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Network QA Engineer 3

Bellevue, WA 98007

Posted: 10/15/2019 Industry: Testing Job Number: 9160

9160 | Network QA

Bellevue, WA

 

MCPTT Lab Test Engineer

 

Must Have Skills:
  • LTE/IMS/SIP/VoLTE/VoWifi/RCS/RTP/RTCP/MSRP/DNS/HTTP, TCP/IP
  • Smartphone devices Lab and Field IOT test and troubleshooting experience
  • Strong troubleshooting and analytical skills and able to segregate issues of device and network.
  • Hands on experience of defect tracking systems.
  • Good understanding of Call Flows end-to-end (UE to NW entities/Servers)
  • 3-7 years of relevant experience in IMS/VOLTE/SIP/RTP/RTCP/LTE/Protocol domain (UE/handset side preferred).

 

Responsibilities
  • Executing Mission Critical Push to Talk (MCPTT) IOT/Lab test plan for feature or issue reproduction in 3rd party Carrier/Vendor labs.
  • Develop strong system knowledge required for MCPTT services and call flows.
  • Defect troubleshooting in IOT/LC lab environment with network and operator engineers.
  • Perform test plan analysis, SW download, sanity testing, and configure devices specific to test plan/feature, device logging with tools
  • Tracking and Follow-ups on the issues for early closure with respective owners.
  • Learn and Create device sanity test plan for new MCPTT features Ex. ProSE/D2D
  • Device log analysis (SIP/IMS/Modem) and provide logical conclusion to issues after co-working with R&D Dev teams.
  • Support technology trials related to new feature validation by Lab/Live network testing, and integration testing
  • Strong verbal and written communication with R&D, Project Managers, Carrier/customer SMEs

 
  • Working knowledge of various protocols and technologies such as LTE/IMS/SIP/VoLTE/VoWifi/RCS/RTP/RTCP /MSRP/DNS/HTTP.
  • Strong troubleshooting and defect analysis skills and should be able to segregate issues from device and network perspective.
  • Ability to write and review technical reports that can be explained to the customers and technology partners.
  • Strong presentation skills desired.
  • Strong TCP/IP fundamentals and working knowledge.
  • Ability to work in cross functional team environment.
  • Hands on experience of defect tracking systems.
  • Physical/Mental Demands and Working Conditions require the ability to perform the essential duties and responsibilities in the following environment:
  • Must be able to work in radio lab environment.
  • Operate a computer keyboard and view a video display terminal more than 90% of work time.

Duration: 1 year contract – expected extension

Location: Bellevue, WA

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