System Administrator

Keep client environments secure, stable and well documented across Windows Server, identity, Microsoft 365, networks, firewalls and backup. Full time, based at our Sharjah head office.

Missan Global supports businesses across the UAE with managed IT, Microsoft 365, cybersecurity and infrastructure. As a System Administrator you will look after client servers, identity, email and networks, fix problems properly and prevent them coming back, working onsite and remotely.

• Administer Windows Server, Active Directory and Microsoft Entra , including users, groups, policies and access
• Manage Microsoft 365:
  Exchange Online, Teams, SharePoint/One Drive, licensing, MFA and conditional access
• Configure and troubleshoot LAN/WAN, VLANs, Wi-Fi, VPNs and firewalls
• Run and test backups and restores, and support disaster-recovery plans
• Handle escalated support tickets onsite and remotely, and document every change
• Monitor systems, apply patches and recommend preventive improvements to clients

• Hands‑on experience as a system administrator or senior support engineer
• Solid Windows Server, Active Directory / Entra  Microsoft 365 administration skills
• Practical networking and firewall knowledge
• Experience with backup tools and restore testing
• Structured troubleshooting and clear documentation
• Eligible to work in the UAE

• Microsoft, CCNA, CompTIA or firewall vendor certifications (for example Sangfor, Fortinet or Sophos)
• Virtualisation (Hyper‑V or VMware) and Azure experience
• Endpoint security and email security experience