Senior Messaging & Collaboration Platform Architect

sagl consulting pte. ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Sagl Consulting Pte. Ltd.

in Singapore seeks a highly technical Messaging & Collaboration Team Lead to architect, manage, and optimize our enterprise communications infrastructure, serving as the definitive L4 technical authority for L2 and L3 engineering teams in a massive, high-volume environment (100,000+ users). You will define technical strategy, oversee architecture, and drive platform management for Microsoft Exchange, SharePoint, Teams, and Azure AD, while building automation with

Qualifications

• 10+ years of dedicated experience in enterprise messaging/collaboration engineering.
• 2+ years in a technical leadership or delivery role, mentoring L2/L3 teams.

Responsibilities

• Architect, manage, and optimize Microsoft 365 messaging and collaboration environments.
• Lead architecture reviews focusing on security, cost, and scalability.
• Provide L4 escalation support and drive root-cause analysis for incidents.
• Develop runbooks and upskill L2/L3 teams.

Skills

Microsoft 365

PowerShell

Microsoft Graph API

L4 escalation

Tools

Exchange Server

SharePoint

Teams

Azure AD Entra ID

Job description

Sagl Consulting Pte. Ltd.

in Singapore seeks a highly technical Messaging & Collaboration Team Lead to architect, manage, and optimize our enterprise communications infrastructure, serving as the definitive L4 technical authority for L2 and L3 engineering teams in a massive, high-volume environment (100,000+ users). You will define technical strategy, oversee architecture, and drive platform management for Microsoft Exchange, SharePoint, Teams, and Azure AD, while building automation with