- The expert must perform installation, maintenance/ configuration of the Linux/OS Red Hat Enterprise Linux (RHEL), SUSE Linux Enterprise Server (SLES), Oracle Linux, Centos, HP-UX, Ubuntu or any other flavour of Unix/Linux), within the Data Centre.

- Should have very good knowledge on VMware virtualization technology & clustering.

- Should have good understanding of KVM (Kernel-based Virtual Machine).

- Linux/OS Upgradation and patch deployment, Security and Hardening.

- Perform day-to-day Linux server administration tasks & ensure onsite 24x7x365 support as & when required during holidays, weekends and night activities for outage or scheduled activities.

- Configure and troubleshoot filesystems, LVM, disk partitions, and mount points.

- Configure and manage network settings, static routes, bonding, DNS, and firewalls.

- Prepare/Update/ Maintain Standard Operating Procedure (SOP) documents.

- Regularly monitor and maintain a log of the status of critical services, the performance of servers, including but not limited to monitoring of CPU, disk space, memory utilization, I/O utilization, etc. and maintain the reports for future audit purposes.

- Daily Health Check-up report of Linux Servers.

- Quarterly PM activity & maintain SLA as per agreement.

- Support in closing VAPT Points as per statutory body audit.

- Allocation LUN to Linux Host from Storage.

- Support in Information System\Security Audit as & when scheduled.

- Develop and maintain shell scripts (Bash) for system automation and monitoring.

- Participating, supporting & troubleshooting during DR Drill activity.

- Maintaining system security by identifying vulnerable areas and providing protections.

- Perform backup and restore operation.

- System Performance Tuning.

- Basic knowledge about storage.