Shanker Sharma

Experience

• 

  Wipro

  Mar 2014 - Jun 2018

  Unix System Administrator

  SLA based incident response Systems administration in a mission critical Unix/Linux environment. Performing Linux OS Upgrade and installing Kernel and non-kernel patches on Linux/Unix servers as part of vulnerability and threat management. Working on hardware break fix and coordinating with vendors for hardware replacements as required. Upgrading and validating different firmware's on HP ProLiant and Blade servers. Preparing physical servers for P2V migration. Coordinating with cloud team for V2V. Preparing UNIX servers for SAN migration. Troubleshooting Unix/Linux servers for SAN/NAS client issues. Preparing Servers for LUN addition/removal. Configuring managing and troubleshooting Veritas Volume Manager and LVMs in Linux/AIX. Configuring managing and troubleshooting NFS and AutoFS. Managing and troubleshooting Veritas cluster server. Adding/removing/modifying service groups and resources and resource attributes. Troubleshooting cluster failures and failovers. Configuring and troubleshooting password less authentication for SSH, SFTP and transmission mechanisms like NDM. Implementing disk quotas. Scheduling jobs using Cron and troubleshooting issues with distributed schedulers like autosys. File restoration using Netbackup client. Troubleshooting netbackup client issues. Installing application packages in Linux, Solaris and AIX. Performing Server decommission task Resource allocation (Memory/CPU) for LPARs through HMC Managing and troubleshooting HACMP. Configuring, managing and troubleshooting DM Multipath, EMC Powerpath and VxDMP. Troubleshooting Linux, Solaris and AIX for performance related issues. Performance Tuning,Capacity Planning Involving in DR testing to ensure COB availability Postmortem Linux server crashed and provide RCA to stake holders. Participating in problem management calls and CAB/TAB calls. Show less

• 

  Mphasis

  Jun 2018 - Apr 2020

  Principle Infrastructure Engineer
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  Cloudera

  Apr 2020 - now

  • Senior Customer Operation Engineer

    May 2023 - now

  • Customer Operation Engineer

    Apr 2020 - May 2023