System Administrator

Missan; Sharjah; On-site; AED 89,000 - 156,000; Full time

Job summary

Missan Global is seeking a System Administrator to keep client environments secure, stable and well documented across Windows Server, Active Directory, Entra ID, and Microsoft 365. The role is based at our Sharjah head office and involves onsite and remote support, plus proactive maintenance of networks, backups, and security controls.

You will troubleshoot issues, implement preventive improvements, document changes meticulously, and handle escalated tickets.

Qualifications

• Hands‑on experience as a system administrator or senior support engineer.
• Solid Windows Server, Active Directory / Entra ID and 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.

Responsibilities

• Administer Windows Server, Active Directory and Microsoft Entra ID, including users, groups, policies and access.
• Manage Microsoft 365: Exchange Online, Teams, SharePoint/OneDrive, 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.

Skills

Windows Server

Active Directory

Microsoft 365

Networking

Backups & DR

Documentation

On-site & remote support

Tools

Backup tools

VPN

Firewalls

Job description

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.

What you will do

• Administer Windows Server, Active Directory and Microsoft Entra ID, including users, groups, policies and access
• Manage Microsoft 365: Exchange Online, Teams, SharePoint/OneDrive, 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

What we are looking for

• Hands‑on experience as a system administrator or senior support engineer
• Solid Windows Server, Active Directory / Entra ID and 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

Nice to have

• 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