Telecommunications Engineer

Job Title:

Location:

Industry:

Job Overview:

4G/5G Quality Assurance & Protocol Test Engineer Trainer

Key Responsibilities:

• Plan, execute, and document LTE and 5G NR field protocol tests, including SIM OTA activation and call flow validation.
• Analyze UE logs and KPIs using tools such as

  QXDM, QCAT, Wireshark, and ShannonDM

  , identifying issues and recommending optimizations.
• Debug and validate IMS features including

  VoLTE, VoWiFi, ViLTE, conferencing, SMS, MMS, and RCS

  .
• Conduct field testing in live 4G/5G NSA and SA network environments.
• Perform root cause analysis and troubleshoot reported issues from customer labs, field sites, and production networks.
• Review and assess UE performance trends, suggesting improvements to meet carrier requirements.
• Work closely with cross-functional teams to define system requirements, prepare detailed designs, and evaluate new product/software releases.
• Manage test plans, meet project deadlines, and assess risk items based on testing outcomes.
• Travel up to 25% for on-site testing and customer engagements.

Required Skills & Experience:

• Strong knowledge of

  4G LTE and 5G NR air interface, call processing technologies, and RAN architecture

  .
• Experience with

  UE log post-processing tools

  (QXDM, QCAT, Wireshark, ShannonDM).
• Familiarity with

  OTA signaling messages

  and RAN KPIs.
• Proficiency in

  analyzing, debugging, and validating IMS-related services

  .
• Solid understanding of

  5G NSA and SA network modes

  .
• Experience in

  post-processing UE logs

  and KPI analysis.
• Hands-on

  LTE/5G field testing

  in live network environments.
• Strong problem-solving, communication, and documentation skills.
• Ability to work independently in both field and office environments.