Messaging & Collaboration Cloud Architect

Infinite Computer Solutions Pte Ltd; Singapore; On-site; SGD 120,000 - 150,000; Full time

Job summary

Infinite Computer Solutions Pte Ltd is seeking an experienced Messaging & Collaboration Cloud Architect to lead the design and governance of enterprise messaging and collaboration platforms in Singapore. The ideal candidate should have over 8 years of experience in Microsoft technologies including Exchange, Azure, and Microsoft 365.

This role involves defining enterprise architecture and leading transformation initiatives across hybrid environments, making a significant impact on the organization’s messaging strategy.

Qualifications

• 8+ years of experience in Microsoft Messaging & Collaboration technologies.
• Deep expertise in Microsoft Exchange Server, Exchange Online, Microsoft 365, and Azure.

Responsibilities

• Lead the design of enterprise messaging and collaboration platforms.
• Define enterprise messaging architecture and governance frameworks.
• Architect Microsoft Exchange environments and develop migration strategies.

Skills

Microsoft Exchange Server (2013/2016/2019/SE)

Exchange Online & Microsoft 365 Administration

Hybrid Exchange Deployments

Microsoft Entra ID (Azure AD) & AD Connect

Azure Networking Concepts

Microsoft Teams Integration

Mail Flow, SMTP, and Transport Services

PowerShell Automation

Messaging Security & Compliance

Enterprise Messaging Migration Projects

Education

Bachelor's Degree in IT, Computer Science, Engineering, or equivalent experience

Job description

Role

Messaging & Collaboration Cloud Architect

Location

Singapore (Onsite)

Experience

8+ Years

Duration

12 Months (Renewable) Contract

Role Overview

We are seeking an experienced Messaging & Collaboration Cloud Architect to lead the design, modernization, and governance of enterprise messaging and collaboration platforms across hybrid environments. The ideal candidate will possess deep expertise in Microsoft Exchange Server, Exchange Online, Microsoft 365, Azure, Entra ID, and Messaging Security, with a proven track record in cloud transformation and enterprise‑scale messaging architecture.

Key Responsibilities

Messaging & Collaboration Architecture

• Define enterprise messaging architecture, standards, and governance frameworks.
• Develop strategic roadmaps for Exchange modernization and Microsoft 365 adoption.
• Design and manage hybrid messaging environments spanning on‑premises and cloud platforms.
• Lead architecture reviews, technical assessments, and transformation initiatives.

Exchange & Microsoft 365 Platform Design

• Architect and govern Microsoft Exchange Server (2016/2019/SE) and Exchange Online environments.
• Design high availability, disaster recovery, mail flow, transport, and messaging resiliency solutions.
• Support Microsoft 365 collaboration services including Teams, SharePoint Online, and OneDrive.

Azure & Identity Integration

• Design secure Azure‑integrated messaging solutions.
• Implement identity and access management using Entra ID (Azure AD), AD Connect, MFA, and Conditional Access.
• Ensure secure connectivity between on‑premises and cloud environments.

Security & Compliance

• Design and implement secure messaging solutions using:
• Microsoft Defender for Office 365
• Exchange Online Protection (EOP)
• Data Loss Prevention (DLP)
• Microsoft Purview & Information Protection
• Support eDiscovery, retention policies, legal hold, audit, and compliance requirements.

Cloud Migration & Transformation

• Lead Exchange‑to‑Microsoft 365 migration projects.
• Develop migration strategies, coexistence models, runbooks, and rollback plans.
• Support tenant consolidations, mergers, acquisitions, and modernization programs.

Automation & Operations

• Develop PowerShell‑based automation for provisioning, administration, and reporting.
• Promote Infrastructure‑as‑Code and automation‑first operational models.
• Leverage Microsoft Copilot and Power Platform for operational efficiency and reporting.

Stakeholder Management

• Collaborate with Infrastructure, Cloud, Security, and Workplace teams.
• Provide technical leadership, mentorship, and architecture guidance.
• Present technical solutions and recommendations to business and executive stakeholders.

Required Skills

• Microsoft Exchange Server (2013/2016/2019/SE)
• Exchange Online & Microsoft 365 Administration
• Hybrid Exchange Deployments
• Microsoft Entra ID (Azure AD) & AD Connect
• Azure Networking Concepts
• Microsoft Teams Integration
• Mail Flow, SMTP, and Transport Services
• PowerShell Automation
• Messaging Security & Compliance
• Enterprise Messaging Migration Projects

Qualifications

• Bachelor's Degree in IT, Computer Science, Engineering, or equivalent experience.
• 8+ years of experience in Microsoft Messaging & Collaboration technologies.

Preferred Certifications

• Microsoft Certified: Messaging Administrator Associate
• Microsoft Certified: Enterprise Administrator Expert
• Microsoft Certified: Azure Solutions Architect Expert
• Microsoft Certified: Identity and Access Administrator Associate
• ITIL Foundation / ITIL 4

Nice to Have

• TOGAF
• CISSP
• Microsoft Cybersecurity Architect Expert
• Microsoft 365 Enterprise Administrator Expert

Key Competencies

• Enterprise Architecture & Solution Design
• Technical Leadership
• Strategic Planning & Cloud Transformation
• Stakeholder Management
• Risk Assessment & Governance
• Troubleshooting & Problem Solving
• Excellent Communication & Presentation Skills