Senior System Administration ( IT Infrastructure - MNC)

Agensi Pekerjaan & Perundingcara Bright Prospect Sdn Bhd; Kuala Lumpur; On-site; MYR 120,000 - 240,000; Full time

Job summary

Agensi Pekerjaan & Perundingcara Bright Prospect Sdn Bhd is sourcing a Senior System Administrator (IT Infrastructure) for a hands-on role in Malaysia. You will manage Azure and Microsoft 365 environments, server workloads, AD/Entra ID, and Intune device management while ensuring security and reliability.

The position requires 5+ years in IT infrastructure, strong communication, and the ability to support regional operations.

Qualifications

• Bachelor's degree and 5+ years in systems administration or related fields.
• Experience with Windows Server, domain controllers, file servers, server patching, and troubleshooting.
• Experience administering Microsoft 365, Active Directory, and Microsoft Entra ID.
• Working knowledge of Microsoft Intune device management and security practices.

Responsibilities

• Administer and troubleshoot Azure Virtual Machines (VMs) including Windows Server workloads and AD services.
• Maintain server health with patching, vulnerability remediation, and security hardening.
• Adminsiter Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive).
• Manage AD DS, Entra ID, and user access permissions.
• Handle Intune enrollment, policy config, and endpoint settings.
• Review Defender XDR alerts and assist remediation with escalation when needed.
• Resolve Level 2–3 escalations: server, identity, firewall, VPN, network issues.
• Monitor backups and support DR activities.
• Coordinate with Level 1 and vendors to resolve incidents and implement changes.
• Participate in upgrades, migrations, and documentation.

Skills

Communication skills

Education

Bachelor's degree in IT/ CS

Tools

Azure

Microsoft 365

Active Directory

Microsoft Entra ID

Intune

Defender XDR

PowerShell

DNS

DHCP

VPN

Firewalls

Job description

Senior System Administration ( IT Infrastructure - MNC)

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.

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.