Senior M365 & Messaging Architect (Hybrid, On‑Call)

Chubb; Mandaluyong; Hybrid; PHP 900,000 - 1,300,000; Full time

Job summary

Chubb in the Philippines seeks a Senior Messaging and M365 Analyst to provide expert support and administration across Exchange Server, Exchange Online, Teams, OneDrive, and related services. You will lead incident resolution, governance, and on-call coverage, while mentoring peers and contributing to project migrations.

The role requires 10+ years in messaging or Microsoft 365 operations, strong PowerShell skills, and experience with hybrid configurations.

Qualifications

• Bachelor’s degree or equivalent experience in a related field.
• At least 10 years’ proven experience in messaging support, infrastructure, or Microsoft 365 operations.
• Strong experience with large, complex enterprise messaging environments including Exchange Server and Exchange Online hybrid configurations.
• Hands-on experience administering and troubleshooting Microsoft 365 services including Exchange Online, Teams, OneDrive, Entra ID, Intune, and Active Directory.
• Strong scripting and automation using PowerShell; experience with Microsoft Graph API is highly desirable.
• Experience with Fax2Mail or similar enterprise fax and messaging integration platforms is desirable.
• Experience supporting migrations, tenant changes, platform transitions, or large-scale service improvement initiatives is desirable.
• Good working knowledge of operating systems, productivity apps, remote support tools, and enterprise service management processes.
• Ability to travel and work outside normal business hours when required.
• Flexible approach to working patterns, including shift coverage and participation in on-call support arrangements.

Responsibilities

• Provide effective and timely technical support to business users and stakeholders across messaging and Microsoft 365 services.
• Administer, support, and help optimise the organisation’s Messaging and Microsoft 365 environment, including Exchange Server, Exchange Online, Teams, OneDrive, Active Directory, Intune, Entra ID, and related services.
• Act as a senior escalation point and technical subject matter expert for complex incidents, service requests, and problem investigations.
• Diagnose complex and systemic issues, identify root causes, and drive resolution in partnership with internal teams, vendors, and Microsoft support where required.
• Monitor and manage the team’s ServiceNow queue, ensuring tickets are progressed, prioritised, documented, and resolved in line with business expectations.
• Respond professionally to client and stakeholder support requests, tailoring communication to technical teams, business customers, and senior management.
• Define, maintain, and evolve technical standards, operational procedures, knowledge articles, testing documentation, and support runbooks.
• Create and maintain detailed process documentation in appropriate collaboration channels, including Microsoft Teams and other knowledge repositories.
• Prepare regular and ad hoc reporting for team management, including service health, operational performance, incident trends, and progress against key activities.
• Participate in Change Advisory Board meetings and contribute to change planning, risk assessment, implementation, and post-change validation.
• Support messaging and Microsoft 365 projects, migrations, service improvements, governance activities, and automation initiatives.
• Provide mentorship, guidance, and knowledge transfer to new starters and other team members as required.
• Participate in a 24x7 on-call rota and provide after-hours support when required to meet business needs.
• Travel occasionally to other offices as required.

Skills

PowerShell scripting

Microsoft 365 administration

Problem solving

Education

Bachelor’s degree in Computer Science, IT, Engineering, or related discipline

Tools

Exchange Server

Exchange Online

Teams

OneDrive

Entra ID

Intune

Active Directory

Microsoft Graph API

Job description

Chubb in the Philippines seeks a Senior Messaging and M365 Analyst to provide expert support and administration across Exchange Server, Exchange Online, Teams, OneDrive, and related services. You will lead incident resolution, governance, and on-call coverage, while mentoring peers and contributing to project migrations.

The role requires 10+ years in messaging or Microsoft 365 operations, strong PowerShell skills, and experience with hybrid configurations.