Messaging & Collaboration Engineer (M365)

NTT
Singapore
Workplace: OnsiteFull timeFunction: Laboratory & Clinical OperationsExperience: 6+ yearsEducation: bachelorsSkills: ["Proactive problem-solving","Troubleshooting","Analytical thinking","Automation mindset","SLA-focused execution"]

Manage and secure NTT DATA’s enterprise messaging and collaboration ecosystem, including Exchange (on-prem and online), Microsoft Teams, SharePoint, Microsoft Viva, enterprise voice, and M365 Apps. Monitor, troubleshoot, and resolve incidents and client requests within SLAs, automate administration with PowerShell and Microsoft Graph, and support hybrid mailbox migrations, voice routing, reliability, and patch/certificate lifecycle maintenance.

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FursaFursa
NTT
NTT
1 week ago

Messaging & Collaboration Engineer (M365)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live
Reposted: similar role first listed 1 month ago

Job Summary

Manage and secure NTT DATA’s enterprise messaging and collaboration ecosystem, including Exchange (on-prem and online), Microsoft Teams, SharePoint, Microsoft Viva, enterprise voice, and M365 Apps. Monitor, troubleshoot, and resolve incidents and client requests within SLAs, automate administration with PowerShell and Microsoft Graph, and support hybrid mailbox migrations, voice routing, reliability, and patch/certificate lifecycle maintenance.
Location: Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Laboratory & Clinical Operations
Seniority: Mid level

Key Responsibilities

  • •Manage and optimize Exchange Server (on-premises) and Exchange Online environments, including mail flow, connectors, and transport rules.
  • •Support collaboration platforms by administering Microsoft Teams capabilities and Skype for Business Server infrastructure.
  • •Troubleshoot and configure Microsoft Teams Calling and manage enterprise voice routing, direct routing, and cloud voicemail.
  • •Develop PowerShell scripts and use Microsoft Graph API and Teams/Exchange modules to automate bulk operations, reporting, and administrative tasks.
  • •Monitor messaging queues, investigate and resolve incidents/requests within SLAs, perform patch management, and maintain security (TLS/OAuth) and certificate lifecycle compliance.

Key Requirements

  • •6+ years of experience in messaging and unified communications within enterprise environments.
  • •Hands-on expertise in Exchange Server (on-premises) and Exchange Online.
  • •Experience administering Microsoft Teams and Skype for Business Server infrastructure.
  • •Proficiency in PowerShell scripting and automation for messaging and collaboration operations.
  • •Experience with hybrid environments and mailbox migration/coexistence strategies.
Experience:6+ yearsEnterprise environmentsManaged services
Education:Bachelor's in IT/Computing
Skills:Proactive problem-solvingTroubleshootingAnalytical thinkingAutomation mindsetSLA-focused execution
Certifications:Microsoft 365 Certified: Enterprise Administrator ExpertMicrosoft 365 Certified: Teams Administrator / Collaboration Engineer Associate
Tech Stack:Microsoft 365Exchange ServerExchange OnlineMicrosoft TeamsSharePointMicrosoft VivaSkype for Business ServerMicrosoft Teams CallingEnterprise VoiceDirect RoutingCloud VoicemailM365 AppsPowerShellMicrosoft Graph APIPower BITLSOAuthCertificate lifecycleMail flowTransport rules

Company Brief

NTT
Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.
Industry: Professional Services
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Public Company (Market Cap in USD)
Headquarters: London, United Kingdom
Founded: 1983
WebsiteLinkedIn