Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Hareesh Enukonda

Bengaluru

Summary

  • Middleware Administrator with 6+ years of experience in managing, configuring, and troubleshooting various middleware platforms. Proficient in ensuring optimal performance, security, and availability of enterprise applications. Demonstrated ability to work in fast-paced environments, collaborate with cross-functional teams, and implement process improvements. Proven expertise in middleware technologies, such as JBoss, Oracle WebLogic, and Apache Tomcat. Seeking opportunities to contribute to the stability and growth of a dynamic organization.
  • Worked for more than 12 months in client location (Bangladesh) with E-VISA Work Permit for Leading Telecom Company GRAMEENPHONE.

Overview

6
6
years of professional experience

Work History

Senior System Administrator

Wipro Limited
Bengaluru
06.2023 - Current
  • Handling all the aspects of administration tasks such as day-to-day monitoring and maintenance, Installation, Configuration, Clustering, Deploying Applications, Troubleshooting, Load Balancing, Performance Tuning and Maintenance of JBOSS EAP, Weblogic and Tomcat Application Server.
  • As JBoss EAP Administrator, perform, monitor and manage upgrades, deployments and other changes to the servers and applications.
  • Configured High available clustered JBoss EAP App server environment using multiple Domain managed servers.
  • Encrypted the passwords in JBoss EAP EAP configuration files using Vault.
  • Worked with team members to create RFC requests to schedule production application deployment and maintenance activities.
  • Monitor Cron jobs and coordinate with Production control teams to resolve the alerts.
  • Configured Secure Sockets Layers (SSL) for data encryption, client authentication on Servers and renewal of wildcard SSL every year.
  • Performed Performance tuning of JVM heap size, GC, Java stack trace analysis.
  • Provided 24/7 on call support in both testing and production environments.
  • Worked in taking and analysis of thread dumps, core dumps, server hang and high CPU utilization conditions
  • Monitored error logs, fixed problems and tuned parameters in JBoss EAP environment.
  • Automated the L1 tasks by using the shell script and cron jobs.
  • Configured user accounts, permissions and access rights in accordance with company guidelines in Oracle OBIEE.
  • Assisted in developing disaster recovery plans for mission-critical applications.
  • Monitored system performance on a daily basis and identified potential areas of improvement.
  • Checking daily servers health check and providing the monthly availability to the client.
  • Proficient in deployment and troubleshooting of JAR, WAR and EAR files in domain and clustered environments of JBoss EAP server.
  • Handling Incidents, Change Requests, Problems and Service Requests.
  • Created detailed documentation and architectures of existing systems and processes for future references.
  • Resolving all assigned tickets with in the SLA time.

Sr. IT Administrator-Middleware (OnSite)

Wipro IT services Bangladesh Ltd
Dhaka
06.2022 - 05.2023
  • Linux troubleshooting with infra hands on over JBOSS EAP, WebLogic servers in Clustered environments and handling global telecom customers.
  • Maintained and administered various Middleware application servers like WebLogic, JBOSS, Apache and Tomcat.
  • Checking daily servers health check and providing the monthly availability to the client.
  • Handling more than 500 critical Middleware Servers.
  • Automated Health Check Report has been implemented.
  • Resolving all assigned tickets with in SLA time.
  • Providing Day/Weekly Support and Maintenance for Middleware Servers.
  • Troubleshooting production performance issue (Monitoring Application Server Error log).
  • Resolved Most Critical Middleware Server Performance Issues though identify the Root cause.
  • Actively working on VA Mitigation to comply with the SOC team policies.
  • Encrypted the passwords in JBoss EAP EAP configuration files using Vault.
  • Assisted in developing disaster recovery plans for mission-critical applications.
  • Client interaction to make sure the high priority P1 tickets are taken care properly.
  • Monitor Cron jobs and coordinate with Production control teams to resolve the alerts.
  • Provided 24/7 on call support in both testing and production environments.
  • Experienced in using Verbose GC for garbage collection and tuning Heap size to reduce memory leakage.
  • Monitored error logs, fixed problems and tuned parameters in JBoss EAP environment.
  • Trained junior staff members on best practices related to system administration tasks.
  • Checking daily servers health check and providing the monthly availability to the client.
  • Supporting other teams during the daily planned activities like OS patch, DB patch/ Upgradation and application deployments.
  • Resolving all assigned tickets with in the SLA time.
  • SSL Certificate renewal.

Senior System Administrator

Wipro Limited
Bengaluru
11.2021 - 05.2022
  • Maintained and administered various Middleware application servers like WebLogic, JBOSS, Apache and Tomcat.
  • Deployment and troubleshooting of JAR, WAR and EAR files in domain and clustered environments of JBOSS server and Weblogic.
  • Collaborated with other team members to develop new system architectures to meet changing business requirements.
  • Integration of Apache web server with JBoss EAP application server using mod_jk to communicate between Web server and Application Server.
  • Create, maintain, configuration and tune services such as JDBC Data Sources and Connection Pools on JBOSS Application Server.
  • Providing the user access based on role using the RBAC in JBOSS EAP.
  • Actively working on VA Mitigation to comply with the SOC team policies.
  • Assisted in developing disaster recovery plans for mission-critical applications.
  • Installed patches on servers according to the patch management policy of the organization.
  • Monitored system performance on a daily basis and identified potential areas of improvement.
  • Involved in various critical outages and team meetings to solve various issues and discuss future plans and steps.
  • Coordination and implementation of production releases.
  • Analyzing various server logs and thread dumps and heap dump to perform Root cause Analysis on JBoss EAP Application Server.
  • Resolved Most Critical Middleware Server Performance Issues though identify the Root cause.
  • Providing 24x7 on-call production support and troubleshooting problems related to Application Servers.

Software Engineer

Lrnr Global Infotech Pvt Ltd
Bengaluru
11.2017 - 11.2021
  • Installation, Configuring and troubleshooting the JBoss, Weblogic and Apache Tomcat Servers.
  • Worked on both Standalone and Domain mode.
  • Experience in deploying .war applications in Apache tomcat.
  • Expertise in Installation and Configuration of Apache Web server.
  • Deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments.
  • On-call support (24x7) Monitoring and maintaining multiple applications at production.
  • Integration of Apache server with jboss app server using mod_jk plugins.
  • Creation of server groups and profile assignments to the server groups in a domain.
  • Implement Highly Available Middleware Infrastructure for J2EE applications based on the requirements.
  • Involved in configuration of (Jboss EAP, Apache Tomcat Application Servers) resources like JDBC DataSources, JDBC Providers and Connection Pooling to connect to the DB2 and Oracle.
  • Involved in configuring SSL for Apache HTTP server and Jboss Application Server.
  • Involved in patching activities on Prod and Non-Prod environments.
  • Participating in weekly server maintenance and OS upgrades.
  • Responsible for creating clusters, cluster members to implement High Availability and Work Load Management.
  • Troubleshooting issues related to application slowness, struck threads and Out of Memory issues.
  • Took Heap Dumps and Core Dumps for analyze JVM crashes/issues.
  • Participate in process meetings to describe about the implementation plan with proper redundancy and impact analysis for development, maintenance and upgrade activities.
  • Client interaction to make sure the high priority P1 tickets are taken care properly.
  • Attending calls and group chats for high priority incidents and attending Service Delivery Review meeting to explain the resolution for the P2 & P3 tickets which helps in building the Known Error Database.
  • Handling Incidents, Change Requests, Problems and Service Requests.

Education

Bachelor of Technology - Computer Science

Jawaharlal Nehru Technological University
Anantapur
04.2015

Skills

  • Middleware Technologies: JBOSS EAP (6X, 7X), Weblogic (12C), Apache, Tomcat (8X, 9X) and Apache (2X)
  • OS: Linux, Solaris and Windows
  • Ticketing Tools: JIRA, Zoho, Zendesk, ServiceNow and IDM
  • Scripting: Shell script, JBOSS CLI and WLST
  • 24/7 Application Monitoring and Technical Support
  • Experience with DynaTrace, Jenkins, Putty, Remote Desktops and mysql queries
  • Change management: Preparing MOP, Runbook and Attending TCAB
  • Incident management: Attending the WAR room to resolve the IN and also preparing the RCA and PIR reports
  • Prepare SOP and Architectural Diagram
  • Maintaining Asset Management & Capacity Management
  • Application support during OS patch, DB patch/Upgradation and application deployment
  • DR Drill/Failover activities
  • Excellent Communication

Languages

English
First Language
Telugu
Proficient
C2
Hindi
Upper Intermediate
B2

Timeline

Senior System Administrator

Wipro Limited
06.2023 - Current

Sr. IT Administrator-Middleware (OnSite)

Wipro IT services Bangladesh Ltd
06.2022 - 05.2023

Senior System Administrator

Wipro Limited
11.2021 - 05.2022

Software Engineer

Lrnr Global Infotech Pvt Ltd
11.2017 - 11.2021

Bachelor of Technology - Computer Science

Jawaharlal Nehru Technological University
Hareesh Enukonda