VISHAL KARWA
Abu Dhabi
Summary
Seasoned Middleware Administrator and Application Support Analyst with 7-year experience. Progressive experience marked by continuous contributions above and beyond requirements. Highly effective at problem solving and decision making.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Application Support Administrator
3i-Infotech Limited
12.2022 - Current
- Involved in the installation of WebLogic, Jboss, Tomcat servers and Configuring domains for new environments.
- Deployment of web and enterprise applications and their updates in production, pre-production env's.
- Troubleshoot incidents reported by end-users to schedule system changes and identify permanent solutions.
- Participated in on-site requirements gathering sessions and translated client requirements to determine project scope.
- Expertise in SQL formation and optimizing the same.
- Performed the analysis of Logs, Thread Dump and JVM Memory usage and gave recommendations for better performance of the clustered Web logic environment.
- Involved in Release management like planning, scheduling, and deploying releases.
- Support for Mission Critical Applications with 0 to minimum Downtime.
- Upgradation of Weblogic servers, webservers, and Java in development, testing, and production Environments.
- Provided active support for Load/Stress Testing, troubleshooting, and Performance tuning.
- High Availability, Failover, Network routing, and Load Balancing between the servers.
- Actively worked on resolving Security Vulnerabilities by making necessary configuration changes, and applying relevant product patches at Webserver and application Server.
WebLogic Administrator and DevOps Engineer
Edirham
07.2018 - 11.2022
- Provided support for stages of WebLogic implementation, triaging and remediating presented issues with timely responses.
- Implemented high availability and fault-tolerant administration strategies to load balancing tasks.
- Identified bottlenecks in messaging infrastructures to provide compliance with service level agreements.
- Configured and created Data Sources, Connection pools.
- Monitored automated build and continuous software integration process to drive build/release failure resolution.
- DB Connection String, JMS queues, and topics.
- Involved in the Installation and configuration of Various CI/CD tools like SVN, GIT, Maven, Jenkins, SonarQube, and Nexus repository.
- Wrote code and developed tools and integrations to meet cross-platform user needs.
- Have good knowledge of troubleshooting the issues associated with CI/CD
- Deploying JAR, WAR and EAR Applications on various targeted clustered environments
- Investigating the issues and fixing them,In case of a Runtime issue, gathering runtime files then analyzing them and finding the root cause analysis
- Setting up SSH keys for different application user ids for automating tasks from remote boxes
- Worked on UNIX command line utilities and having hands-on experience with commands to support the environment
- Involved in documentation of environment using Visio tool.
- Troubleshooting and monitoring the Weblogic application servers for Performance by tuning JVM heap size.
- Involved with the vendors and support teams in troubleshooting and fixing day-to-day problems of the applications in production.
- Provided 24/7 basis on call support for production.
L2 Support Analyst
Vodafone UK
11.2016 - 06.2018
- WebLogic Application Server 10g/11g, Apache 2.2.
- Handling Incident tickets and change activities.
- Responding to the tickets immediately,according to the process and SLA.
- Production on-call support for production tickets on 24/7 basis.
- Deployment of web and enterprise applications and their updates in production, pre- production using Admin console.
- Performed analysis of Logs Thread Dump and JVM.
- Memory usage and gave recommendations for better performance of clustered Web logic environment.
- Involved in Release management like planning, scheduling, and deploying releases.
- Broke down and evaluated user problems, using test scripts, personal expertise, and probing questions.
- Answered customer support inquiries via specialized ticket tracking platforms.
- Skilled at Troubleshooting using Logs and Log Analyzer
- Worked on PL/SQL language to query oracle DB for fetching the stats likeorder details, order counts for comparison to business, customer info related to orders .This involved working with tables, views, joins, and schemas where we used PL/SQL concepts
- Used AppDynamics & Splunk tools effectively to monitor server performance, creating health rules.
Education
B.Tech -
Maulana Abdul Kalam University(WBUT)
Kolkata, India07.2016
Skills
- Unix Environments
- Weblogic 12c/19c , JBoss Application Server
- Shell Scripting
- Cloud Management
- Network Firewall Management
- Webcenter Content/Portal
- Oracle Service Bus , Oracle SOA
- Oracle HTTP Server, Apache, Nginx
- Kubernetes, Docker, Jenkins, SVN, GITLAB
- BMC Remedy , ITSM, JIRA
- Splunk , Appdynamics
- Production Troubleshooting
Certification
- AWS Sysops Administrator - 2022/09
- AWS Cloud Practitioner - 2022/04
Timeline
Application Support Administrator
3i-Infotech Limited
12.2022 - Current
WebLogic Administrator and DevOps Engineer
Edirham
07.2018 - 11.2022
L2 Support Analyst
Vodafone UK
11.2016 - 06.2018
B.Tech -
Maulana Abdul Kalam University(WBUT)
Similar Profiles
Sagar Rajaram GuravSagar Rajaram Gurav
Specialist - PLSQL Developer at 3i infotech limitedSpecialist - PLSQL Developer at 3i infotech limited
Vattikuti kiran kumarVattikuti kiran kumar
AWS Devops Engineer at 3i infotech LimitedAWS Devops Engineer at 3i infotech Limited
ANNIE VERONICAANNIE VERONICA
Software Associate at 3i InfoTech LimitedSoftware Associate at 3i InfoTech Limited