Infrastructure and Voice Engineer

Infrastructure & Voice Engineer

Hybrid working – 3 days on site in London

eDV clearance required

Up to £700 per day

I’m currently recruiting for an experienced Infrastructure & Voice Engineer to support a major enterprise-wide Telephony Transformation Programme, helping migrate legacy voice platforms to modern unified communications solutions.

This is an exciting opportunity to work on a high-profile transformation programme delivering secure, large-scale communications infrastructure across complex environments.

Key responsibilities

• Configure, test, and deploy VoIP/SIP, SBCs, MS Teams Phone, and call routing solutions
• Support migration activities including number porting, handset deployments, and legacy system decommissioning
• Troubleshoot telephony, infrastructure, and integration issues across voice and network environments
• Support discovery activities, site audits, pilot rollouts, and phased migrations
• Conduct testing, failover validation, and user acceptance support
• Produce technical documentation, configuration records, and handover materials
• Work closely with network teams, suppliers, and key business stakeholders throughout delivery

Key experience required

• Strong background in voice, infrastructure, or unified communications engineering
• Hands‑on experience with VoIP, SIP, SBCs, and enterprise call routing
• Proven delivery experience within migration or transformation programmes
• Strong troubleshooting and stakeholder engagement skills

If you’re DV cleared and looking for your next challenge within a large‑scale infrastructure and communications transformation programme, I’d be keen to speak with you.

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