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Test Engineer- VoIP, IMS, SIP

Premium Job From Experis IT
Recruiter: Experis IT
Listed on: 28th September
Location: London
Type: Contract
Start Date: ASAP

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Test Engineer - VoIP, IMS, SIP

London

6 months initially

About our Client:

Our client is Europe's leading entertainment company and serves over 22 million customers across five countries. Their business in the UK and Ireland has come a long way since starting out as a satellite broadcaster in 1989 and we're not stopping there. They are home to award-winning teams for everything from Customer Service to Marketing, from Technology to Finance, meaning there's plenty of opportunity for you, no matter what your career goals.

Your key responsibilities:

As a VoIP test engineer you will be asked to

  • Design test cases against the client's SIP/VoIP requirements
  • Setup the test lab to execute each test case
  • Execute test cases, including:
    • confirm compliance to the client's VoIP specification for each test case marked "pass"
    • raise Jira/Redmine tickets for any test case marked "fail"
    • investigate the root cause of any issue found
    • suggest amendments to the test case/test lab as appropriate
  • Write summary and exit reports at the end of each test cycle

Required Technical Skills:

  • Testing VoIP either on the Core (IMS) side or Access (ATA) side.
  • Subject Matter Expert in SIP protocol and understands IMS infrastructure.
  • Has expertise to analyse call-flows and point out protocol issues.
  • Knowledge in VoIP and IMS domain.
  • Has a proactive attitude for testing and having the expertise to suggest amendments to the test plan as and when required.
  • Has a good understanding of TCP-IP protocol stack.
  • Good understanding of RTP, RTCP, RTP Events, DTMF and SDP.
  • Good understanding in Voice/network troubleshooting techniques, including packet captures through Wireshark and trace analysis.

Suitable candidates should submit their CV in the first instance.