LTE/5G Mobile Device Field Test Engineer - Cell Phone Field Testing (261001-10)

Company: jnd-inc
Location: Plano, United States
Type: Full-time
Posted: Oct 22, 2026
Views: 0

✨ AI Summary

JND Inc, a QA solutions provider for the mobile industry, is hiring an LTE/5G Mobile Device Field Test Engineer to validate UE functionality on 4G/5G air interfaces. The role requires strong knowledge of RAN architecture, IMS features, and log analysis tools like QXDM and Wireshark, with 80% of the time spent in the field. Candidates must have previous LTE and 5G NR field test experience in live networks and be comfortable with 25% travel. The position offers a pay rate of $33-$34 per hour, medical benefits, and H1B/Green Card sponsorship in Plano, TX.

[Position Overview]

  • Job Title: Network QA Engineer
  • Job Type: Full-Time, Hourly
  • Pay Rate: $33 – $34 / hour

[Location]

  • Plano, TX

[Benefits & Perks]

  • Medical Insurance (Health, Dental & Vision)
  • H1B / Green Card Sponsorship for qualified employees
  • Hands-on experience at global industry leader Samsung
  • Opportunities for career advancement

[Summary]

  • Detail-oriented Quality Assurance (QA) Engineer to be involved in all Quality Assurance activities, including LTE and 5G field protocol and SIM OTA activation testing
  • The main function of a QA mobile engineer is to develop and execute test strategies and plans, and to validate UE functionality on 4G/5G air interface and call processing technology
  • Ensure UE (User Equipment) meets QA and carrier requirements
  • The typical QA mobile test engineer will be responsible for performing detailed analysis of 4G and 5G protocols, including field testing with mobile handset devices in live networks

[Duties and Responsibilities]

  • Able to work in a mobile work environment (80% of time working in vehicle/field, 20% in 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 evaluation of new product and SW 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
  • Ability to work in a fast-paced environment with minimal supervision
  • Set up test plans to meet deadlines based on requests from the project lead
  • Able to determine risk items based on issues found during testing
  • Able to travel 25% of the time

[Skills & Qualifications]

  • 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
  • Able to analyze and debug IMS-related features, including but not limited to 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

[About JND]

Our team of highly experienced QA engineers ensures product quality across mobile and network platforms, from LTE/5G field and protocol testing to software and device validation. We also have opportunities in software development, business analysis, finance, operations, HR, and many more!

Our vision is 'We Want to See You Grow' to become the industry leader for both employee and company.
For more information about JND, please visit www.jndsolutions.com

#Samsung #NetworkQA #QAEngineer #5G #LTE #FieldTesting #RAN #IMS #VoLTE #SIMOTA #QXDM #MobileTesting #Plano #Texas #JND

About the Company

Name: jnd-inc
Location: Bellevue, WA

JND offers a wide range of mobile application development, software development, power user trial, test outsourcing, research and analysis, and technology consulting. If you are looking for challenges, look no further. We are at the forefront of technology on a market where the targets are always moving. Keeping up with new requirements is a challenge, and there is never a dull moment. To further expand and strengthen our organization we are seeking highly motivated talents.