IT System Administrator

Key Responsibilities

• Install, configure, administer, and maintain enterprise IT infrastructure, including servers, storage systems, virtualization platforms, and operating systems.
• Manage and troubleshoot virtualization environments, including VMware vSphere (ESXi and vCenter), Oracle Linux Virtualization Manager (OLVM), and related technologies.
• Support virtualization clusters, High Availability (HA) configurations, virtual machine provisioning, resource allocation, snapshots, and VM backup and recovery.
• Administer, configure, and troubleshoot Linux operating systems, particularly Red Hat Enterprise Linux (RHEL), as well as Ubuntu and Windows Server.
• Perform Linux system administration tasks, including Logical Volume Manager (LVM), filesystem and storage management, user and permission administration, system monitoring, and performance tuning.
• Perform backup and restore operations using enterprise backup solutions such as Cohesity, Veritas NetBackup, Veeam, or Rubrik.
• Execute and monitor backup and recovery strategies, including Full, Incremental, and Synthetic backups, retention policies, and Disaster Recovery (DR) procedures.
• Perform preventive and corrective maintenance, system monitoring, security patching, and tested firmware updates to ensure infrastructure reliability, security, and performance.
• Diagnose and resolve hardware, software, operating system, virtualization, and backup-related incidents, including root cause analysis and escalation when necessary.
• Provide onsite monitoring and technical support on a 24/7 rotational shift basis, including night shifts, weekends, and public holidays.
• Maintain technical documentation, including system configurations, backup and restore reports, maintenance logs, troubleshooting procedures, incident reports, and Standard Operating Procedures (SOPs).
• Collaborate with internal IT teams, vendors, and other stakeholders to coordinate maintenance activities, resolve technical issues, and maintain service continuity.

Qualifications:

• Bachelor's Degree in Information Technology, Computer Science, Computer Engineering, or a related field.
• Minimum of 1 year of experience in IT infrastructure, system administration, server and storage support, backup administration, or a related technical role.
• Solid understanding of enterprise IT infrastructure, including servers, storage systems, virtualization platforms, and operating systems.
• Hands-on experience with VMware vSphere (ESXi and vCenter)/ Oracle Linux Virtualization Manager (OLVM), or other enterprise virtualization platforms.
• Practical knowledge of Linux administration, particularly Red Hat Enterprise Linux (RHEL), including installation, configuration, LVM, user management, and troubleshooting.
• Familiarity with Windows Server administration, monitoring, patching, and troubleshooting.
• Experience with enterprise backup solutions such as Cohesity, Veritas NetBackup, Veeam, or Rubrik.
• Understanding of backup and recovery concepts, including backup scheduling, backup types, retention policies, and Disaster Recovery (DR).
• Understanding of enterprise server and storage architecture, particularly Dell and HPE hardware, RAID configuration, hardware component replacement, and firmware management.
• Strong analytical, troubleshooting, and problem-solving skills, with attention to detail.
• Good communication and interpersonal skills, with the ability to collaborate effectively with internal teams and vendors.
• Willingness to work onsite on a 24/7 rotational shift schedule, including night shifts, weekends, and public holidays.