https://jobs.co.uk/job/voip-sip-automation-tester-ipswich-uk-randstad-technologies-recruitment--094d7df1-eaf0-44e3-acfe-516b033f1119 RSS feed for VoIP / SIP Automation Tester - Ipswich, UK at Randstad Technologies Recruitment. en-gb Wed, 26 Aug 2026 00:29:28 GMT https://jobs.co.uk/job/voip-sip-automation-tester-ipswich-uk-randstad-technologies-recruitment--094d7df1-eaf0-44e3-acfe-516b033f1119 https://jobs.co.uk/job/voip-sip-automation-tester-ipswich-uk-randstad-technologies-recruitment--094d7df1-eaf0-44e3-acfe-516b033f1119 Mon, 24 Aug 2026 23:00:00 GMT Location: Ipswich | Salary: £300 - £369/day | Type: Contract | Role: VoIP Automation Tester Type: Contract (6 Months with possible extension) Location: Ipswich, UK Working Model: Hybrid (3 days per week in office) Payrate: -300 to -369 per day on Inside IR35 via Umbrella We are looking for a highly skilled VoIP tester to ensure the reliability and quality of our real-time voice and video communication systems. If you can build automation frameworks from scratch and troubleshoot SIP call flows at the packet level, we want to hear from you. The Role: Build and maintain automated test frameworks for signaling and media handling. Simulate concurrent call load and network degradation. Diagnose audio drops and call failures using packet captures. Integrate test scripts into CI/CD pipelines (Jenkins, GitLab). Must-Have Skills: Protocols: Deep knowledge of SIP, RTP, and SDP. Automation: Python and Robot Framework. Diagnostics: Wireshark, tcpdump, PCAP analysis. VoIP Tools: SIPp, Spectra, WinSIP, or StarTrinity. OS/Systems: Linux (RHEL/CentOS) and basic server admin. Nice-to-Have: Experience with Perimeta SBC, Metaswitch Rhino, or Dialogic Media Server. SSCA Certification or knowledge of IN protocols (INAP/... Contract