Microsoft Teams Telephony & Microsoft Viva Technical Specialist

Sonata Software (SonataOne); Singapore; Remote; SGD 120,000 - 180,000; Full time

Job summary

Sonata Software is seeking a Microsoft Teams Telephony & Viva Technical Specialist to lead design, deployment, and optimization of Teams Voice and Viva workloads for enterprise tenants in Singapore. The role emphasizes hands-on expertise with Direct Routing, SBCs, call routing, and governance across the Microsoft 365 ecosystem.

Ideal candidates will have 10+ years of hands-on experience, Singapore citizenship, and the ability to work in a permanent remote-enabled environment.

Qualifications

• Experience – 10+ years in Microsoft Teams Telephony & Viva environments.
• Singapore Citizenship mandatory.
• Permanent position based in Singapore / remote.
• Expertise in cloud-only and hybrid voice architectures and migration from Skype for Business.

Responsibilities

• Design, deploy, and troubleshooting of Teams Voice and Viva workloads in production enterprise tenants.
• Documentation and handover of technical designs and configurations.
• Collaboration with clients on governance, security, and compliance aspects.

Skills

Microsoft Teams

Microsoft 365

Voice & Telephony

SBC design

PowerShell scripting

Graph API

Viva Connections/Engage

Tools

Teams Phone (Voice)

Direct Routing

SBCs (AudioCodes, Ribbon, Oracle)

TLS/SRTP

SIP trunk integration

Call Analytics

CQD

PowerShell

Microsoft Graph API

Microsoft Purview

Job description

Microsoft Teams Telephony & Microsoft Viva Technical Specialist Singapore, Singapore, Singapore, Singapore Permanent

Job Description

Job Specification:

Microsoft Teams Telephony & Microsoft Viva TechnicalSpecialist

Technical Skills – Solution Area: AI Business Solutions

Location – Singapore (Remote)

Mode of hire – Permanent

Experience – 10+ years

Singapore Citizenship mandatory

1. Microsoft Teams Telephony (Voice) – Core Technical Skills

Deep hands-on expertise in Microsoft Teams Phone (formerlyTeams Telephony) including:

• Calling Plans
• Operator Connect
• Direct Routing
• Design and implementation of cloud-only and hybrid voicearchitectures
• Experience migrating from Skype for Business (Online /On-Prem) to Microsoft Teams Phone
• Voice resiliency design including failover routing, SBCredundancy, and number normalization strategies
• Direct Routing & SBC
• Configuration and management of Session Border Controllers(SBCs):
• Certified SBCs (AudioCodes, Ribbon, Oracle)
• TLS/SRTP, certificates, media bypass
• SIP trunk integration and interoperability testing
• Call routing, dial plans, normalization rules, and tenantdial plan strategy
• Auto Attendants & Call Queues
• Advanced configuration of:
• Auto Attendants (AAs)
• Call Queues (CQs)
• Business-hours routing, overflow, timeout, and sharedvoicemail scenarios
• Resource account management and licensing strategy
• Teams Admin Center:
• Voice policies, calling policies, emergency calling policies
• Number acquisition, assignment, porting, and lifecyclemanagement
• Troubleshooting voice quality using:
• Call Analytics
• Call Quality Dashboard (CQD)
• Emergency Calling (Dynamic E911) configuration andvalidation
• Security, Governance & Automation
• RBAC and scoped administration for Teams Voice
• PowerShell scripting for Teams & Microsoft 365 voiceoperations
• Familiarity with Microsoft Graph API for Teams automation(plus)
• Understanding of Microsoft Purview implications for voicedata (plus)

2. Microsoft Viva – Technical Skills

Viva Connections

• SharePoint Online architecture for Viva Connections:
• Home Site setup
• Global navigation
• Audience targeting
• Configuration of:
• Teams app deployment and pinning strategies
• Branding, theming, and information architecture governance

Viva Engage

• Community architecture and governance
• Configuration of:
• Leadership Corner
• Campaigns
• Q&A and moderation policies
• Analytics and reporting on engagement and adoption
• Transition guidance from legacy Yammer to Viva Engage

Integration with:

• Role-based learning paths
• Assignment, tracking, and completion reporting inside Teams
• Viva Amplify
• Campaign creation and governance

Platforms

• Teams
• Outlook
• SharePoint
• Approval workflows and content lifecycle management
• Analytics and campaign effectiveness reporting

Viva Insights

• Configuration and management of:
• Personal Insights
• Leader Insights
• Workplace Analytics interpretation and insights
• Integration with Power BI for advanced reporting
• Strong understanding of privacy thresholds, anonymization,and compliance boundaries

3. Cross-Platform & Supporting Technical Skills

Strong knowledge of Microsoft 365 ecosystem:

• Exchange Online
• SharePoint Online
• Strong hands‑on experience with Microsoft 365 administrationand architecture
• Exchange Online
• Teams
• SharePoint / OneDrive
• Microsoft Purview
• Experience designing secure M365 tenants for regulatedcustomers
• Intune device and app management (desirable)
• Microsoft Teams Rooms (MTR) setup and management (desirable)
• Experience with tenant-to-tenant and multi-geoconsiderations

4. Technical Experience Expectations (Partner Context)

• Ability to independently design, deploy, and troubleshootTeams Voice and Viva workloads
• Experience operating in production enterprise tenants
• Strong documentation and technical handover capability

ABOUT SONATA SOFTWARE

• Sonata Software, with over $1.2 Billion Revenue, is a leading AI-first Modernization Engineering company, powered by our unique Platformation TM framework. Our 6400+ AI Engineers are helping enterprises transform from systems to intelligent business platforms leveraging partner ecosystem to drive speed, efficiency and growth. Our bouquet of Modernization Engineering Services with AI -first approach cuts across Cloud, Data, AI, Dynamics, Test Automation, and Managed Services.
• Sonata’s AI-led modernization is enabled by a powerful suite of proprietary tools and assets. At the core is the Harmoni.AI Enterprise Platform, which includes Agent Bridge -a governance and observability framework; Agent Builder -a development toolkit for fungible agents integrated into enterprise systems; and the Agent Marketplace -an internal ecosystem for modular, reusable agents.
• Headquartered in Bengaluru, India, Sonata Software has a strong global presence, including key regions US, UK, India, Malaysia, Mexico, Australia, DACH (Germany/Switzerland) & Nordics (Finland). We are a trusted partner of Fortune 500 companies in Banking, Financial Services and Insurance; Healthcare and Lifesciences; Telecom, Media, and Technology; and Retail, Manufacturing and Distribution space.
• Deep collaborations with partners like Microsoft, AWS, Salesforce, and Snowflake strengthen our ability to deliver cutting-edge AI solutions. Our 30+years of partnership with Microsoft, and being part of the elite Microsoft Inner Circle, places us among the top 1% of global Microsoft partners. Sonata is now among the first companies to earn the Microsoft Frontier Partner Badge Also; Sonata Software is proud to achieve AWS Premier Tier Status in the AWS Partner Network.

Why join Sonata Software?

At Sonata, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build never seen before solutions to some of the world’s toughest problems. You´ll be challenged, but you will not be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Sonata Software is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity, age, religion, disability, sexual orientation, veteran status, marital status, or any other characteristics protected by law.

Job Snapshot

Updated Date

30-10-2026

Job ID

SSSG-26-27-10

Department

Managed Cloud Services MS

Location