> Markdown version of [/jobs/ext/4484672-network-qa-engineer-cell-phone-network-field-testing-261001-10](https://www.wearedevelopers.com/jobs/ext/4484672-network-qa-engineer-cell-phone-network-field-testing-261001-10). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network QA Engineer - Cell Phone Network Field Testing (261001-10) - **Company:** JND Inc. - **Location:** Plano, TX, United States - **Salary:** $68,640.0 - $70,720.0 - **Contract:** Permanent contract - **Skills:** 4G (Telecommunication), LTE (Telecommunication), Software Debugging, Network Architecture, Software Requirements Analysis, Wireshark, 5G NR - **Published:** October 21, 2026 - **Apply:** https://www.wayup.com/i-j-Network-QA-Engineer-Cell-Phone-Network-Field-Testing-261001-10-JND-798079735698407/ ## About the Role + 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 ## Description + 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, + 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