Overview

IT System Administrator Jobs in Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates at The Prime Technology Systems

Title: IT System Administrator

Company: The Prime Technology Systems

Location: Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates

We are looking for an experienced Senior IT Systems Administrator to join our team and take ownership of our data center operations, infrastructure, and end-user support environment. This role requires a hands-on professional with strong technical expertise across systems, networking, security, and enterprise IT operations.Key Responsibilities

Data Center & Infrastructure

  • Monitor and maintain data center infrastructure (power, cooling, cabling, access control).
  • Administer enterprise servers (rack, blade, tower) and storage systems (SAN/NAS).
  • Manage virtualization platforms (VMware vSphere / Hyper-V), including VM provisioning and optimization.

Networking & Telephony

  • Support Cisco networking (switching, routing, VLANs, troubleshooting).
  • Administer Cisco IP Telephony (CUCM/Unity), including user provisioning and configuration.
  • Manage firewall infrastructure, including policies, VPNs, and monitoring.

Microsoft Infrastructure & Cloud

  • Administer Windows Server (2016/2019/2022), Active Directory, DNS, DHCP, and Group Policy.
  • Manage Microsoft 365 (Exchange Online, SharePoint, Teams, licensing).
  • Configure and manage Microsoft Defender security and compliance.

Backup, DR & Security

  • Manage enterprise backup solutions, scheduling, and restore testing.
  • Oversee disaster recovery planning and drills.
  • Manage endpoint protection and support security assessments and remediation.

End-User Support

  • Provide hands-on support for ~80 users (desktops, laptops, mobile devices, printers).
  • Troubleshoot hardware, software, and connectivity issues.

Administrative & Operational Duties

Vendor & Asset Management

  • Manage vendors, partners, SLAs, and service delivery.
  • Maintain IT asset inventory and lifecycle management.

Procurement & Projects

  • Evaluate technologies and support IT projects.
  • Prepare BOQs, technical specs, and support RFP/RFQ processes.

Renewals & Documentation

  • Track contracts, warranties, and subscriptions.
  • Maintain documentation (network diagrams, SOPs, configurations).
  • Prepare IT reports (uptime, incidents, inventory, etc.).

Requirements

  • Bachelor’s degree in IT, Computer Science, or related field.
  • 10+ years of hands-on experience in IT systems administration and data center operations.
  • Strong expertise in:
  • Windows Server, Active Directory, DNS, DHCP, GPO
  • Virtualization (VMware / Hyper-V)
  • SAN/NAS storage & backup solutions
  • Cisco networking & IP Telephony
  • Firewall and IT security operations
  • Microsoft 365 & Microsoft Defender
  • Experience in IT procurement (BOQ, RFP/RFQ, vendor evaluation).
  • Strong end-user support experience.

Language Requirement

  • Fluency in Arabic and English (spoken & written) is mandatory.
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