Risvan K Keethadathe

senior vmware consultant at gulf international bank

• Bahrain - Manama
• My current job since May 2015

working as senior vmware consultant for windows and linux servers. Handling end to end vmware infrastructure and linux level 3supports.


 Administration of Virtualization Infrastructure Client.
 Migrated obsolete hardware platforms to VMs via VMware Converter.
 Configuring and Managing EMC Xtrem IO Storage
 Creating Clusters of High Availability (HA), Distributed Resource Scheduling ( DRS), Fault tolerance, vSphere VSAN, SRM
 VM’s And Templates, Cloning, Snapshots, Resource Pools, vAPPs, vRealize, vReplications and Data Protections
 Upgraded VMware Infra from vSphere4.x to vSphere 5.x, 6 using the vSphere Update Manager
 Functioned as primary Linux administer and systems engineer to maintain system services and performance
 Configuring network bonding For the Linux Servers.
 Maintained existing programs/scripts and extended Linux system functionality as needed
 Installed and configured all the Linux servers in the network on the demand of the clients
 Creating and maintaining Users, Groups, Profiles, Security, Permissions, Disk Space and process monitoring
 Configuring all the clients and servers to synchronize with the NTP Server
 A solid understanding of distributed computing environment; understands principles of routing, client/server architecture and load balancing.
 Monitoring services, memory & disk usage of Servers
 Configuring And Managing VM storage like DAS, NAS and SAN.
 Configuring and Managing VMotions
 Configuring RDM’s for the VM’s and Windows Clusters.
 VCENTER upgrade from 5.1 to 5.5 and 5.5 to 6
 VMware tools upgraded for the entire VCenter Server including Windows, Linux and Unix Servers.
 Configuring and Maintaining Software Raid levels and Logical Volume Manager
 Patching, bugs fixing in Linux.
 Configuring and mounting the SAN and NAS mounts in ESXI and Linux Servers.
 Configuring the Kernel Parameters and ulimit values in Linux OS
 Managing REDHAT SATELITE Server for Package management and OS patching for the Linux Servers.
 Troubleshooting the VM’s and Linux OS level issues
 Configuring FTP Server, RAID and LVM & disk Management.
 Manage Log Files - Syslog (Linux) management with Log rotate utility.
 Take ownership of support requests, seeing them through to successful resolution.
 Configuring, Maintaining and Supporting VMware Server, Web server, Database server, FTP server, DNS, NFTS server, Windows files sharing server, DHCP server…
 Writing Shell Scripting for automating the Linux Jobs
 Writing Power CLI for automating the VMware infrastructure jobs.
 Integrating new components in Linux.
 Configuring and managing the VEEAM Backup Tools for VM’s Servers.
 Supporting Linux Applications.
 Configuring and testing IN&T for the new components.
 Configuring and monitoring Nagios.
 Working in windows 2008 Cluster.
 Supporting windows NLB in 2008
 Working in Citrix Environment’s.

Senior Linux Admin at CATERPILLAR

• India - Bengaluru
• November 2014 to May 2015

 Worked as a L3 Linux and Vmware Admin
 Patching the Secuty and Kernal updates of 5000+ Liuux Server uing Redhat Satellite Servers
 Worked in the Production and Profile Servers
 Upgraded the OS & Kernel Using YUM on both Red hat El4 & El5 Production Environment.
 LVM Management in RHEL4 and RHEL 5
 Installation, Configuration, & Administration of RHEL
 Package installation, User and Group Management
 Worked in SAR utilty for the Linux Performacne issues.
 Worked in Performance analysis of the VM’s Using Vcenter and ESXi Servers.
 Scheduled various regular, periodic, futures, queue tasks by using crontab
 Configured RAID Level in Linux Server
 Configured & Managing NFS Servers.
 Incident RCA analysis reporting, management process - reduce mean time to resolve severity 1 Incidents.
 Worked in BMC Remedy Ticket.
 Managing virtual instances on Virtual Servers, VMware vCenter Server and ESX Host
 File permissions, Disk partitioning and mounting, Disk quotas, RAID, LVM.
 Implemented rsync backup using automated scripts and scheduling using crontab.
 Maintained hardware and software inventory of Linux systems.
 Created YUM repository in Linux and OVM machine and updating the patches.
 Monitored CPU Utilization, Memory utilization and file system utilization in AIX, Solaris and Linux Servers.
 Updated the patches in RHEL and OVM servers.
 Generated Various Reports in AIX, Solaris and Linux Servers.
 Transferred the files between Servers using FTP, SCP and NFS
 Provided the Permission for accessing files and directories in AIX, Solaris and Linux Servers

Software Enginner at CISCO

• India - Bengaluru
• July 2012 to November 2014

Senior Engineer at IBM

• India - Bengaluru
• September 2011 to July 2012

Configured NIS
 Integrating to Linux domain and windows clients using Samba server.
 Configured SSH in Linux.
 Creating and Managing LVM
 Creating and managing YUM repository.
 Troubleshoot/ Upgrade Hardware issue and Firmware. Configure Hardware RAID
 Installation and configuring of DNS and DHCP servers and assigning IP addresses to client hosts
 Configuring NIC Bonding.
 TCP Wrappers.
 Handling IBM Tivoli Storage Manager(TSM)Backup tool for Backup and Restore
 Handling Tape library “3576lib1”for Production Server Backup.
 Handling the Tape backup of AIX, Linux and Solaris Servers
 Configuring and implementing Bind 9, Web servers (APACHE) and virtual hosting

Server engineer at WIPRO

• India - Bengaluru
• August 2010 to August 2011

 Working as a Senior System Engineer in ING Vysya Data Center, Hyderabad (IBM Employée) Dec 2011 to till Date.
 Worked as a Senior System Engineer in Motorola Mobility, Hyderabad (IBM Employée) Sept 2011 to till Dec2011
 Worked as a Server Engineer in WIPRO INFOTECH, Bangalore (Franchisées). Aug 2010 to Aug 2011.
 Worked as a System Administrator in iDreamz Computer Solutions, Kerala Aug 2009 to July 2010