Perform RHEL server installation, configuration, provisioning, and administration across physical and virtual environments.
Build and configure Linux servers based on infrastructure and application requirements.
Manage RHEL 7/8/9 environments, including OS upgrades, patching, package management, and lifecycle activities.
Configure and administer Red Hat High Availability (HA) clusters using Pacemaker .
Configure cluster resources, fencing/STONITH, virtual IPs, resource groups, failover, and recovery procedures.
Perform cluster health checks, troubleshooting, failover testing, and root-cause analysis.
Configure and troubleshoot DNS, NTP, TCP/IP, routing, firewalls, VLANs, and network interfaces.