ESWAR D
Middleware Administrator
Kadapa
Summary
Middleware & Application Support Engineer with 5+ years of experience in administering and supporting enterprise applications using WebLogic, JBoss, and Apache Tomcat. Strong expertise in production support, application deployment, clustering, and high availability environments, with hands-on experience in managing critical systems across Linux and AIX platforms.
Experienced in handling P1/P2 production incidents, performing root cause analysis (RCA), and ensuring minimal downtime. Skilled in JDBC configuration, WebLogic Node Manager configuration, SSL certificate management, and JVM performance tuning. Proficient in automation using Jenkins and collaborating with cross-functional and third-party teams to deliver stable, secure, and high-performing middleware solutions in 24/7 production environments.
Overview
6
6
years of professional experience
Work History
Middleware Administrator
JOHNSON ELECTRIC PVT LTD
03.2024 - 09.2025
- Administered WebLogic, JBoss, and Apache Tomcat servers across production and non-production environments
- Deployed and maintained enterprise applications (EAR/WAR files) with minimal downtime
- Configured and managed WebLogic clusters (Horizontal & Vertical) to ensure high availability and failover support
- Installed and configured Node Manager for automated server lifecycle management
- Configured JDBC DataSources, Multi DataSources, and ensured reliable database connectivity
- Implemented SSL certificate installation and renewal to maintain secure communication
- Monitored server health and analyzed application/server logs for troubleshooting and issue resolution
- Resolved P1/P2 production incidents within SLA timelines and performed root cause analysis (RCA)
- Automated server start/stop processes using Jenkins to improve operational efficiency
- Collaborated with cross-functional teams and third-party vendors to resolve critical production issues
- Installed patches, fix packs, and updates in silent mode for system maintenance
- Tuned JVM parameters (Heap size) to optimize application performance
- Integrated Apache web server with WebLogic/Tomcat using mod_jk and OHS configurations
- Managed change requests (CRs) by coordinating approvals and executing implementation steps
- Ensured smooth day-to-day production support operations and system stability
Sr. System Administrator
CANAN TECHNOLOGIES
05.2022 - 03.2024
System Administrator
ESHYAN INFRATECH
10.2017 - 11.2020
Education
B.com - Computers
Sri Venkateswara University
Kadapa, Andhra Pradesh. 04.2001 -
Skills
WebLogic Administration
JBoss Administration
Apache Tomcat
Application Deployment (EAR/WAR/JAR)
WebLogic Clustering
High Availability
Incident Management
Production Support
Root Cause Analysis (RCA)
JDBC Configuration
Jenkins
Linux/Unix
Apache HTTP Server
SSL Certificate Management
WebLogic Node Manager Configuration
Timeline
Middleware Administrator
JOHNSON ELECTRIC PVT LTD
03.2024 - 09.2025
Sr. System Administrator
CANAN TECHNOLOGIES
05.2022 - 03.2024
System Administrator
ESHYAN INFRATECH
10.2017 - 11.2020
B.com - Computers
Sri Venkateswara University
04.2001 -