Sameer Vadnere

Experience

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  Aress sotware education and PVT LTD

  Jul 2006 - Jul 2016

  To achieve meaningful employment with a company as a System Administrator, which will allow me to address and solve your company’s technical needs, by applying my experience within the areas of system administration and accomplishing deadline driven projects. Server Setup, installation, configuration, management, firewall iptables configuration, raid setup, nic bonding, storage, lunch addition. we a

  • Senior System Administrator Linux

    Jul 2006 - Jul 2016

  • Senior System Administrator (LINUX)

    Jul 2006 - Jul 2015
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  Cognizant

  Aug 2016 - Feb 2019

  CIS (Cognizant Infrastructure Services)

  • Troubleshooting server problems - unexpected reboot, RCA • Installation and Configuration of multiple packages as per requirements• Resource monitoring and upgrade (CPU, Memory, Disk space, logs etc.) • Virtual machine performance tuning, Virtual machine cloning, Creating virtual machine templates.• Creating Patching schedule, implementation, Creating change tasks and CTASKs for other teams. • Manage & Provide server shares and User Management • File system space management (increase space, clean up etc) • Install / upgrade Anti-Virus agent and software • Troubleshooting Backup (EMC Networker) Failure Issues from OS Side • Providing support during Quarterly / Yearly Maintenance Activities • Supporting various file migration activities • Updating and maintaining CMDB (Configuration Management Database) • Contribution to practice Knowledge Management repository • Involvement in Server documentation and Run books. • Monitoring servers, Backup & network devices using tools like MWatch, EMC Networker • Servers configuration for applications using puppet • Setting up git repo accounts for new team members • Creating application users, database users and administrator’s users using puppet • Creating and managing schedule for the RHEL servers patching • Performing Linux servers patching • Taking backup snapshots using VMware VSphere • Creating users using script for Solaris servers • Providing standby support for Solaris patching • Installing software’s or packages as per required by application team or using puppet • Mounting/Unmounting NFS drives or making entries in the puppet if it is managed by puppet • Extending File system using lvextend, adding lun, scanning newly added lun to the Linux system • Restoration of files and folders using the legato command line backup server console Show less

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  Tech Mahindra

  Feb 2019 - Feb 2022

  Tech Lead

  AWS solution architect associate, KUBERNETES Unix/Linux admin, Docker, Ansible, Git, Puppet, AWX TOWER

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  Capgemini

  Feb 2022 - Aug 2023

  Sr Technical Manager Financial Services
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  Seagate Technology

  Aug 2023 - now

  Staff Analyst