Linux Admin

Job description

Hardware

Knowledge of Midrange/High-end HPE ProLiant and Blade servers, HPE Converged systems (CS500, CS900) and SDX2 (Superdome2)

Various options of booting the server from GRUB Prompt

Upgrade Firmware of various components

Vendor Co-ordination & follow-up with Hardware Vendors for the troubleshooting and the maintenance activities

Knowledge on P2V (Physical to Virtual) and V2P (Virtual to Physical) migration activities

General Responsibility

Adhering to SLAs

ITIL Processes awareness and adhering to

Helping team members in case of Issues/Technical Problems

Handling Incidents, Service requests, Change and Problem Tickets (RCA and CAPA)

Troubleshooting technical issues

Ensuring that the processes are adhered to

Understanding of Multi-geo support environment

Ensure maximum uptime according to the SLA

Implementing new technologies and design changes

Applying patches/upgrades to maintain security level

Assist in implementation of Data center consolidation

Health check-up of Linux servers

Defining parameters and threshold for server proactive health monitoring

Day-to-Day reporting tasks

Vendor co-ordination & follow-up

Perform H/W & performance monitoring and implement recommendations

Operating System

Upgrade the OS, VxVM, HP Service Gurad using offline and Live methods

Configuration and Administration of RHEL4, RHEL5, RHEL6 and RHEL7 Virtual and Physicalservers

Backup and restore of OS (working knowledge with Backup Teams using Snapshot or BMR)

Operating System Hardening

Knowledge of system security, knowledge of SELinux would be an advantage

Knowledge of device driver installation and configuration

Knowledge of NAS, SAN storage, HBA cards and multipathing

Configuring Multipathing software on server to access redundant storage paths

NAS Configuration in Client side only

Good knowledge of Linux device files and creation

Build knowledge of atleast one cluster technology (RHCS/HP Service guard/VCS/RAC)

Good knowledge of Oracle RAC cluster in Linux

Knowledge of Cluster Package Build, Stop, Start, Failover, Failback and other maintenance activities Knowledge of build and manage the Disaster Recovery setup in any one of the cluster technology