J

JND

LTE/5G Mobile Device Field Test Engineer - Cell Phone Field Testing

Manual & Functional QAConfirmed live in the last 24 hours
Full-timePlano, TX, USA$33 - $34 /hr

About the Job

Requirements

  • Verbal and written communication, problem-solving, customer service, and interpersonal skills.
  • Ability to work independently and manage multiple tasks at one time.
  • Solid understanding of end-to-end LTE and 5G network architecture.
  • Strong knowledge of 4G and 5G air interface, call processing technologies, and network architecture, specifically focused on the Radio Access Network (RAN).
  • Familiarity or expertise with UE log post-processing tools (QXDM, QCAT, Wireshark, ShannonDM), with a good understanding of OTA signaling messages.
  • Ability to analyze and debug IMS-related features, including registration, VoLTE/VoWiFi/ViLTE, conferencing, SMS/MMS, and RCS.
  • Previous experience post-processing UE logs and analyzing various KPIs.
  • Previous LTE and 5G NR field test experience in live networks.
  • Good knowledge of and familiarity with 5G NSA and SA.
  • Previous test experience with SIM OTA activation.

Responsibilities

  • Perform quality assurance activities, including LTE and 5G field protocol and SIM OTA activation testing.
  • Develop and execute test strategies and plans, and validate UE functionality on 4G/5G air interface and call processing technology.
  • Ensure UE (User Equipment) meets QA and carrier requirements.
  • Perform detailed analysis of 4G and 5G protocols, including field testing with mobile handset devices in live networks.
  • Work in a mobile work environment, spending 80% of time in a vehicle or field and 20% in the office.
  • Analyze customer requirements, convert them into system requirements, and capture detailed design for the development team.
  • Aid in product and feature performance analysis, and evaluate new product and software releases.
  • Analyze and troubleshoot issues reported from customer labs, field sites, and production networks.
  • Review and provide recommendations to improve UE performance by evaluating and trending key KPIs, performing trials, and providing optimization guidelines.
  • Set up test plans to meet deadlines based on requests from the project lead.
  • Determine risk items based on issues found during testing.
  • Travel 25% of the time.

About the Company

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