Test Automation Engineer (VoIP)
Test Automation Engineer (VoIP) Contract - Paying up to £367 Per Day, Inside IR35, Based in Ipswich, Hybrid Working, Contract until March 2027, To Start ASAP
Your new role
We're seeking an experienced VoIP Test Automation Engineer to join a team delivering critical voice and communications platforms. You'll be responsible for ensuring the quality, reliability and performance of VoIP services through automated testing, protocol validation and network analysis.
Key Responsibilities:
- Design and maintain automated test frameworks for VoIP, signalling and media services
- Develop scripts to simulate call loads, stress conditions and network degradation
- Integrate automated testing into CI/CD pipelines
- Create detailed functional, performance, security and regression test cases
- Analyse SIP and RTP traffic using tools such as Wireshark and tcpdump
- Monitor voice quality metrics including latency, jitter, packet loss and MOS scores
- Produce comprehensive test reports and manage defects through Jira
- Work closely with Development, DevOps and Network Engineering teams to resolve issues
What you'll need to succeed
- VoIP testing experience using SIPp, Spectra, WinSIP or StarTrinity
- Test automation with Python and Robot Framework
- API and performance testing using JMeter, k6, Locust, Taurus/BlazeMeter or Newman
- GUI automation experience with TestCafe
- CI/CD testing integration experience
- Knowledge of SIP, RTP and telecoms environments
- Experience with Linux (RHEL/CentOS/OEL) and Windows administration
- Exposure to telecoms platforms such as Metaswitch Rhino, Dialogic Media Server or Perimeta SBC
Desirable Skills: - SSCA SIP School certification
- Knowledge of INAP, CAP and MAP protocols
- Metaswitch Scenario Simulator experience
- Telecoms security, system hardening and ITIL knowledge
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
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