• Responsible for Administration, Configuration & Provide Technical Support 24/7 for 450+ Linux OS running Core Banking & Allied Applications.• Implemented Linux Servers maintenance, Upgrades, Backup, Restoration, System Security Hardening, patches, hot fixes on Linux, CIS Security Controls on both PR and DR Environments.• Deployment & Administration of Oracle KVM Solution (Oracle Kernel Virtual Manager) running Linux based Core Banking UAT & Development Environments.• Migration of machines from VMware to KVM.• Daily system health check.• Strong understanding of Linux server OS Hardening.• Deployment & Administration of Ansible server (AWX) to automate daily base system administration tasks.• Strong understanding of YAML language to write Playbooks for automation tasks. • Configuration of LVM and managing the volumes.• Shell scripting for critical reporting and alarms.• Working with Docker and Kubernetes environment.• Worked with Ansible server, configuration and management.• Worked with Oracle Exalogic /Exadata Engineering System.• Strong understanding of Linux server Tuning.• Administration of webserver like apache and tomcat.• Applying SSL certificate.• Worked with system monitoring software tool Zabbix.• Managing successful DR drills with complete fail-over.

• Expertly heading designing, implementing, installing, configuring and troubleshooting Linux and Microsoft windows Servers. Skillfully monitoring system performance and troubleshooting of multiple problems.• Proficiently working on on-premises data center on VMware.• Diligently monitoring and creating virtual machine and ESXi hosts on VMware. • RHEL OS Upgrade.• Application compatibility check.• Backups & restoration.• OS and all pre-requisites Installation.• RHEL subscription Management.• Migration/ Data Syncing.• Other Operational Tasks.• Windows Security patches installation.• Software/RPMs installation.• OS Hardening.• VMs creation and Storage provisioning using LVM.• Configuration of LVM and managing the volumes.• Daily AIX, Linux, Windows OS and Infrastructure Health Check.• Vulnerabilities fixation.• Application deployments.• Creation of Consistency groups in Recover Point Appliance of newly created VM for replication to DR Site.• Coordination with Technical Support.• Managing DC Inventories, documentation for Audit Purpose, SLAs and other Support Agreements.• Trend Micro server administration.• Worked with system monitoring software tool system Engine.

• System administration of Linux base Operating system.• Daily system health check.• Administration of IBM Domino Server (6500 Users).• Server performance, Memory and Fine tuning.• Giving remote support to end users for troubleshooting Lotus note client 7 and 9.• Administration of Squid server in Oracle Enterprise Linux for Internet filtration • Managing Linux operating • Oracle Linux based Server administration and performance monitoring.• Worked with different (ACL, files, logs) of squid server. • Worked with squid server KPI indicators for smooth running.• Administration of Kaspersky Server more than 6500 nodes. • Installation and configuration of Kaspersky security center 11.• Server performance monitoring.• Up gradation of KSC kit 10 to 11.• Worked with different security control features (web, device and application level).• Worked with KES logs and events.• Administration of Trend micro deep security server.

• Responsibilities/Accomplishments: installation, configuration & troubleshooting, support and data Center management.• Managing Team for infrastructure administration.• Administration of Linux and windows base servers.• Installations, Configurations and management of VMware ESXI 5 and 6.5 Servers• Responsible for taking daily basis backups of file server by using semantic software• Administration of WSUS server.• Administration of file server• Administration of active directory and domain controller