Senior System Administrator (Linux/Windows/Nutanix) - Part-Time

Skills:

Linux Administration

• Install, configure, and maintain Linux servers such as RHEL, Ubuntu, or CentOS.
• Perform user, group, permission, filesystem, and package management.
• Manage services, processes, logs, cron jobs, and system performance.
• Troubleshoot Linux OS issues including CPU, memory, disk, network, and boot problems.
• Perform patching, hardening, backup, recovery, and vulnerability remediation.
• Support shell scripting for automation and operational tasks.

Windows Administration

• Install, configure, and maintain Windows Server environments.
• Manage Active Directory, DNS, DHCP, Group Policy, file services, and server roles.
• Perform Windows patching, hardening, monitoring, and troubleshooting.
• Support user access, server security, certificates, and permissions.
• Troubleshoot Windows performance, event logs, services, and connectivity issues.

Nutanix Administration

• Support and administer Nutanix AHV / Prism Central / Prism Element.
• Manage virtual machines, clusters, storage, snapshots, and resource allocation.
• Monitor Nutanix cluster health, capacity, alerts, and performance.
• Support VM provisioning, migration, backup, recovery, and lifecycle operations.
• Assist with Nutanix upgrades, patching, and hardware-related coordination.