Abhishek Nikam

Experience

• 

  Convergys

  Sept 2009 - May 2010

  Technical Support Analyst

  Worked at: CONVERGYS- Microsoft Technical SupportDate of Joining: 4th September 2009Designation: Technical Support EngineerProcess: Microsoft Technical SupportLine of Business:- Operating system tasks like performance issues, network issues.- Troubleshooting, installation and un-installation of Internet Explorer 6, 7, 8.- Web Response – Microsoft Email support service.

• 

  Veritas

  May 2010 - now

  Principal Technical Support Engineer, Linux Administrator, Databases on Linux OS

  1. Working at: VERITAS NetBackupDesignation: Sr. Technical Support Engineer Date of Joining: 17th May 2010Work on issues related to: 1) Linux OS performance and networ issues- Work on performance issues on RHEL, SUSE linux on day to day basis.- disk read/write issues, storage issues. Configuration of NFS shares.- Monitoring memory and swap space- User management and permissions related issues.2) Database backup/restore/disaster recovery operations On Linux OS (Well versed with RedHat Linux.)- Oracle / SAP HANA / postgresql / MySQL databases.- Oracle database scripting, backups and restores and disaster recovery.- SAP Oracle, SAP HANA restore and disaster recovery.- Well versed with RedHat Linux.- Deduplication option.3) Troubleshooting storage issues- EMC / Data Domain / NetApp / NetBackup Appliances / Robotic Libraries communication issues.- Networking issues, permission issues, backups and restore issues volume level on NDMP devices.4) Cloud - Software as a Service (SaaS)- Configure storage servers for multiple Cloud storage vendors like Amazon S3, Microsoft Azure.- Backup and restore data from local network to cloud storage.- Certificate deployment on server deployed in cloud.5) Vulnerability analysis/management- Security issues on customer end. Analyzing scanner reports to find out possible CVEs/vulnerabilities.- Analyzing if the ports used by NetBackup product can be exploited via the vulnerabilities.- If found, then checking with engineering/product management teams, to find out if newer/future version of product will be affected. 6) Security certificate deployment/validation/revoke process- Use TLS protocol for host communication where all hosts on the network have to present security certificates and validate them against CA(certificate authority) certificates.- Troubleshoot issues to verify the certificate deployment works correctly, make sure fingerprints match so ensure secure communication. Show less