• Exadata/ODA/ZFS support, performance tuning, troubleshooting experience with RAC databases, OS, Networking, patches and storage.• Performing system health checks and analysis using oracle exachk• Plan and perform scheduled changes (patching, maintenance, deployment, decommission, configuration, performance tuning) for all Oracle hardware and software used to support Oracle database infrastructure.• Monitor Oracle database system hardware/software Exadata, ZDRLA and ZFS for performance degradation, connectivity issues, system events and alerts. • Manage and update tickets through resolution with vendors and internal support groups. Test, analyze, perform corrective actions and restore availability and services in a timely and accurate manner to eliminate/reduce application impact.• Provide timely notifications to management/outage team and escalate tickets to appropriate internal and external management as needed.• Under general direction, responsible for all activities related to Oracle database system administration.• Ensure long term requirements of systems operations and administration are included in the overall information systems planning of the organization.• Responsible for the installation, maintenance, configuration and integrity of Oracle database infrastructure hardware and software.• Implement operating system enhancements that will improve the reliability and performance of the system. • Recognize and troubleshoots problems with server hardware and applications software. Establishes and documents standards and procedures for management review. • Promote a risk-aware culture, ensure efficient and effective risk and compliance management practices by adhering to require standards and processes.

• Build, configure and support Red Hat Enterprise Linux, CentOS and physical and virtual machines.• Working with System Builds, installations, upgrades, patches, migration, troubleshooting security, backup, disaster recovery, performance monitoring.• Setting up network environments using TCP/IP, NFS, DNS, DHCP, FTP, SFTP, SSHD • Package management using RPM and YUM in Red Hat Linux.• Creating and cloning virtual machines in VMware environment using Virtual VSpher Client and ESXi.• Troubleshooting System and Network related issues.• Involving and partitioning formatting disks and in filesystem management as Software RAID, LVM and VxVM.• Configure IPTABLES firewall and hardening Linux systems for system security.• Installing and configuring various servers as Apache web server, HTTP server, Samba.• Creation of groups, adding User ID to a group as primary or secondary group, removing User ID from a group.• Ticket assessment on daily basis.• Converting physical machines and servers to virtual machines using ESXi and VMware vCenter.• Managing and writing Puppet Manifests.• Managing and monitoring server using NAGIOS.• Working closely with DBA's, Developer, QA team and Network teams on their issues and requirements.• Installing and Upgrading Veritas Volume Manager (VxVM) and Veritas Clustering Services (VCS).• Managing sudoers for application user id’s and human ids.

• Hardware Installation, Power, Fiber and Network Cabling.• Installation and upgrading of Linux servers, both at the operating system and application level.• Installation, set up and configuration of RHEL, CentOS.• Applying O/S updates, patches, and configuration changes.• Setting up of ESXi server and its connectivity with the existing NAS equipment.• Maintaining VMware ESX servers using VMware Virtual center.• Creation and management of VM's, Installing VMware tools, cloning.• Managed VM Templates for different Operating System releases.• Configuring and maintaining system network services like sendmail, NIS, NFS, SAMBA, DHCP, FTP, SFTP, SSHD and DNS.• Adding, removing, or updating user accounts information, resets passwords etc.• Configuring and Administrating Cron Jobs.• Managed SAN Disk using LVM and VxVM.• Created disk group, volumes, volume groups and RAIDs.• Installed and configured new hard drives and memory upgrades.• Managed sudoers for different application users id’s.• Working Closely with DBA’s, Networking, QA and Development Team for their requirements and their needs.• SAN Administrator EMC Clariion CX3.