About The Position

JND is hiring a full-time, hourly Network QA Engineer in Plano, Texas. The engineer will perform Quality Assurance activities involving LTE and 5G field protocol testing and SIM OTA activation testing. The role develops and executes test strategies and plans, validates user equipment (UE) functionality over 4G/5G air interfaces and call-processing technologies, and verifies that UE meets QA and carrier requirements. The work includes detailed analysis of 4G and 5G protocols, including field testing with mobile handsets on live networks. The position is primarily mobile and field-based, with approximately 80% of time spent in a vehicle or field and 20% in an office. Travel is required 25% of the time. JND describes its QA team as supporting product quality across mobile and network platforms, including LTE/5G field and protocol testing and software and device validation. The company states its vision is “We Want to See You Grow.”

Requirements

  • Strong understanding of end-to-end LTE and 5G network architecture.
  • Strong knowledge of 4G and 5G air interfaces, call-processing technologies, and network architecture, particularly the Radio Access Network (RAN).
  • Familiarity or expertise with UE log post-processing tools such as QXDM, QCAT, Wireshark, and ShannonDM, and 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 KPIs.
  • Previous LTE and 5G NR field-testing experience in live networks.
  • Good knowledge of and familiarity with 5G NSA and SA.
  • Previous test experience with SIM OTA activation.
  • Verbal and written communication, problem-solving, customer service, and interpersonal skills.
  • Ability to work independently, manage multiple tasks, and work in a fast-paced environment with minimal supervision.
  • Ability to work in a mobile environment, with 80% of work time in a vehicle or field and 20% in an office.
  • Ability to travel 25% of the time.

Responsibilities

  • Analyze customer requirements, translate them into system requirements, and document detailed designs for the development team.
  • Assist with product and feature performance analysis and evaluation of new product and software releases.
  • Analyze and troubleshoot issues reported from customer labs, field sites, and production networks.
  • Evaluate and trend key performance indicators, conduct trials, and provide optimization guidelines and recommendations to improve UE performance.
  • Create test plans that meet deadlines based on requests from the project lead.
  • Identify risk items based on issues discovered during testing.
  • Conduct LTE and 5G field protocol and SIM OTA activation testing, including detailed protocol analysis and validation of UE functionality on live networks.

Benefits

  • Medical insurance, including health, dental, and vision coverage.
  • H1B or Green Card sponsorship for qualified employees.
  • Hands-on experience at global industry leader Samsung.
  • Opportunities for career advancement.
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