6 of 6 VoIP Jobs in Central London

Network Test Engineer – SD-WAN & Network Infrastructure

Hiring Organisation
Syncarp
Location
City of London, London, United Kingdom
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 ...

Network Sales Engineer

Hiring Organisation
Prospectus IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Software Engineering Specialist

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
Speech-to-Text). Multi-Cloud Exposure: Experience deploying and managing applications on AWS, Azure, and GCP. Tools: Proficiency with Wireshark or sngrep for VoIP troubleshooting. Preferred Qualifications Experience with Java telephony frameworks like Metaswitch Rhino SLEE or Oracle OCCAS. Understanding of containerisation using Docker and Kubernetes in cloud environments. ...

Voice Platform Engineer (SIP, AI, Multi-Cloud)

Location
City Of London, England, United Kingdom
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 ...

Senor QA Automation Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £370/day
Senior QA Automation Engineer 6 months Hybrid Inside IR35 - umbrella only We are seeking a highly skilled VoIP Services Tester with Automation Experience to join our engineering team. In this role, you will ensure the reliability, quality, and security of our real-time voice and video communication systems. You will … media. Validate Protocols: Verify SIP signaling, SDP negotiations, and RTP/SRTP media stream compliance. Assess Quality Metrics: Continuously monitor and log critical VoIP KPIs including jitter, packet loss, latency, and Mean Opinion Score (MOS). 4. Test Reporting & Defect Management Publish Test Reports: Generate comprehensive test execution summaries, metric ...

VoIP QA Automation Architect

Location
City Of London, England, United Kingdom
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 ...