Our client is a fast growth tech company providing IT & Comms support to small and medium businesses throughout the UK. They are looking for a skilled and enthusiastic Comms Helpdesk Engineer with experience in VoIP/SIP and IP networks. The successful candidate will handle 2nd-line technical tickets, resolve and triage issues, and, when necessary, escalate them to the engineering team. This role may also involve visiting customer sites for on-site support. Main duties: * Handle 2nd line tickets requiring technical support for VoIP systems * Troubleshoot and resolve VoIP, SIP and networking related issues * Investigate and monitor telecoms, WI-FI and networking issues * Visit client sites to diagnose and repair VoIP services * Deliver first class customer service at all times. Experience required: * Proven knowledge and experience with VoIP technologies, SIP messaging, call flows and packet capture analysis. * Strong understanding of IP networks, TCP/IP and troubleshooting network related issues. * Familiarity with IP PBX systems and their configuration * Ability to troubleshoot * Full driving license Preferred Qualifications: * Certifications in relevant technologies (CompTIA, Network+, CCNA) * Experience with specific VoIP platforms (Asterisk, Hosted Cloud Telephony) * Familiarity with network monitoring tools and software This is an excellent opportunity to join an ext...