Head of Enterprise Messaging & Microsoft 365 Platforms

1011 United Overseas Bank Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

1011 United Overseas Bank Ltd in Singapore seeks an experienced IT professional to drive delivery and lifecycle management for Microsoft 365 workloads and enterprise messaging. You will lead operation, maintenance and continuous improvement across on-premise, hybrid and cloud environments.

The role requires 7–10 years in IT with deep Microsoft 365 and messaging experience, plus PowerShell automation and HA configurations.

Qualifications

• Minimum 7–10 years IT experience with strong exposure to Microsoft 365 and enterprise messaging platforms.
• Deep knowledge of Microsoft 365 workplace services and email routing architectures.
• Experience with Exchange HA configurations (Database Availability Groups).
• Proficient in PowerShell scripting for automation and support.
• Experience with archiving and email policy management.

Responsibilities

• Be accountable for service stability, availability and performance across workplace and messaging platforms.
• Act as the technical lead and escalation point for complex issues and major incidents.
• Continuously improve operational processes and SOPs to enhance efficiency.
• Provide technical leadership and guidance to engineering teams and stakeholders.
• Support production operations, controlled changes and service recovery, including weekend or shift work.

Job description

1011 United Overseas Bank Ltd in Singapore seeks an experienced IT professional to drive delivery and lifecycle management for Microsoft 365 workloads and enterprise messaging. You will lead operation, maintenance and continuous improvement across on-premise, hybrid and cloud environments.

The role requires 7–10 years in IT with deep Microsoft 365 and messaging experience, plus PowerShell automation and HA configurations.