Rajesh Kumar

Experience

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  HCL Technologies

  Jun 2014 - Nov 2016

  Unix Administrator

  Completed certifications on RHCSA 7, RHCE 7, RHCVA 3.5Responsible for support to Infrastructure/Applications running on the UNIX platforms Filesystem configuration and resizing. Tools/Agents Installation. Handling cron job related issues. Account management Add/modify/delete users Customize user account environment Create/delete home directories Server Performance Swap space and paging space management Monitor CPU, I/O and Memory utilization Trouble shooting Performance issues in UNIX servers Configuring sudo, FTP & Telnet access. Mounting and Unmounting share and extending file system in various flavors of UNIX. File system maintenance – Housekeeping threshold FS. Trouble shooting Non-Responsive systems by connecting via HMC for AIX and ILO for Linux. Communicating with clients via Chat, Email and Phone. Rebooting and patching in various flavors of UNIX. Sending Daily Activity Reports to client. Update knowledge base. Documenting and sharing knowledge with team members. Show less

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  IBM India Private Limited

  Nov 2016 - May 2017

  Linux System Administrator

  Linux Administrator at IBM India Pvt Ltd

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  FIS Global Business Solutions India Private Limited

  May 2017 - now

  Senior Unix System Engineer