SUMMARY

• IT professional having 9+ years of industrial experience with Infosys in various teams/areas of business.
• Have gained substantial experience in Technologies such as WebSphere Application Server, WebLogic Application Server, Tomcat Application Server, IBM HTTP Server, Oracle HTTP Server, Apache HTTP Server, Informatica and Mantas Technologies. In addition, have good experience in Docker, Kubernetes and OpenShift Technologies.
• 9 years of extensive experience in installation, configuration and maintenance of WebSphere Application Server Administration 7.x, 8.x, 8.5.x and 9.x on various platforms like AIX, UNIX and LINUX.
• Strong technical knowledge includes fail - over support, workload management (WLM) using horizontal scaling and vertical scaling and performance tuning.
• Well experienced in installing and integrating IBM HTTP Server (7.x/8.x/8.5.x), Oracle 11g with IBM WebSphere Application server on various platforms.
• Experienced in defining WebSphere resources such as JDBC providers, Data sources, MQ Queue connection factories, Queue destinations and Message driven bean listeners.
• Experienced in applying patches for WAS/IHS, generating plugin and propagating to Web Server, IHS (7.x/8.x/8.5.x).
• Experienced in performing fix pack upgrade and migration from 7.x to 8.5.x for WebSphere Application Server.
• 9 years of experience in installation, configuration of Oracle WebLogic Application Server (10.3/11g/12c) on Linux.
• Well experienced in installing and integrating Oracle HTTP Server (11g), with WebLogic Application server on Linux.
• Experienced in defining WebLogic resources such as JDBC providers, Data sources, JMS Servers, Connection Factories and Queues.
• 5 years of extensive experience on Tomcat Application Server (8.x) and Apache HTTP Server (2.x).
• 2 year of strong Experience on Docker, Kubernetes and OpenShift Technologies.
• Troubleshooting issues in OpenShift Environment using the various oc commands.
• Extensive experience in requesting SSL Certificates and configuring SSL for all the Middleware Technologies.
• Efficient in integrating LDAP with WebSphere Application Server and WebLogic Application Server.
• Extensive experience on Installation and Configuration of SiteMinder on all the Middleware Technologies.
• Expertise in writing shell scripts for various administration activities on Linux.
• Experienced in performing Heap Dump Analysis and Thread Dump Analysis to get Root cause of various issues faced in different platforms.
• Proficient in configuring All Middleware Technologies with monitoring tools like App Dynamics and Wily Introscope.
• 2 years of experience in Installation and administration of Informatica (9.5.0/9.6.1 ) Repository services and Integration services. 2 years of experience in Mantas Administration and Cloning of different Mantas Environments.
• Dealing with High CPU & Memory Issues in Windows/Unix Servers for improved performance of application and its components.
• Work with the development staff and application vendors to determine project requirements for test & production environments.
• Monitor systems capacity and performance, plan and execute disaster recovery procedures, and provides Tier 2 technical support.
• Created Root Cause Analysis (RCA) document for critical issues, Project Plans for new application on-boarding, Build-documents for server prerequisites.
• Superior skills of problem analysis with exceptional ability to follow project standards, procedures, and applications.
• Leadership abilities including effective knowledge sharing, conflict resolution, facilitation of open discussions, fairness and displaying appropriate levels of assertiveness.
• Ability to effectively gather and refine the requirements from users and management, proficient troubleshooting skills. Ability to manage time spent on multiple projects to meet deadlines, work independently and as part of a team.
• Technical leadership with responsibility for delivering technical services and delivery on-time.
• Self-motivated and dedicated fast learner with good communication and interpersonal skills.

TECHNICAL SKILLS

Application Servers: IBM Web Sphere, Oracle WebLogic, Tomcat

Web Servers: IBM HTTP Server, Oracle HTTP Server, Apache HTTP Server

Operating Systems: IBM AIX, Red hat Linux, Microsoft Windows

Java/J2EE Technologies: JDBC, JSP, JMS, JNDI

Protocols: TCP/IP, HTTP/HTTPS

Databases: Oracle 11g, Sybase

Languages and Scripts: Java, wsadmin, Shell scripting

PROFESSIONAL EXPERIENCE

Confidential - TAMPA, FL

MIDDLEWARE ADMIN

Responsibilities:

• Installation, configuration and administration of Web Sphere Application Server, WebLogic Application Server, IBM HTTP Server and Oracle HTTP Server.
• Scheduled and non-scheduled installation of WAS and IHS fix packs on production and various Test environments.
• Creating Cells/Nodes/Application Servers, federating nodes as well as creating/configuring application server clusters.
• Creating WebLogic domains and managed servers as well as creating/configuring application server clusters.
• Creating IHS instances and integrating it with SiteMinder and WebSphere Application Server.
• Creating OHS instances and integrating it with SiteMinder and WebLogic Application Server.
• Scheduling jobs related to infrastructure like scheduled restarts, Disk Monitoring, Health Monitoring in Autosys (or) Crontab.
• Configuration and administration of application resources such as JDBC Providers, Data Sources, Virtual Hosts, Global Security, JMS and LDAP.
• Generation of Plugin File in WebSphere Application Server and propagating it to IHS Servers and solving any integration issues.
• Integrating WebLogic Application Server with Oracle HTTP Server using module configuration File (mod wl ohs).
• Installation and Configuration of Web Sphere Commercial Edition (WASCE) Servers.
• Deployment of Enterprise applications on WASCE Environment.
• Troubleshooting any issues related to application startup on WASND/WL/WASCE Environment by scanning the Server logs.
• Managing the code release from development to UAT or QA to Pre-production and Production.
• Deploying and managing the J2EE applications on development, testing (UAT) and Production environments.
• Performing SiteMinder installation and host registration to integrate it with IBM Http Server/Oracle Http Server.
• Expertise in administering & maintaining both Production and testing environments.
• Expertise in handling the SSL certificate parts. I am having knowledge of requesting and applying the SSL certs as per the requirement. I have managed various certs for production and test environments using tools like keytool, iKeyman, Orapki.
• Configuring JDBC, Data source/connection pool in Different Application servers.
• Automated Application server restarts, Health Checkup and Initial Diagnosis of application issues using Unix Shell Scripting.
• Participating in DR/COB tests conducted by the organization to ensure that the DR servers are in synchronization with the Production server.
• Generating various dumps like heap dumps and thread dumps depending on the nature of the issue and analyzing it with the help of IBM Heap Analyzer and Eclipse Heap Analyzer (MAT).
• Ensuring proper functioning of the overall system and its interaction with other applications and components such as DB and Web-services.
• Troubleshooting and resolving the problems faced in the testing phase in conjunction with the development team, testing team, networking team and vendors.
• Good in Troubleshooting issues related to Class Loader Exceptions, JDBC Exceptions, SSL Exceptions and Other Exceptions by scanning the logs and providing fix for the problems.
• Configuring AppDynamics/Wily Setup for monitoring the performance of the application.
• Diagnosing the cause of the issue faced within the application using AppDynamics Tool and drilling down to the particular class which caused the issue.
• Raising and follow up on IBM PMR (Problem Management Record) for issues related to IBM Web Sphere and IHS.
• Raising and follow up on Oracle SR (Service Request) for issues related to Oracle WebLogic and OHS.
• Installation and Configuration of Informatica (9.5.0/9.6.1 ) Repositories and Integration Services.
• Installation, Configuration of Mantas (5.7.2/5.9.0 ) and cloning the environments.
• Experience in Migration of Mantas from 5.7.2 to 5.9.0 and Informatica from 9.5.0 to 9.6.1.
• Conference call with customers and other teams, thus building up a very strong customer rapport and communication structure.
• Performing Performance monitoring, load testing of an application with different number of users to determine the load on server and improve the performance of server.
• Ensuring that the SLA compliance is strictly followed with value-additions.
• Possessing the ability to adopt new technologies easily. Understanding the environment, problem & change management

Confidential

WebSphere Administrator

Responsibilities:

• Deploying the WebSphere applications in different environments. Write scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc.
• Experience in installation, configuration, and management of enterprise applications using WebSphere Application server 7.x/8. x. Deploying the applications in WebLogic and WASCE environments.
• Configure SSL on WebSphere 7.x/8.x and generate the certificates using open SSL and import the certificates to the key store using KeyTool GUI. Documented all procedures and any other important issues.
• Monitoring and maintaining multiple applications in Development, QA, Staging and Production environments.
• Scheduling Server Health checkup scripts and daily restart/Weekly restart jobs using Crontab and Autosys.
• Troubleshooting on issues related to Class Loaders Exceptions, SSL Exceptions and Other Application related issues on WebSphere/WebLogic. Tracking high priority or critical issues with respective vendors and follow-up until the issue stands resolved. Creating and Maintaining Procedures and documentation for ongoing support and upgrades.
• Deployed applications in all the environments like production, UAT and DEV.
• Updating data source/Java Messaging service configuration settings.
• Making sure that the DR Application servers are synchronized with the Production servers after any release in the Production environment. Participation in on-call rotation supporting 24x7 critical production applications.