Global Unified Communications Lead - Teams & Cloud Voice

Smiths Group; Hemel Hempstead; On-site; GBP 70,000 - 100,000; Full time

Job summary

Smiths Detection seeks an experienced Unified Communications Manager to own and support our global voice and telephony environment. This hands-on role combines enterprise telephony, call routing, contact centre technologies, supplier management, and cloud communications.

You will ensure reliability, security, and continuous improvement of our voice platforms while serving as the technical lead for partners including AT&T, DXC, AWS, and carriers.

Qualifications

• Significant experience supporting enterprise Unified Communications and telephony environments.
• Experience with Microsoft Teams Phone and Direct Routing.
• Experience administering SBC technologies such as Ribbon or AudioCodes.
• Proven experience managing SIP trunking, VoIP services, carrier platforms, and PBX systems.
• Experience designing and supporting complex call routing architectures and dial plans.
• Experience supporting or integrating contact centre technologies and customer communication platforms.
• Strong understanding of global telephony operations and carrier services.
• Experience managing technical relationships with telecommunications providers.

Responsibilities

• Lead day-to-day administration and support of enterprise telephony services, including Microsoft Teams Phone, SBCs, PBX systems, voicemail platforms, and telephony gateways.
• Manage SIP trunking, POTS services, carrier connectivity, numbering plans, and global telephony provisioning.
• Administer and optimise Teams Phone services including Direct Routing, Call Queues, Auto Attendants, Teams Rooms, and Survivable Branch Appliances.
• Support telephony infrastructure upgrades, migrations, and cloud transformation initiatives.
• Design, configure, and support complex call routing solutions across global business operations.
• Manage dial plans, number management, routing policies, failover scenarios, and voice resilience strategies.
• Support integrations between telephony platforms and contact centre technologies.
• Lead security, continuity and governance for voice platforms.

Skills

Microsoft Teams Phone

Direct Routing

SIP/VoIP

PBX/Voicemail

Call routing design

Vendor management

Security & compliance

Education

Degree in Information Systems/Telecommunications/CS

Ribbon/AudioCodes certs

Tools

SBCs (Ribbon AudioCodes)

Teams Phone Direct Routing

Job description

Smiths Detection seeks an experienced Unified Communications Manager to own and support our global voice and telephony environment. This hands-on role combines enterprise telephony, call routing, contact centre technologies, supplier management, and cloud communications.

You will ensure reliability, security, and continuous improvement of our voice platforms while serving as the technical lead for partners including AT&T, DXC, AWS, and carriers.