Unified Communications Engineer

Location: London (Hybrid)

Salary: Competitive Benefits

Are you an experienced Unified Communications Engineer looking to lead on cutting-edge collaboration and telephony technologies? This is an exciting opportunity to join a forward-thinking global organisation at a pivotal time of transformation, as they modernise their communication platforms and migrate from legacy systems to cloud-based solutions.

As a Unified Communications Engineer, you’ll be the technical lead for enterprise-wide communications platforms, including Microsoft Teams (chat, conferencing, calling), Microsoft 365 email, OneDrive, and Cisco Unified Communications Manager (CUCM). You’ll play a key role in migration projects, ensuring seamless transitions to Microsoft Teams Calling while driving optimisation and enhancing user experience across the business.

• Administer, configure, and optimise Microsoft Teams for enterprise chat, video conferencing, and voice (including PSTN integration).
• Manage Microsoft 365 Mail and OneDrive, focusing on reliability, security, and compliance.
• Oversee the transition from Cisco CUCM to Microsoft Teams Calling.
• Design and implement call routing, hunt groups, auto-attendants, and call queues.
• Troubleshoot complex issues across telephony and collaboration platforms.
• Support change management and deliver training to ensure high adoption of new tools.
• Collaborate with IT leadership, business stakeholders, and vendors to align UC solutions with organisational needs.

We’re looking for someone with:

• 5–8 years’ IT experience, including at least 3 years in Unified Communications.
• Proven expertise in Microsoft Teams administration (chat, conferencing, enterprise voice).
• Strong hands-on experience with Microsoft 365 (Exchange Online, OneDrive, SharePoint, Entra).
• Background in Cisco CUCM administration and telephony migration.
• Knowledge of VoIP, SIP, QoS and related telephony protocols.
• Relevant certifications such as Microsoft 365 Teams Administrator or Cisco CCNP Collaboration (desirable).
• Excellent communication skills, with the ability to engage both technical and non-technical stakeholders.

This role offers the chance to be at the forefront of a major UC transformation project, where you’ll directly influence the technology strategy and help deliver a modern, cloud-first communication environment. You’ll work with a global team, cutting-edge platforms, and enjoy ongoing opportunities for professional growth.