Voice Engineer (Microsoft Teams Voice | Cisco | Ribbon SBC | PowerShell) - Contract

Voice Engineer (Microsoft Teams Voice | Cisco | Ribbon SBC | PowerShell) - Contract

Location: Chester (Hybrid - 3 days per week onsite)

We are recruiting for an experienced Voice Engineer to join a large-scale enterprise environment, supporting and maintaining a global voice infrastructure with a strong focus on Microsoft Teams Voice and enterprise telephony.

This is an excellent opportunity for an engineer with a background in Microsoft Teams Phone, Cisco Voice and SIP/VoIP technologies who enjoys working in a fast-paced production environment, troubleshooting complex voice issues and collaborating with global support teams.

Responsibilities

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  Provide operational support for Microsoft Teams Voice and enterprise telephony platforms.

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  Troubleshoot and resolve complex voice, SIP and interoperability issues across Cisco and Microsoft Teams environments.

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  Support core voice services including Session Border Controllers (SBCs), carrier connectivity and enterprise telephony.

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  Investigate and resolve incidents, working closely with infrastructure, network and carrier support teams.

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  Participate in change management, problem management and major incident activities.

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  Monitor service performance and proactively identify opportunities for service improvement.

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  Engage with Microsoft support where required, managing escalations through to resolution.

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  Produce clear technical documentation and communicate effectively with technical and business stakeholders.

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Essential Skills & Experience

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  5+ years' experience supporting enterprise Voice or Unified Communications environments.

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  Strong experience with Microsoft Teams Voice/Teams Phone.

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  Experience supporting Cisco Voice/CUCM environments.

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  Knowledge of Ribbon SBC or other Session Border Controllers.

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  Experience with Direct Routing and enterprise telephony.

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  Strong understanding of SIP, VoIP and carrier connectivity.

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  Experience with Microsoft 365 Admin Centre, Teams Admin Centre and Microsoft Entra.

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  Experience with Call Analytics, Call Quality Dashboard (CQD) and Quality of Experience reporting.

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  PowerShell Scripting and Microsoft Graph API experience.

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  Experience using ServiceNow and/or Remedy.

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  Strong incident, problem and change management experience within a production environment.

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Desirable

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  Microsoft 365 Certified: Teams Administrator Associate.

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  Experience with Splunk and ThousandEyes.

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  Experience supporting Contact Centre technologies.

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  Previous experience within a large enterprise or financial services environment.

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This contract offers the opportunity to work within a highly available global voice infrastructure, supporting business-critical collaboration platforms and driving operational excellence across enterprise voice services.