Messaging & Collaboration Engineer(M365) - Part-Time

Messaging & Collaboration Engineer(M365)

Role Overview

We are seeking a highly skilled and proactive messaging and collaboration Engineer to oversee, optimize, and secure enterprise messaging and collaboration ecosystem. In this role, you will manage a complex hybrid environment spanning Exchange (On-Premises/Online), Microsoft Teams, SharePoint and enterprise voice. The ideal candidate is a proactive problem-solver who excels at automating administrative tasks via PowerShell, maintaining high availability, and delivering exceptional support within agreed SLAs.

Key Responsibilities

Messaging

 Manage and optimize Exchange Server (On-Premises) and Exchange Online environments

 Configure and maintain mail flow, connectors, and transport rules

 Plan and execute hybrid mailbox migrations and coexistence strategies

Collaboration

 Administer and support Skype for Business Server infrastructure

 Manage and enhance Microsoft Teams collaboration capabilities

 Support cross-platform user communication and collaboration features

Voice & Unified Communications

 Configure and troubleshoot Microsoft Teams Calling

 Manage Enterprise Voice routing, Direct Routing, and Cloud Voicemail

 Maintain seamless communication across multiple platforms

SharePoint Administration

 Manage and maintain SharePoint farms and site collections

 Perform patching, upgrades, and lifecycle management

 Define and enforce governance policies and best practices

 Support hybrid integration with Microsoft 365services

 Troubleshoot issues across SharePoint architecture

PowerShell Automation

 Develop and maintain PowerShell scripts for automation and efficiency

 Leverage Microsoft Graph API, Teams, and Exchange modules

 Automate bulk operations, reporting, and administrative tasks

Security & Maintenance

 Maintain infrastructure security including TLS, OAuth, and mail hygiene

 Perform patch management and system updates

 Manage certificate lifecycle, including renewals and compliance

Monitoring & Reliability

 Implement proactive monitoring and alerting mechanisms

 Respond to incidents and participate in a non-call support rotation

 Ensure high availability and performance of messaging platforms

 Proactively monitors the work queues.

 Performs operational tasks to resolve all incidents/requests in a timely manner and within the agreed SLA.

 Identifies, investigates, analyses issues and errors prior to or when they occur, and logs all such incidents in a timely manner.

 Executes changes with clear identification of risks and mitigation plans to be captured into the change record.

 Ability to work across various other resolver group (internal and external) like Service Provider, TAC, etc.

 Identifies problems and errors before they impact a client’s service

 Leads and manages all initial client escalation for operational issues.

 May work on implementing and delivering disaster recovery functions and tests.

Academic Qualifications and Certifications:

 Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).

 Certifications relevant to the services provided (certifications carry additional weightage on a candidate’s qualification for the role).

 Microsoft 365 Certified: Enterprise Administrator Expert

 Microsoft 365 Certified: Teams Administrator /Collaboration Engineer Associate

Required Experience & Skills

 6+ years of experience in Messaging and Unified Communications within enterprise environments

 Strong hands-on expertise in:

 Exchange Server (SE) and Exchange Online

 Microsoft Teams

 Skype for Business Server

 SharePoint SE and online

 Experience with hybrid environments and migration strategies

 Proficiency in PowerShell scripting and automation

 Strong troubleshooting and analytical skills