Senior System Administration ( IT Infrastructure - MNC)

About the Role

We are hiring on behalf of our client for a hands-on IT professional with experience in Microsoft cloud and infrastructure technologies, particularly Azure and Microsoft 365, to manage day-to-day infrastructure operations and provide Level 2 - Level 3 technical support.

Key Responsibilities

• Administer and troubleshoot Azure Virtual Machines (VMs), including Windows Server workloads, domain controllers, file servers, storage, and connectivity.
• Perform server maintenance, patching, vulnerability remediation, and security hardening to maintain infrastructure stability and security.
• Administer Microsoft 365, including Exchange Online, Microsoft Teams, SharePoint Online, and OneDrive.
• Maintain Active Directory Domain Services, Microsoft Entra ID, identity synchronisation, and user access permissions.
• Manage Microsoft Intune device enrolment, configuration profiles, compliance policies, and endpoint settings.
• Review Microsoft Defender XDR security alerts, support investigations, and carry out remediation with guidance or escalation where required.
• Resolve Level 2 - Level 3 escalations, including server, identity, firewall, VPN, and network connectivity issues.
• Monitor backups and infrastructure health, and support restoration and disaster recovery activities.
• Coordinate with Level 1 support and external vendors to resolve incidents and implement approved changes.
• Participate in infrastructure upgrades, migrations, and improvement projects, and maintain technical documentation.

Job Requirements

• Bachelor’s degree in Information Technology, Computer Science, or a related discipline.
• Minimum 5 years of relevant experience in systems administration, infrastructure support, systems engineering, or a similar role.
• Hands-on Azure IaaS experience, particularly managing Azure Virtual Machines.
• Practical experience with Windows Server, domain controllers, file servers, server patching, and troubleshooting.
• Experience administering Microsoft 365, Active Directory Domain Services, and Microsoft Entra ID.
• Working knowledge of Microsoft Intune device and policy management.
• Familiarity with Microsoft Defender XDR, vulnerability remediation, and operational security practices.
• Working knowledge of DNS, DHCP, TCP/IP, VPNs, firewalls, and network troubleshooting.
• Experience with infrastructure monitoring, backups, and recovery.
• Good communication and documentation skills, with the ability to support users and collaborate across international locations.

Added Advantages

• Relevant Microsoft certifications in Azure, Microsoft 365, endpoint administration, or security.
• PowerShell scripting and administrative automation experience.
• Experience supporting regional or global IT environments.

Why Join Our Client?

• Permanent opportunity with an MNC — Build your career in an international working environment.
• Regional and global exposure — Support IT operations across multiple branches and collaborate with colleagues from different countries.
• Overseas travel opportunities — Occasional travel to international branch offices for IT support and project activities.
• Career and technical development — Broaden your hands-on experience across Microsoft Azure, infrastructure administration, endpoint management, and cybersecurity.
• Exposure to regional IT projects — Participate in infrastructure upgrades, migrations, and improvements across multiple locations.
• Convenient office location — Approximately 5-10 minutes’ walk from an MRT station.

For those who have what it takes, please apply online or sent in your profile to:
Consultant: Lara
Tel: 07-•••• 228

OUR SERVICE FOR JOB SEEKER IS FREE!