Red Hat certified system administrator professional with 9.3 years of experience in Sr. System Administrator in Linux administration (Both Virtual and Bare Metal Servers). Presently associated with HCLTECH as a Linux administrator to provide 24/7 support in managing Virtual and Cisco UCS Physical servers, making sure the servers in the production environment are up and running with no impact on production. An effective communicator with excellent relationship management skills and strong analytical, problem-solving, and organizational abilities.
· Installation, Configuration and Maintenance of LVM.
· Backup and Restore Management (Networker).
· Troubleshooting server down issues and other server related issues
· System monitoring CPU, Disk, Memory utilization etc.
· Adding CPU, Memory and hard disk in virtual machine.
· Taking snapshot and clone in Vmlevel.
· Installing patches in Production servers as per customer schedule using Ansible and Big Fix tool.
· Auditing the Production server health status with PCT Template (Production compliancy Test).
· Installation, Configuration and Administration of Red Hat 7 and 8.
· Proactively administrated 4500+ Red hat Linux servers remotely and taken initiatives to solve issues (L1 & L2) against the challenges and documented WI’s.
· Co-ordination with onshore Linux counterpart SME’s.
· Adhere to handle Events, Incidents, Change and Problem tickets as per the Agreed SLA.
· Created Work Instructions for specific server related issues.
· support of Cisco UCS technology server hardware, software, peripherals, and Linux OS servers’ proven success delivering
· Responsible for building server infrastructure environment and automation.
· Experience with Cisco UCS Upgrades, Patching, using Ansible, BigFix.
· Pro-actively monitor ticketing system (New Relic and Nagios XI) and resolve tickets within specified SLA.
· Worked on Cisco UCS Manager, UCS Central to build service profile and templates.
· Provisioned Linux servers.
· Built clusters on Cisco UCS Chassis HW. • Built Cisco UCS domains and configuration per Confidential standard.
· Red Hat Linux / UNIX Remote Management: UCS KVM Console, Cisco UCS Manager, Cisco UCS Central