SC Cleared Cabling Project Design Engineer

SC Cleared Cabling Project Design Engineer - £450/day via Umbrella - 4 Month Contract - UK (Onsite, Multiple Customer Sites) - SCC Flex Contract

We are seeking an experienced Cabling Project Design Engineer to support a major SCC customer voice and cabling transformation programme across the UK. This is an exciting opportunity for a Cabling Project Design Engineer to play a key role in designing and delivering large-scale Microsoft Teams Voice and AudioCodes infrastructure deployments within a secure government environment.

Working as a Cabling Project Design Engineer, you will be responsible for transforming approved architectures and survey outputs into repeatable, site-ready deployment designs while supporting the implementation and optimisation of voice, cabling and communications infrastructure across a multi-site estate.

Your responsibilities as the Cabling Project Design Engineer:

• Produce site-specific High-Level Designs (HLDs), Low-Level Designs (LLDs), implementation documentation and deployment packs based on approved architecture and survey data.

• Design and document AudioCodes Session Border Controller (SBC) configurations supporting Microsoft Teams Phone, Enterprise Voice and Direct Routing.

• Assess site readiness including cabling requirements, rack space, power availability, LAN/WAN connectivity, resilience considerations and installation constraints.

• Create and maintain bills of materials, rack elevations, cable schedules, port maps, implementation plans, test scripts and as-built documentation.

• Collaborate with Project Managers, Solution Architects, cabling partners and customer stakeholders to ensure successful rollout activities.

• Support staging, installation, configuration and commissioning of AudioCodes SBCs, gateways, analogue adapters, Teams devices and associated infrastructure.

• Attend customer sites across the UK to validate designs, support deployments, troubleshoot issues and complete technical assurance activities.

• Support System Integration Testing (SIT), User Acceptance Testing (UAT), migration activities, number porting and post-implementation support.

• Troubleshoot signalling, routing, media, device, network and cabling issues using SBC logs, traces and diagnostic tools.

• Ensure all designs and deployment activities comply with customer security controls, governance processes and documentation standards.

• Provide clear project updates relating to risks, issues, dependencies and progress to engineering and programme stakeholders.

• Support occasional planned out-of-hours deployment and migration activities where required .

As a successful Cabling Project Design Engineer, you will have:

• Proven experience delivering enterprise Unified Communications, voice transformation or multi-site deployment programmes.

• Strong practical experience with Microsoft Teams Phone, Teams Enterprise Voice, Direct Routing, dial plans, voice routing policies and number management.

• Hands-on experience designing, configuring and troubleshooting AudioCodes SBC solutions.

• Experience producing HLDs, LLDs, implementation guides, test documentation and as-built records.

• Strong understanding of SIP, RTP/SRTP, TLS, PSTN connectivity, codecs, DTMF and carrier services.

• Good knowledge of networking technologies including VLANs, routing, DNS, DHCP, QoS, certificates and Firewall requirements.

• Experience interpreting site surveys, rack layouts, structured cabling documentation and technical standards.

• Experience supporting testing, migration and live-service troubleshooting activities.

• Strong fault-finding and diagnostic skills using packet captures, Teams diagnostics and vendor management tools.

• Excellent communication skills with the ability to engage effectively with both technical and non-technical stakeholders.

• Experience working within formal change, design assurance, testing and acceptance processes.

• Active Security Check (SC) clearance.

• Ability and willingness to travel regularly to customer sites across the UK.

• Full UK driving licence or the ability to demonstrate reliable travel arrangements.

Desirable Skills & Experience:

• AudioCodes certification or equivalent practical experience.

• Microsoft Teams Phone, Microsoft 365 or related Microsoft certification.

• Experience within secure public sector, government, defence, regulated industry or critical national infrastructure environments.

• Experience with analogue gateways, survivability solutions and large-scale multi-site rollouts.

• Relevant networking or structured cabling certifications.

If you are an experienced Cabling Project Design Engineer looking for your next contract opportunity and want to support a high-profile UK-wide transformation programme, we'd love to hear from you. Apply today to be considered for this SCC Flex Contract opportunity. Professional references required .

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