Data Support
Resume:
VIGNESH A
*******.*******************@*****.***
Professional Summary
WebSphere Administrator with 6.6 years of professional experience working primarily on designing, planning, installing, configuring, administering, tuning and troubleshooting of IBM WebSphere Application Server V6.1/V7/V8.X, IBM HTTP Server V6.1/V7/V8.X, JBoss, IBM WebSphere Enterprise Service Bus V6.1/V7.0 and IBM WebSphere Process Server V6.1
Freelancer at Utest.com/Upwork.com from Dec 2020
Attended a 6-week virtual classroom training for QA/BA with CloudBCLabs.
Have played a prime role in interacting with clients on gathering the requirements and building WebSphere environments.
Extraordinarily strong experience in complete life cycle of WebSphere Administration like Architecture, Design, installation, Configuration, Deployment, Scripting, Migration, and Trouble shooting
Well experienced in deployment solutions in High Availability (HA), Load Balancing configurations thereby eliminating single points of failure.
Experienced in managing the team as a lead and guiding the team from a technical perspective to ensure continuous delivery.
Extensive experience in release management
Experience in working with Incident Management, Change Management and Problem Management tickets.
Strong experience in automating WebSphere administration activities
Strong understanding of configuring clustering and load balancing for server products.
Have some experience on JBoss/Apache/WebLogic/MQ etc.
Extensively involved in advanced configuration like Service integration Bus, Web Services, Destinations, Message Activations, Listener ports, Queue Connection Factories, Queues, Application Servers, Clusters, Shared Libraries, Profiles, JDBC providers, Data Sources, URL Providers, JVM Custom Services, Environment Variables, etc.
Extensively involved in Installation of fix packs
Configured Secure Sockets Layers (SSL) for data encryption and client authentication and used iKeyman key utility to manage keys and certificates.
Retaining regular server backups as a part of disaster recovery plan, before doing any major configuration changes
Proficiency in development of automation scripts
Expertise in tracking problems and finding solutions by issuing tickets to IBM by generating PMR.
Configured LDAP and enabled global security for all Production and non-Production environments.
Experience in resolving severity one tickets created for production issues and delivered 100 percent SLA.
Experience in working with Salesforce.com.
Analyzing the Thread and Heap Dumps using IBM thread analyzer
Experience on Plug-in generation and propagation on WebSphere Server
Performed Application and JVM performance monitoring using IBM Tivoli Performance monitoring tool.
Experience in providing 24 7 On-call support for Production environment.
Ability to learn new skills/tools on demand and deliver excellent productivity/results in short time.
Excellent personal leadership skill to achieve goals and build strong collaborative relationship with team.
Skill Matrix
Servers
WebSphere Application Server V6.1/V7.0/V8.X
IBM HTTP Server V 6.1/V7.0/V8.X,
JBoss
WebSphere Process Server V6.1
WebSphere Enterprise Service Bus V6.1/V7.0
OperatingSystems
Windows, IBM AIX 5.3/7.1, RHEL 6.X
Languages
Java, XSLT, JavaScript, XML, HTML
Databases
IBM DB2, Oracle, SQL Server, MY SQL
Industry Knowledge
Insurance, Banking and Retail
Education
Bachelor of Engineering - Electronics and Communication from Anna University, India in 2007
Certifications
IBM WebSphere Process Server V6.1, System Administration
Project Experience
Freelancer, Denver, Colorado, USA Dec 20 – Till date
QA Tester
Utest.com/Upwork.com
Working as a Freelance QA tester at Utest.com/Upwork.com
Working on exploratory, functional, usability, API, payment and security testing
Department of Posts, Chennai, India Oct 13 – Oct 14
Senior WebSphere Administrator
Infosys Ltd
Environment: WebSphere Application Server V7.0 /V 8.X, IHS V 7.0/8.X, IBM AIX 7.1/RHEL 6.3
Responsibilities:
Installed and Configured the WAS version V7.0 / V8.X
Installed and configured IHS V7/8.X
Responsible for setting up Dev, Training, SIT, UAT, Pre-Prod and Production environments. which includes Installing the fix packs, Creating Profiles, nodes, federation of nodes, Clusters, WAS instances, Virtual hosts, Data Sources and Plug-in configuration
Have played a prime role in designing phase of project.
Managed and mentored team members.
Responsible for configuring, administering, deploying, testing, security Monitoring, tuning and troubleshooting for WebSphere Application Server V7.0/V8.X
Implemented monitoring of application and web servers using Nagios monitoring client.
Deployed WAR files on multiple Servers/Clusters and maintained Load balancing, high availability and Failover functionality.
Configured SSL communication between the Webserver Plug-in and the WebSphere Application Server
Enabled WebSphere global security using Local OS and LDAP
Tuned the JVMs by analyzing the must gather information for Application Server Hangs
Generated the Heap dump, Java core and analyze the dumps using Heap Analyzer and Thread Analyzer to fine tune the WebSphere JVMs.
Troubleshooting Production issues, worked on resolving Server Hang issues, High memory and CPU utilization issues in WebSphere Application Server V7/8.x
Troubleshooting Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs
Configuration and Administration of WAS using Wsadmin tool and Jython Scripting.
Involved in configuring WebSphere variable and Shared libraries.
Opened critical PMR with IBM to solve the problems in the WebSphere application Server and collected the Must Gather information according to IBM requirement.
Well experienced in resolving the Severity/Priority 1, 2 & 3 issues in a timely fashioned manner.
Provided 24x7 production support, best practice trouble shooting, monitoring, capacity planning, performance tuning, security and maintenance.
American International Group Inc, Chennai, India June 12 – July 13
Senior WebSphere Administrator
Hexaware Technologies Ltd
Environment: WebSphere Application Server V7.0, IHS V 7.0, WebSphere Enterprise Service Bus V7.0, IBM AIX 7.1/RHEL 6.3
Responsibilities:
Installed and configured WAS V7.0Production and Non-Production environments
Installed and Configured IHS V7.0
Installed WESB and created the Production and Non-Production WESB V 7.0 environments
Have played a prime role in requirements gathering and designing phase of project.
Provided recommendations on environmental standards, product leveling, performance tuning, new project consulting and broadened usage of WebSphere Server functionality
Implemented high availability and workload balancing solutions using vertical and horizontal scaling.
Interacted effectively with Source system/End system/development teams and fixed the issues compatibility during the initial development phase.
Experience in working with Salesforce.com.
Provided deployment and testing support to development and source/end system teams during the code migration from DEV to Production and resolving conflicts with other applications or at the infrastructure level if any.
Provided application support to resolve interface level issues by coordinating with the users and source/end systems like workday, salesforce etc.,
WESB administration using customized JACL / Python Script
Involved in configuration of all necessary WebSphere resources and done Performance monitoring and tuning.
Prepared Knowledge Acquisition Document required for smooth transition from the client.
Documented all the major/minor changes made in the server environments in detail for future tracking purposes.
Created and distributed the Knowledge Transfer documentations like Run Book and Build Book required for support staff to provide administration support.
Guided and mentored the support systems teams from a technical perspective to ensure the smooth running of the production servers and interfaces without any downtime.
Experience in resolving critical severity one tickets created for production issues and delivered 100 percent SLA.
Provided on-call support (24 7) for production environments.
Lloyds Banking Group, Chennai, India Dec 11 – May 12
WebSphere Administrator
Wipro Infotech
Environment: WebSphere Application Server V6.1/V7.0, IBM HTTP Server 6.1/V7.0, IBM AIX 5.3
Responsibilities:
Planning, Installing, configuring, administering, deploying, testing, security Monitoring, tuning and troubleshooting for WebSphere 6.1/7.0
Installed and Configured the WebSphere Application Server ND version 6.1/7.0
WebSphere Binaries installation on AIX 5.3
Installed and configured IBM HTTP Server
Co-ordinated with client’s SME and Managers
Responsible for J2EE Application Deployments, Service Integration Bus Configuration, Plug-in Configuration, Data Source Creation, Virtual Host Creation, Session management, clusters, Deployment Manager Configuration, Queues, QCF in WebSphere 7.0/6.1 on AIX 5.3
Extensively involved in Workload Management, Application High Availability, by creating the Server groups and vertical and Horizontal Clusters
Configured LDAP and enabled global security for all Production and non-Production environments.
Installed plug-ins for hosting web modules of Enterprise Applications on IBM HTTP Server on local and remote systems and on multiple web servers on same host.
Setting up the environment by coordinating with different teams for creating DNS, VIP and opening Firewall ports
Configuring the Application Servers against Active directory to authenticate the users accessing services deployed in WebSphere.
Coordinating with different teams like UNIX, Network, Server support for any issues
Enforce WebSphere Security- Authentication, Authorization, Creating Roles and setting User access levels.
Involved in troubleshooting, monitoring, tuning and diagnosing WebSphere Application Servers
Provided on-call support (24 7) for production environments.
Nissan North America, Chennai, India Jan 08 – Nov 11
WebSphere Administrator
Mahindra Satyam
Environment: WebSphere Application Server V6.1, WebSphere Process Server V6.1, WebSphere ESB V6.1, IBM HTTP Server 6.1, IBM AIX 5.3
Responsibilities:
Implemented high availability for the Production Servers through clustered techniques to ensure minimum downtime and business loss.
Installed and configured IBM HTTP Server
Installed, Configured, Administered and supported WebSphere Process Server/WebSphere Application Sever/WebSphere Enterprise Service Bus V6.1
Implemented Horizontal and Vertical Clustering
Administered and maintained WPS/WAS/WESB V6.1 in various environments including DEV, QA, STAGING and PROD
Involved in the creation of DEV, QA, Staging and Production environments
Installed Refresh packs, Fix packs for WebSphere Application Server, WebSphere Enterprise Service Bus and WebSphere Process Server V 6.1
Configured Secure Sockets Layers (SSL)
Configured IBM HTTP Web server plug-ins with WebSphere Application Server 6.1
Automated the various daily activities by developing scripts using wsadmin (Jacl/Python) scripting for application deployment on multiple server targets, creation of JMS queues, activation specifications, connection factories and authentication aliases.
Implemented Workload Management (WLM) using cloning and clustering techniques including horizontal and vertical cloning for failover and backup/recovery process.
Configured the Web Server interfaces, session management, virtual hosts and transports for WebSphere Application servers
Installed plug-ins for hosting web modules of Enterprise Applications on IBM HTTP Server on local and remote systems and on multiple web servers on same host.
Created different resources like JDBC providers, data sources, Resource Adapters, Destinations, JMS Queues, Queue connection factories and Activation Specifications.
Installed signer certificates in the WebSphere Server environments
Performance monitoring and tuning of database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
Monitoring the performance of the servers through Tivoli Performance Monitoring Infrastructure and generating server performance reports for identifying the scope of tuning WPS/WAS/WESB environments through infrastructure upgrades or configuration changes to optimize the dynamic middleware environments.
Handled maintenance of the WebSphere Servers on different platforms and setting up the environments compatible for the ongoing application development.
Assisted vendors by creating temporary clusters and necessary configurations in the existing environments for conducting POC for different projects.
Conducted training sessions for new team members on WebSphere administration.
Provided on-call support (24 7) for production environments.
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