Jan 2021 – Aug 2021 · 7 mos · India

• Openshift Architect

May 2016 – Dec 2020 · 4 yrs 7 mos · Bangalore, India

• Quarterly patching on linux servers (RHEL & SuSE) using local & centralized repository
• Patch Management of RHEL and SuSE Linux servers using yast, zypper, Bigfix & RCP
• Administration of RHEL & SuSE which includes Linux Life Cycle Management
• LVM Administration (creation, growing, shrinking & snapshot)
• Export and Import Vgs from one host to another host
• Identifying new lun’s and configuring multipath on Linux servers
• SuSE installation on Power Machine 7/8 (P-Series) & resource allocation
• Troubleshooting and debugging OS related issues
• Configured sftp with chroot for nsx logs
• Root cause analysis and documentation
• Change & Incident managements
• Closes APARs, NCIs, & Health check deviations in a timely fashion
• Taking responsibility for new projects and provides our best to deliver project within timelines.
• Projects KPIs are met (Timelines, milestones, quality) & learning shared and documented
• Responsible for team & vendor management
• Ensure server hardening before server push in BAU support
• Responsible for daily linux administration duties and providing 24/7 support in production environment
• Lead a team and assist them in 24/7 BAU Operations
• Ensure all business, audit, and regulatory requirements are proactively managed and met.
• Ensure all documentation is complete, comprehensive, and updated
• Proactively identify risks and mitigate before any business impact
• Servers monitoring by ITM/Bluecare monitoring tool
• Use CyberArk tool for password vault
• VMware Administration through Vsphere
• Build, configure, deploy & decommission of VMs, Templates & Physical servers
• Installation/Upgradation of VMware Tools & Hardware version
• Configured ESXi log rotation on rsyslog server
• Provide data during external & internal audits
• Identifying the loop-holes, gaps and applying the best Service Improvement Plans to improve the operations functionality.
• Involvement in DRP test

Mar 2011 – Apr 2016 · 5 yrs 1 mo · Bangkok Metropolitan Area, Thailand

• >Managing Data center (DC) & Disaster recovery center (DRC) systems & storage infrastructure.
• >Responsible for 140 VMs and 18 ESXi hosts located in Holcim DC & DRC.
• >Responsible for 150 VMs and 16 ESXi hosts located in SCCC DC & DRC.
• >Reconfigured all ESX network connectivity utilization using VLAN tagging, teaming & trunking.
• >Responsible for VMware Management and Configuration - vCenter Server, Create VMs, Cloning, Templates, vSwitch Configuration, Storage Configuration, Snapshots, DRS, HA, FT, vMotion, storage vMotion, Resource Monitoring, Performance & Troubleshooting.
• >Installation, configuration & managing Symantec Veritas Cluster on SuSE Linux to provide HA.
• >Managing SAP & Oracle using Veritas VxVM & Cluster.
• >Installation, configuration & managing SuSE-HA using Pacemaker to provide HA for critical PRD systems.
• >Managing SAP-HANA, SAP (PAS + ASCS), Sybase, and NFS in SuSE-HA environment.
• >Managing EMC VNX 5600 & 5400, HP EVA6300, HP 3PAR 7K (7200 & 7400) & IBM DS4K series storage.
• >Hands on with storage features. E.g. Snapshots (ROW), Duplication, Compression (Thin), Virtual (COW) & Physical Copy (Point In Time)
• >LUN allocation from storage to servers using Native, DMP & MPIO multipathing depends on OS.
• >Responsible for planning and implementation of Brocade SAN Switch, Fabric and zone configuration.
• >Managing Backup Domain and responsible for all backups and recovery.
• >Managing Tape Library of IBM TS3310, TS3200, HP MSL4048 and Dell Powervault 6000 with FC drives.
• >Patch Management for windows and SuSE Linux using WSUS & SMT.
• >Servers monitoring by Nagios monitoring tool.
• >Responsible for day to day operations for the Infrastructure and support Teams.
• >Preparing Monthly Performance reports for all servers and backups.
• >Managing RCA, Incident Reports and documentation of problem analysis for future references.

Mar 2011 – Sep 2014 · 3 yrs 6 mos · Bangkok Metropolitan Area, Thailand

• Handling 180+ servers running SuSE Linux & Windows to host their SAP, Oracle & MS-SQL.
• Managing Data center (DC) & Disaster recovery center (DRC) systems & storage infrastructure.
• Responsible for 140 VMs and 18 ESX hosts located in Holcim DC & DRC.
• Implemented many best practices to optimize the virtual environment.
• Reconfigured all ESX network connectivity utilization VLAN tagging and teaming.
• Manage ESX Vsphere 4.x/5.x with HA.
• Managing HP EVA6300 and HP 3PAR 7000 (7200 & 7400) series storage.
• Managing Brocade SAN switches and comfort in zoning.
• Installation, Configuration & managing Symantec Veritas Cluster on SuSE Linux to provide High Availability.
• Managing Backup Domain and responsible for all backups and recovery.
• Managing IBM Tape Library TS3310, TS3200 and HP Tape Library MSL4048 with FC drives.
• Patch Management for windows and SuSE Linux using WSUS & SMT.
• Servers monitoring by Nagios tool.
• Preparing Monthly Performance reports for all servers and backups.
• Preparing Incident Reports and Root Cause Analysis.
• Taking responsibility for new projects and provides our best to deliver project within timeline.
• Coordination with vendors.
• Capacity and Planning
• Ensuring all SLA’s and Performance targets are met
• Utilize standard tools to record changes, service requests, and problem activities for tracking purposes.

Mar 2010 – Jan 2011 · 10 mos · Jaipur Area, India

• Manage more than 20 servers of HP.
• Manage Postfix mail server having authentication with Ldap.
• Manage two proxy servers with LDAP authentication.
• Manage web server, ftp server, samba server, matlab server, dhcp server, terminal server, nfs server.
• Manager 90 thin clients connected with terminal servers.
• Manage S class IBM chassis with HS 22 blade servers.

Oct 2009 – Feb 2010 · 4 mos · New Delhi Area, India

• Manage more than 700 servers of IBM and HP.
• Handle IBM H & E class Chasis and HP C7000 Chasis.
• Handle IBM HS 20, 21, 22 Blade server and HP 460c Blade server.
• Manage Esx server 3.5, Virtual Center, VMware Infrastructure Client.
• Convert P2V and V2V Machine.
• Upgrade ESX3.5 to ESX 4.0
• Handle IBM Storage 4800

Mar 2007 – Sep 2009 · 2 yrs 6 mos · Jaipur Area, India

• Manage above 10 Redhat 4 and Sun Solaris 10 servers in SBBJ HO, Jaipur.
• Manage above 35 Redhat 7.0 servers of CBI Bank in all Rajasthan.
• Manage above 15 RHEL 3.0/4.0 servers of NIA Branch in all Rajasthan.
• Handle Unix openserver 5 servers of IOCL, UCO Bank, SBBJ Bank.
• Also doing as a field engineer and providing support of windows servers.

Nov 2005 – Feb 2007 · 1 yr 3 mos · Jaipur Area, India

• Worked with BITS pilani (Raj.) Behalf on Excel Technovation.
• Handled above 700 computers of IBM and HP.
• Handled IBM Servers’ x-series 255.
• Installation of Windows, Linux and UNIX based servers and desktops

Apr 2005 – Oct 2005 · 6 mos · Jaipur Area, India

• Cable Connection and connectivity of networking devices.
• Installation and troubleshooting of office, outlook express and other windows application.
• PC Assembling.
• Installation & troubleshooting of Dos 6.22, Windows 95, 98, 2000, XP.
• Internet sharing (Dial-up, ADSL and Broad band) through Proxy and ICS.