• Administration of RHEL 6.x & 7.x servers, which includes installing (kickstart), building, tuning, upgrading patches and troubleshooting both physical & virtual server issues.• Install and configure BMC Patrol Agents in Linux servers for monitoring. Focal Point for Patrol agent yearly audit, agent upgrades, and threshold set-ups.• Responsible for half-yearly server patching tasks. Worked with the application team in scheduling downtime/pre-install & post-install checks. • Hands-on experience in Hobbit & Nagios monitoring tool. Automated recurring tasks with bash scripts to minimize overhead.• Assigned to a 3-month project, where 170+ Linux servers had been integrated to use AD authentication from local setup.• Administration of VMware vSphere/vCenter servers and Cisco UCS servers. Responsible for Administration of VMs in VMWare vSphere - Add resources/Migrate VMs, Power Off/On Guest VMs.• Create and execute Ansible playbooks written in YAML to keep installed packages up to date.• Manage containers using Kubernetes, and automated ‘Alerts Setups’ for application URLs and host availability for different applications.• Responsible for weekly-status meetings and keeping shared and updated documents on SharePoint/Wiki. Participated in on-call pager rotation.

• Provided L1 and L2 support on administration, configuration and maintenance of Solaris & Linux servers in both production and non-production environments.• Installed & configured VERITAS volume manager, created file systems, extended the volumes and worked on RAIDs.• Performed daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems, and key processes, reviewing system and application logs, and verifying completion of scheduled jobs from the NetBackup server.• Applied OS patches and upgrades on a regular basis - Yearly Patching all Physical and virtual Linux servers.• Governed Logical Volume Management (LVM) and created VGs, LVs• Took care of server crashes and down times in OS, network, hardware level to recover services in minimum time and provided RCA (Root Cause Analysis)• Administered various system level technologies including Network File System (NFS), Samba, LDAP, Package Management (YUM/RPM), High Availability Networking (NIC Bonding), and Log Management (Rsyslog, Syslogd, Syslog-ng)• Troubleshooting hardware issues (Disk drives, HBA's, Power supplies, CPU, Memory cards, etc.)