Network Engineer (Lab Test)

Job Description:

Job Title:              Network Engineer (Lab Test)

Duration:             Contract / Full-Time Employment

Location:             Bellevue, WA

Summary:

The main function of a network engineer is to develop product and feature requirements on 4G/5G air interface and call processing technology. The typical network engineer will be responsible for performing detailed analysis of 4G and 5G protocols.

Top must have skills:

• 3GPP 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)

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, eMBMS
• 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

Background/Experience to qualify for this position, the following minimal background and skill levels are required:

• 3-7 years of relevant experience in 3GPP LTE/IMS/VOLTE/SIP/RTP/RTCP/Protocol domain (UE/handset side preferred).