4 of 4 Permanent VoIP Jobs in the City of London

tools such as iPerf, Spirent, IxNetwork/Ixia or similar tools . Perform RFC 2544 testing and network performance benchmarking . Test SIP/VoIP and Unified Communications connectivity where required. Support Data Centre, Cloud and network infrastructure testing. Manage the full defect lifecycle, including defect logging, root cause analysis ...

experience Experience working with UK Government/Public Sector customers Strong enterprise networking knowledge Cisco routing and switching TCP/IP, SNMP, NetFlow and VoIP LAN/WAN and MPLS Network performance monitoring Packet analysis and network troubleshooting Network security and infrastructure design Linux and Windows knowledge Cloud and virtualisation ...

based voice services and cloud-integrated Speech AI. The role bridges traditional telephony with modern cloud AI and requires hands-on Java, SIP, and VoIP tooling expertise. The position focuses on developing stable SIP services using Java, managing FreeSWITCH/Asterisk, and deploying across AWS, Azure ...

Experis - ManpowerGroup in the United Kingdom seeks a Senior QA Automation Engineer to lead VoIP testing and automation initiatives. You will design scalable test frameworks, author rigorous test cases, and produce detailed reports to guide deployment decisions. The role requires deep knowledge of SIP/RTP, network diagnostics ...