About The Position

The Network QA Engineer performs quality assurance activities involving LTE and 5G field protocol and SIM over-the-air (OTA) activation testing. The role develops and executes test strategies and plans, and validates user equipment (UE) functionality on 4G/5G air interfaces and call-processing technologies to ensure devices meet QA and carrier requirements. Work includes detailed analysis of 4G and 5G protocols and field testing mobile handsets on live networks. The position is based in Plano, Texas; Bellevue, Washington; or Englewood Cliffs. The work environment is approximately 80% in a vehicle or field and 20% in an office, with travel required about 25% of the time. The role is full-time and hourly, and is described as entry level.

Requirements

  • Associate's degree in a technical-related field.
  • 0–3 years of experience in 3G, 4G, or 5G; LTE experience is preferred.
  • Strong understanding of end-to-end LTE and 5G network architecture.
  • Strong knowledge of 4G and 5G air-interface and call-processing technologies, particularly Radio Access Network architecture.
  • Familiarity with or expertise in 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 on a live network.
  • Good knowledge of 5G NSA and SA.
  • Previous test experience with SIM OTA activation.
  • Verbal and written communication, problem-solving, customer-service, and interpersonal skills.
  • Basic ability to work independently and manage multiple tasks at once.
  • Ability to work in a fast-paced environment with minimal supervision.
  • Ability to work in a mobile environment, spending approximately 80% of work time in a vehicle or field and 20% in an office.
  • Ability to travel 25% of the time.

Nice To Haves

  • Experience in 3G, 4G, or 5G, with LTE experience preferred.

Responsibilities

  • Analyze customer requirements, translate them into system requirements, and capture detailed designs for the development team.
  • Assist with 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 user-equipment performance, evaluate and trend key performance indicators, conduct trials, and provide optimization recommendations.
  • Develop test plans that meet deadlines based on requests from the project lead.
  • Identify risks based on issues discovered during testing.
  • Perform field testing and detailed analysis of 4G and 5G protocols on live networks.

Benefits

  • Medical insurance, including health, dental, and vision
  • 401(k)
  • Paid time off
  • H1B/Green Card sponsorship for qualified employees
  • Hands-on experience at global industry leader Samsung
  • Opportunities for career advancement
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service