Engineer to play a critical role in the design, implementation, and support of telephony solutions across their infrastructure. This role requires deep technical expertise in VoIP systems, especially Asterisk-based platforms, and a working knowledge of networking protocols and Linux environments. The role will contribute to ongoing service development, support operations, and ensure the stability and scalability … of communication systems used by clients and internal teams. Key Responsibilities: VoIP Platform Engineering: Develop, operate, and support VoIP systems including SIP proxies (Kamailio/OpenSIPS), AsteriskPBX, and VoIP gateways. Design, build, test, and deploy telephony solutions including IP PBX, EPABX, and related infrastructure. Implement and enhance functionalities using Asterisk AGI, AMI, ARI … interfaces. Collaborate on custom PBX deployments and integrations with third-party systems. System Support and Troubleshooting: Handle L3 support escalations, perform advanced diagnostics, and resolve critical voice and networking issues. Monitor and analyse telephony traffic to identify anomalies, optimise performance, and reduce call quality issues. React quickly to alerts and incidents , working to rapidly restore service and conduct post More ❯
management. Implementing and administering network infrastructure including LAN, WAN (MPLS), SIP and Firewalls in a Cisco environment. Experience of F5 Load balancers. Implementing and administering telecoms infrastructure including Asterisk, openSIPS and Avaya CM. More ❯
Desirable Implementing and administering network infrastructure including LAN, WAN (MPLS), SIP and Firewalls in a Cisco environment. Experience of F5 Load balancers. Implementing and administering telecoms infrastructure including Asterisk, openSIPS and Avaya CM. More ❯
Desirable Implementing and administering network infrastructure including LAN, WAN (MPLS), SIP, and Firewalls in a Cisco environment. Experience of F5 Load balancers. Implementing and administering telecoms infrastructure including Asterisk, openSIPS, and Avaya CM. Education Requirements A-Level or Equivalent Degree Desirable Experience Requirements 4+ Years IT Support Experience Industry Financial Service Job Location Leeds Qualifications MCP Desired Responsibilities More ❯
OR Professional Certification. Responsibilities and skills Minimum of 5 years commercial experience in software development. Essential: C++ Windows IP basics (IPv4), sub-netting, routing Windows Services Desirable: Linux Asterisk exposure (installation and configuration) Any exposure to telephony, especially VOIP. Nice to have: Windows OS internals knowledge, e.g. sessions, registry architecture, DLL design, security. Exposure to parallelism, e.g. threading. More ❯
