VoIP/SIP Automation Tester
Job in
Ipswich, Suffolk County, IP1, England, UK
Listed on 2026-08-29
Listing for:
Randstad Technologies Recruitment
Part Time
position Listed on 2026-08-29
Job specializations:
-
IT/Tech
Job Description & How to Apply Below
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, Git Lab).
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 Star Trinity.
- OS/Systems: Linux (RHEL/CentOS) and basic server admin.
- Experience with Perimeta SBC, Metaswitch Rhino, or Dialogic Media Server.
- SSCA Certification or knowledge of IN protocols (INAP/MAP).
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