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WAS administrator/Build Engineer

Location:
Charlotte, North Carolina, 28277, United States
Salary:
55
Posted:
December 13, 2010   all resumes
Email:
vcndyk@r.postjobfree.com
Contact Info:
*****.*******@*****.***


Rohit Chaubey
***** ****** ***** **
Charlotte NC 28277
704-***-****
vcndyk@r.postjobfree.com

Experience Summary:

Websphere Administrator/System Engineer with 4+ years of extensive experience.

• Building application and deployment on Websphere/Weblogic domain
• Configure and maintain servers and processes across multiple environments, including monitoring of system health and performance, automating regular processes, scheduling upgrades, and assisting with delivery issues.
• Develop unix shell scripts / utilities to automate repetitive tasks (back-ups, refreshes, failovers, etc.)
• Primary point of contact for any environment/build related issues
• Implement patches, updates, and fixes as necessary following established Change Management processes
• Install, configure, and administer servers, including multiple server instances, standalone, clusters, connection pools, plug-ins, and JDBC drivers
• Deployed Enterprise Applications
• Utilized working knowledge of J2EE and Java development to troubleshoot technical issues (error messages, software bugs, availability, etc.)
• Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling
• Creation of Builds for System Integrated, Load and pre-Production Environments
• Performance Tune WAS/Weblogic by configuring caching, queuing, pooling, JVM parameters
• Jboss web application server administration
• Familiarity with software development lifecycles and programming practices
• Independently analyze and correct production issues in real time.
• Develop Workload Management/ Scalability / High-Availability strategies (clusters, load balancing, session state management, etc.)
• Carried out modification and reconfiguration of deployed applications
• Managed the security of application by using different processes
• Deployed application tuned for performance and workload management
• Mentoring junior staff and providing technical leadership to large-scale projects
• Monitoring various metrics of the application server environment
• Participate effectively in execution of projects to support development, integration, production, and infrastructure deliverables

Key Skills

Middleware IBM WebSphere Application Server 7.x/6.x/5.x/4.x, Weblogic 8x, Portal 6.1/5.1x, JBOSS, WMB (Websphere Message Broker)
Hardware / OS UNIX, IBM AIX 5.3, Red Hat Linux, I- series ,Windows 95/98/NT/2K and 2003, Solaris 10
Monitoring Tools Tivoli Performance Viewer, Thread Analyzer, Log Analyzer,
Java/J2EE Tech XML, J2EE 1.2/1.3, JDBC, Servlets, JSP, RMI, EJB, JNDI, JMS, SOAP,
Database Oracle 10g/9i/8i/7.x, DB2 UDB 7.x/6.x,
Protocols TCP/IP, DNS, HTTP 1.1, LDAP, RMI/IIOP, SOAP, WSDL
Web Tech HTML, JavaScript, JSP, XML, XSL and DTD
Web Servers iPlanet, IBM HTTP , IIS, Tomcat,

Education

Bachelor of Engineering from Manipal Institute of Technology, Manipal, India (ranked amongst top 20 institutes in the country) with GPA of 3 out of 4 in year 2006.

Professional Experience

Bank of America, Charlotte NC
May 2009 – till date
IBM-WebSphere Administrator
Responsibilities:
• Installation, Configuration and Administration of IBM WebSphere Application Server 5.1/6.0.x on AIX/Linux platform
• Trouble shooting errors both Application & JVM also analyzed heap/core plus error logs – configured tuned JVM for optimum performance.
• Created and managed data source and database connection pools.
• Involved in performance tuning of Application Server, Web Container, EJB Container and database connection pool.
• Coordination between Application Support Team(Team supporting the application), Testing team, Release Management (Team responsible for releasing application in Production Environment), Compliance Team, Infrastructure Team, Capacity Management Team, Architecture Board, License Management for streamlined successful application release in Production Live environment.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on AIX.
• Configured Clusters and Instances for improved availability and failover capability
• Extensively used the Thread Analyzer to detect and analyze application problems
• Analyzing the scalability of applications with the help of tools like IBM Tivoli Site Analyzer
• Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling.
• Involved in setting up JVM tuning parameters after extensive R&D on trial & hit basis – specifically parameters to enable inter core-group communication (for affective WLM) such as (cluster preload, xgcthread) garbage collection.
• Regularly attended meetings on behalf of Middleware Team & co-ordinate with different teams for task accomplishment.
• Created IBM Problem Management Records (PMR) to report WebSphere Application Server problems. Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture Tool and Collector Tool.
• Involved in architecting core-groups in the environment their by logically separating related application JVM into single core group to enhance performance.

Citi Bank North America,
July 2007 – Apr 2009
IBM-WebSphere and Portal Server Administrator
Responsibilities:
• Installation, Configuration and Administration of IBM WebSphere Application Server 6.x/7.0 on Solaris 10.
• Involved in complete infrastructure setup and configuration which included WebSphere ND 6.x/7.x, SiteMinder 6.0
• Trouble shooting errors both Application & JVM also analyzed heap/core plus error logs – configured tuned JVM for optimum performance.
• Involved providing support to wide variety of applications in a diverse setup which included WAS 6.1/7.0, Portal 6.1 MQ 5, & Documented on Solaris platform.
• Installed new setup for Portal, implemented clustering & also upgraded it from 5.1.0.1 to 5.1.0.3 & later to 6.1.
• Used ANT script to automate the build and deploy process.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on AIX.
• Configured Clusters and Instances for improved availability and failover capability
• Extensively used the Thread Analyzer to detect and analyze application problems
• Analyzing the scalability of applications with the help of tools like IBM Tivoli Site Analyzer
• Adding the LDAP certificates through ikeyman
• Updating with the Latest Fix-packs.
• Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling.
• Created IBM Problem Management Records (PMR) to report WebSphere Application Server problems. Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture Tool and Collector Tool.
• Involved in setting up JVM tuning parameters after extensive R&D on trial & hit basis – specifically parameters to enable inter core-group communication (for affective WLM) such as (cluster preload, xgcthread) garbage collection.
• Regularly attended meetings on behalf of Middleware Team & co-ordinate with different teams for task accomplishment.
• Performed 24/7 on-call support on rotation & mentored new-comers during team expansion.

Deutsche Bank,
July 2006 –June 2007
BEA Weblogic and JBoss Administrator
Responsibilities:
• Code Version Management through VSS
• Development of Unix shell Scripts and Pl/SQL procedures
• Creation And Maintain Domains(Dev-ST-SIT-UAT)
• Creation and Maintenence of Weblogic Domain.
• MasterCraft configuration and Environment creation.
• Movement of Code/Executables from one environment to another.
• Troubleshoot-Logging Domain Side defects and analyze the causes
• Monitored Applications and Weblogic performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling.
• Configured Clusters and Instances for improved availability and failover capability
• JBoss Administration and trouble shooting
• Provide 24x7 support on rotational basis.

Skills/Abilities

• Responsible for deploying all enterprises application in a company
• Have good knowledge of Websphere Application Server Network Deployment (WAS ND) and integration with IHS (IBM HTTP Server)/Apache plug-in
• Have superb knowledge of unix shell scripting
• Experience with J2EE(JSP, Servlets, Java) and Microsoft .Net(ASP.net, AJAX, HTML, VB.net) platforms/architectures
• Troubleshooting expertise in any environment/application related issues
• Exceptional capability to modify and reconfigure application
• Capability to automate various manual processes using scripting and build tools
• Ability to thrive in a team-oriented, fast-paced environment
• Excellent technical written and verbal communication skills