/2.2, Sun One 6.X, HP Open View 9i, Solaris 10, RHEL, Oracle SOA Suite, WLST, Siteminder 6.X.

Confidential

Specialist Application Support

Responsibilities:

• Installed, configured, administered, trouble shoot and supported Weblogic8,9 and WebSphere Application Servers 6.0.x/ 6.1
• Expertise on Installation and Configuration of JBOSS EAP 4.3.
• Responsible in setting up Infrastructure Design and Automation of JBOSS EAP4.3 worked on Migrating lighter applications from WebSphere to JBOSS.
• Provided technical support on Clustering, caching, messaging and transactions to support J2EE application deployments in JBOSS EAP.
• Successful implementations of Workload Management and High Availability using clustering techniques including horizontal and vertical clustering to provide for load balancing.
• Enabling Global security Involved with other team members in writing scripts to automate deployment process and backup procedures.
• Configuring of JDBC Providers, Data Source, Virtual Hosting, Global Security, SSL, LDAP.
• Collection of JVM statistics, garbage collection data for monitoring the heap and physical memory.
• Assembled and Deployed the application in staging, in productions, following change management practices and 24/7 support, worked in shifts.
• Analysing Activity log files and diagnosing Application Server problems.
• Designed, implemented, and refined wscp/wsadmin in support of J2EE application deployment and supporting resources.
• Involved in managing releases of products from development to QA to Pre-Production and Production.
• Deploy J2EE Application in WebSphere managed servers such as QA and Production.
• Involved in configuration of WebSphere Application Server resources like JDBC Providers, JDBC Data Sources and Connection Pooling to connect to Oracle.
• Deploying ear files to the applications on various environments including Production, Staging and Testing.
• Troubleshooting the application while when it is not working with checking application and web server status and error logs.
• Supporting various applications on UNIX environment.
• Managing Task plans and uploading into database
• Software Deployments on request basis for production environment.
• Building Task Plans for all S/W deployments and review with Application teams.
• Involved in applying patches and Bundles using Tivoli.
• Backup Monitoring Using Control-M Tool.
• Coordination with offshore team to implement any changes in production Environment.
• Working with H/W vendors to fix all H/W issues and replacement (Vendor Calls Mgt).
• Installation of SSH and configuration of keys bases authentication.
• Install and configure Jumpstart servers
• Integrating UNIX Directories and file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Assisting Development team to provide the information and troubleshooting.
• Working with Development team to troubleshoot Web logic issues.
• Troubleshooting the problems related to Apache web server.
• Working closely with Vendors on Hardware Problems, software fixes.

Environment: Red hat 5.3,5.5, Solaris 7, 8, 9,10,, HP-UX 11i, Windows Server 2000 and 2003, Sun Enterprise 10000, 15000, Apache Web Server 1.3.x, 2.x Oracle 8i,9i2, Perl, KSH, Sun v480, v880, E220, IBM p630, p550,power 4 Dell POWEREDGE 700,2650,6650. Weblogic 6.1,8,9 to 10.x,Websphere6, WLS Portal9.x/10.x,JBOSS 3.x, Tyger, Web- method, Sun One (iPlanet) Web Server 6.0, Apache 2.0, Tomcat 4.1/5.5,SunLDAPNetegritySiteminder, java1.4.2, Oracle 9/10, Solaris 9/10, Topaz, Tidal, Tivoli, Autosys, Peregrine service center, Remedy, NDM, Citrix, Win-SCP, Hummingbird.