SUMMARY

• Over 8+ years of extensive experience in the IT industry in Internet Technologies and Client/Server implementations using Java J2EE (EJB, JSP, Servlets, JMS, Web services), WebSphere, Apache, Tomcat, Http, LDAP with different back ends like DB2/UDB, Oracle, SQL - Server.
• Over 8+ years of experience in optimization of enterprise applications using WebSphere Application Server 8.x/7.x/ 6.x/5.x/, JNDI, LDAP, Oracle 12X,11X,10X/9x/, DB2/UDB under Solaris, AIX, Linux and Windows NT/2000/98/95 environment.
• Expertise in installing, configuring, managing and troubleshooting WebSphere Application Server Base and ND 8.x/ 7.0/6.1/6.0/5. x.
• Expertise in Installing and configuring IBM HTTP Server, Apache.
• Expertise in implementation of Continuous Integration and Continuous Deployment framework using DevOps tools like IBM UrbanCode Deploy, Jenkins, Bamboo, Docker, AWS, Chef, etc.
• Hands on Amazon Web Services (EC2, ELB, SSL, Security Groups, RDS and IAM).
• Hands on creation of AWS Instances and Resource Bills.
• Experience of handling of Software Configuration Management tools like CVS, SVN, GIT, Github, Bitbucket, TFS.
• Solid understanding of bug tracking software like Bugzilla, ServiceNow, JIRA, Remedy, etc.
• Expertise in administration, Migration and performance tuning of Web Sphere Application Server 5.x, 6.x, 7.x, 8.x IBM HTTP and IIS.
• Expertise in installation, configuration, deployment and management of enterprise applications utilizing WebSphere Application server 8.x/7.x/6.x/5.x using admin console, JENKINS tool, Jython scripts and by running rdf on DMGR.
• Strong technical experience with WebSphere Application Server implementation, support, workload management and performance tuning. Web server setup, including complex secure sockets layer (SSL) configuration on IBM HTTP Server (Apache based).
• Expertise in using the Dynatrace, Wily Introscope, Tivoli Performance Viewer, HP Diagnostics, IBM Assistance tools (Heap Analyzer, thread Analyzer) for troubleshooting various performance related issues.
• Experience in Migrating existing applications from WebSphere previous versions to new versions using waspreupgrade and waspostupgrade tools.
• Experience in Configuring global security for WebSphere Application Server using IBM Directory Server as LDAP user registry.
• Created JDBC Providers, Data sources, and JAAS authentication aliases in order to provide connectivity to Oracle, DB2 UDB.
• Creating the Problem Management Record (PMR) with the IBM if there were any unresolved bugs.
• Experience in operational 24x7 support, best practice trouble shooting, monitoring, maintenance and performance tuning.
• Excellent problem resolution and communication skills with ability to work under pressure in a highly visible role.
• Excellent hands-on experience with UNIX utilities and scripting for basic OS administration and application server administration.
• Capable of application install, uninstall and application enhancements through shell scripts WSCP, JACL scripts, Perl Scripts using Cron at job scheduling utilities.
• Demonstrated ability to perform advanced troubleshooting and develop solutions to Web sphere and Middleware related problems.
• Experience in generating java core dumps, Thread dumps, Heap dumps, logs and its analysis.
• Experience in using trouble shooting tools like HP Diagnostics, Splunk, MQ Explorer, Admin 7, and Rumba.
• Experience in Building the application from scratch in DEV and INT ENV
• Demonstrated ability to manage multiple high-profiles, complex projects and implement with minimal disruption to end users in Production Environment.
• Adept at developing effective policies and procedures, project documentation, as well as technical and business specifications.
• Team player with multi-tasking skills and leadership qualities.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded.

TECHNICAL SKILLS

Middleware: Web Sphere Application Server 5.X/6.X/7.X/8.X, Web Logic 6.0., Web Sphere MQ, IBM Websphere PORTAL Server.

Operating Systems: Sun Solaris 8/9/10, AIX (5.1/5.2/5.3), WINDOWS 2000/2003, Red hat Linux 9.0, HP-UNIX

Cloud: Amazon Web Services, JENKINS, UrbanCode Deploy, Docker, Bamboo

Directory Servers: Active Directory, Site Minder, Sun One Directory Server, IBM Directory Server.

Scripting: JACL, Python, TCL, WSCP, WSADMIN, Korn Shell Script, Perl, JavaScript, VBScript, CSS.

Tools: Dynatrace, Nagios, ServiceNow, Jira, Wily Interscope, Tivoli Performance Viewer, Log Analyzer, Resource Analyzer, Heap Analyzer, Thread Analyzer, IBM Udeploy, Control-m (BMC), Bugzilla, Remedy.

SCM Tools: CVS, SVN, GIT, Github, Bitbucket, TFS

Databases: Oracle (12c/11g/10g), UDB/DB2, Sybase, MS SQL Server.

Networking: TCP/IP Protocols, Socket Programming, DNS.

IDE: Eclipse, WSAD, Net Beans, Jbuilder, Edit plus, TOAD, Oracle Developer.

Security & Others: Site Minder, ikeyman, LDAP.

WebServers: Apache 1.2.2/1.3/2.0 , IBM HTTP Server 6.X/7.X,8.X, IIS 5.0/6.0 Sun One iPlanet 5.1/6.1.

PROFESSIONAL EXPERIENCE

Confidential, Cary, NC

Senior System Engineer

Responsibilities:

• Providing technical Support involving Incident management, change management, problem management for IBM WebSphere Application server, WebSphere MQ, WebSphere Message Broker, IBM HTTP Server, Portal on Multiplatform (Linux, AIX, and Windows)
• Build and maintain the complex environments with applications implemented for architecture involving WebSphere Application Server.
• Install, test, configure, troubleshoot WebSphere application server on Clustered Environment
• Working with Production App support teams on deploying J2ee application, changes and application related issues.
• Designed, developed and managed Continuous Integration and Continuous Deployment framework using DevOps tool like IBM UrbanCode Deploy, Docker, Bamboo, ServiceNow etc.
• Onboarding of .Net, JAVA, Message Broker, Docker, Hadoop application onto UrbanCode Deploy.
• Design and configure process for build automation in Bamboo and deployment automation in IBM UrbanCode deploy.
• Installed and configured IBM Http Server, WebSphere Application Server V8.X/7.X, etc.
• Installed the Refresh Packs and cumulative fixes to WebSphere ND V6.0 environment, for WebSphere, plugins and IHS.
• Created the Clustering Topology in WebSphere Application Server ND V6.x to achieve Work Load Management (WLM), High availability, Load Balancing and Hardware fail over.
• Provided high-level technical assistance to application teams in Non Prod & Prod environments.
• Deploy and troubleshoot issuances of J2EE business applications on WebSphere Application Server.
• Involved in Performance tuning such as tuning the web server by specifying the parameters for the maxclient, start servers and maxspareservers. Tuning the Servlet engine and database connection pools. Tuning the Java Virtual Machine (JVM) by specifying the minimum and maximum heap size.
• Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, and Connection Pool sizes.
• Configured WebSphere resources like JVM heap settings, JDBC providers, JDBC data sources, connection pooling, Virtual Hosts, Global Security and SSL.
• Involved with the SSL Certificates missing issues and installed certificates from the backup.
• Worked on the tickets related to the installation, troubleshooting of the IBM HTTP Server, web server load balancing, OOM/Hung, Connection issues and other application scaling concepts.
• Worked extensively on Web service, ORB and JMS & JDBC related issues.
• Well versed and proven experience in defining IBM MQSeries Queue Manager, Channels and Queues.
• Implement/administer the new clustering topology and involve in troubleshooting various MQ related issues.
• Product maintenance, applying fixes and maintenance levels
• Work on PMRs with IBM second/third levels to fix product related issues.
• Shell scripting of MQ/Broker issuances and for daily activities on AIX and Linux
• Hands on experience in using WebSphere message broker toolkit to build the execution groups and deploying the broker flows.
• Expertise in using the Wily Introscope, HP Diagnostic, and BMC Patrol for troubleshooting various performance related issues on Application.
• 24 x 7 on call rotation for Issues, fix/Release activities, Installation and maintenance of system software. Projects related to Enterprise Server Infrastructure process implementations, and completion of team ticket requests.

Environment: Websphere 8.X/7.X/6.X, IBM UrbanCode Deploy, Bamboo, Docker, WebSphere MQ v 8.x/7.x, EJB, JSPs, Servlets, XML,, Oracle 12c, AIX, Red Hat Linux and Windows.

Confidential, Lynchburg, VA

Build Manager, Senior WebSphere Administrator

Responsibilities:

• Providing L2, L3 support for different incident, changes, and environment set up.
• Implement horizontal and vertical Clustering of WebSphere Application Server (WAS) in a workload-managed cluster involved modeling and cloning services in WAS 8.x/7.0
• Work with application team in test (Development, Performance, System and Implementation) environment to troubleshoot and fix the issues with their app.
• Setting up JVMs for high availability
• Building issuances for install/update/un-install of existing and new applications.
• Participate in meetings with project team and performance team to discuss requirements and also help them with analyzing the load and fine-tune the JVMs depending on the estimated load.
• Worked on procedures and knowledge items for 1st level support.
• Monitor the health of JVM using Dynatrace, Wily Interscope and take appropriate recovery actions in case a JVM going bad.
• Track the CPU and memory usage of JVMs and take necessary steps for recovery.
• Wrote scripts for restarting JVMs/deployment managers when they are OOM, monitor CPU usage and swap usage.
• Worked with WAS 3rd level in developing scripts that are capable of installing, uninstalling and updating applications.
• Attend problem management review meetings to identify the root cause of an issue and determine how these can be prevented in future.
• Attend meetings with 1st level support to fill in on the latest trends, issues and new procedures.
• Work ok intranet, setting up directories, deleting and editing as need by the business partner.
• Write/modify scripts to automate administration tasks using shell scripts.
• Provide 24/7 on call support in both non-production and production environment.
• Perform complex incident resolution including: identifying solution alternatives, recommending and implementing courses of action, and resolution of the incident.
• Document solutions for future reference.
• Communicate event trends for automation or root cause analysts.
• Work with a variety of areas including: customers, co-workers, business partners, server type owners and service providers.
• Work closely with Incident Management and other Problem Management teams.
• Report infrastructure incidents to the appropriate areas and resolve such incidents while maintaining incident ownership.
• Track and implement changes to the Web sphere and Middleware environments and servers.
• Monitor Java Virtual Machines (JVMs) for changes, performance characteristics, and availability.
• Build Linux packages using packaging tool and send it to application owner to deploy the package.
• Managing offshore team during Shift. Leading Onsite-Offshore model.
• Performance and Tunings of the application servers.

Environment: Websphere 7.0,/6.1, Web Sphere MQ 7.x, Websphere Message Broker 7.x, IBM HTTP Server, Oracle 9i, 10G,11G, 12c, AIX, Red Hat Linux, UNIX Shell Scripts, Perl.

Confidential

Senior System Engineer

Responsibilities:

• Technical Support involving Incident management, change management, problem management for IBM WebSphere Application server, IBM HTTP Server, Portal on Multiplatform (AIX 5.0/5.1, Z/OS, Windows).
• Installed, configured WebSphere Application Server, IBM HTTP Server, IBM Portal Server on multiple platforms like AIX, Linux.
• Configured the web-server interfaces (plugin file), session management, virtual hosts, Data Sources, HTTP transports for application server instances and applications.
• Experience in deploying, implementing, testing and supporting of Jboss Application Server.
• Experience in installing mod jk plugin for Jboss.
• Build and maintain the complex environments with applications implemented for architecture involving WebSphere, Portal.
• Install, test, configure, troubleshoot WebSphere application server on Clustered Environment
• Working with Production App support teams on deploying J2EE applications, changes and application related issues.
• Provided high-level technical assistance to application teams in Non-Prod & Prod environments.
• Deploy and troubleshoot issuances of J2EE business applications on WebSphere Application Server.
• Involved with Testing/performance team in Load and Integration testing of J2EE applications on WebSphere Application Server
• Worked on the tickets related to the installation, troubleshooting of the IBM HTTP Server, web server load balancing, OOM/Hung, Connection issues and other application related issues.
• Worked extensively on Web service, ORB and JMS & JDBC related issues.
• Product maintenance, applying fixes and maintenance levels
• Work on PMRs with IBM second/third levels to fix product related issues.
• Expertise in using the Wily Introscope, HP Diagnostic, and BMC Patrol for troubleshooting various performance related issues on Application.
• 24 x 7 on call rotation for Issues, fix/Release activities, Installation and maintenance of system software. Projects related to Enterprise Server Infrastructure process implementations, and completion of team ticket requests.

Environment: WebSphere 7.0/6.X, WebSphere Portal Server 6.0, iPlanet4.1, EJB, JSPs, Servlets, XML, Oracle 9i, 10G, AIX, Red Hat Linux and Windows 2000/NT.