Messaging & Collaboration Engineer (M365)

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

We are looking for a highly skilled Messaging and Collaboration Engineer to manage, optimize, and secure our enterprise collaboration ecosystem. In this role, you will oversee a complex hybrid environment including Exchange (On-Premises and Online), Microsoft Teams, SharePoint, Microsoft Viva, enterprise voice, and M365 Apps, while leveraging Microsoft Power BI for ecosystem insights and reporting. The ideal candidate is a proactive problem-solver who uses PowerShell to automate tasks, maintains high system availability, and consistently delivers top-tier support within established SLAs.

Through the proactive monitoring, identifying, investigating, and resolving of technical incidents and problems, the Managed Services Cross Technology Engineer (L2) is able to restore service to clients. 

The primary objective of this role is to proactively review client requests or tickets and apply technical/process knowledge to resolve them without breaching service level agreement (SLA). 

The Managed Services Cross Technology Engineer (L2) focuses on second-line support for incidents and requests with a medium level of complexity and focusses across two or more technology domains - Cloud, Security, Networking, Applications and / or Collaboration etc.

This role may also contribute to / support on project work as and when required.

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

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 an on-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

Experience with hybrid environments and migration strategies

Proficiency in PowerShell scripting and automation

Strong troubleshooting and analytical skills

Workplace type:

On-site Working

About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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