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Int. to Sr. Telecom Network Tester to test 4G and 5G call flows

S.i. Systems

This is a Contract position in Toronto, ON posted October 6, 2020.

Si Systems client is looking for an Int. to Sr. Telecom Network Tester who has experience testing 4G and 5G call flows and overall understanding of latest technologies in the telecom space.

  • 5+ years of Network Testing experience in Canadian telecom industry, including a thorough understanding of LTE/IMS and 5G technologies with good knowledge in 3GPP standards and how to interpret business needs and translate them into Test Scenarios.
  • Experience in 4G and 5G call flows, and overall understanding of latest technologies in the Telecom space including VOLTE, VoWiFi, IoT is Must.
  • Testing the call flows as per 3GPP system architecture, 4G and 5G Core, Service Based Architecture (SBA) and Non-Access Stratum.
  • Experience in testing the end-to-end scenarios like 3G/4G Attach, Network Handovers, VoLTE calls, SRVCC, call forwarding, call waiting, conference, and other supplementary services.
  • Strong knowledge in LTE/VoLTE, VoIP, IMS, 5G technologies and EPC Architecture along with IMS functions and LTE interfaces.
  • Strong debugging skills and log analysis abilities related to Core Network elements, end-to-end analysis capabilities of UE side logs, LTE vendor logs, IMS/VoLTE logs, and core network logs.
  • Hands on experience testing of an air interface related scenarios and troubleshooting of call processing related issues, protocols, and other Core Network related interfaces.
  • Good understanding of wireless radio technology principles, Solid knowledge of the 3GPP Non-Access Stratum and of the related features up to 3GPP Release 15, ETSI and IEEE.
  • Experience with JIRA and Quality Center for Defect Management is must.