• Administrated and maintained the IT Infrastructures that includes on-premises Servers and Storage/ Database Systems/ Network Infrastructure.• Coordinated project schedules, identified, and resolved technical problems on production, non-production, and DR environments. • Used Veeam backup to setup DR of Windows Server and migrated all Windows and Linux VMs from Hyper-V to VMware Clustered environments (after performing capacity planning, design, and requirements analysis).• Established robust vendor ticketing processes in alignment with SLAs and created comprehensive technical documentation through streamlined troubleshooting procedures and knowledge transfer.• Provided requirements for project tender documents (RFQ, RFP) and participated in proposals analysis and approvals during the bidding process and project commissioning.

• Performed diverse application installations on UNIX (Solaris/AIX/Linux) platforms and proficiently implemented hardware and virtualization projects, with a very high success rate and customer satisfaction.• Performed research tasks on new technologies and implemented several POCs and pilot projects at client side, resulting in successful contract negotiations and project implementation.• Configured servers (Oracle, IBM, Lenovo, Fujitsu, and HP), covering RAID setup, management ports, firmware updates, SAN mapping, and backup solutions. • Implemented Solaris SPARC/Linux server hardening based on CIS benchmarks to address vulnerability issues as per clients’ security policies.• Conducted auditing tasks, including IBM ILMT installation, on IBM servers. • Collaborated in relocating enterprise servers for major banking & financial institutions across datacenters; to reduce costs and/or infrastructure revamp.• Implemented health checks and reporting for UNIX Servers/OS and Oracle Databases, reducing system downtime, and ensuring adherence to SLAs with 24/7 support coverage.• Utilized OS utilities for monitoring and troubleshooting, including creating Explorer files to log SRs with Oracle Support, resulting in an increase in systems efficiency.

o Provided comprehensive Oracle DBA and Oracle APPS DBA support, including:• Setting up the environment, installing databases, managing users, and adhering to security protocols were prioritized tasks.• Implemented replication strategies using Oracle Data Guard to ensure both data integrity and continuity.• Automated backup, restoration, and log purging tasks were streamlined through RMAN scripts, which were seamlessly integrated with Veritas NetBackup.• Led Oracle EBS cloning efforts from Live/Production environments to Test instances, actively collaborating with functional teams to troubleshoot issues and apply necessary patches. • Leveraged various utilities such as frmcmp, adadmin, tkprof, rda, awr, ash, and addm to optimize performance.• Conducted database upgrades using expdp/impdp, dbua, or catupgrd.sql, and meticulously tested failover and switchover scenarios with Oracle Data Guard.o Performed diverse application installations on UNIX (Solaris/AIX/Linux) platforms:• Spearheaded OBIEE 10g/11g and Weblogic11g setup. • Upgraded Oracle Weblogic11g to address issues in Oracle Flexcube deployment | Implemented IBM Websphere for IBM Finacle integration.• Installed Oracle EBS 11g/12c, BI Publisher, and Fusion Middleware across UNIX systems. • Configured Oracle Apex (21C/23C) and Database 12.2 with Apache Tomcat. • Successfully deployed various open-source projects, including PHP and CentOS installations.

• Installed and configured Oracle Database on various Unix platforms.• Assist multiple Oracle Database / ERP upgrade projects.• Performed maintenance works and firmware updates on various servers.• Managed user accounts and permissions.• Participate in health check and preventive maintenance of servers and other equipment.• Scheduled database and server backups & purging via scripts.• Provided 24/7 Database and Systems support.