About this role
Senior Network & Telephony Support Engineer at Radius Limited. Location: Crewe, England, United Kingdom. Role: resolving escalations, diagnosing faults, liaising providers Requirements: Operate at a strong 2nd-line level in telecoms/MSP environments; troubleshoot VoIP/SIP and call flows, networking (VLANs, routing, switching), hosted telephony platforms; communicate with carriers and suppliers. Category: Information Technology Seniority: Senior Level Tools: VoIP, SIP, Avaya, Wildix, 3CX, Zoom, Five9, Microsoft Teams, Webex Certifications: ccna, microsofts, comptia network+, itil 4 Commitment: Full Time Workplace: Onsite Languages: English