> Markdown version of [/jobs/ext/4278063-iot-lab-test-engineer](https://www.wearedevelopers.com/jobs/ext/4278063-iot-lab-test-engineer). 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). --- # IOT LAB Test Engineer - **Company:** Eastridge Workforce Solutions - **Location:** West Lake Hills, TX, United States - **Salary:** $145,600.0 - **Contract:** Temporary contract - **Skills:** 4G (Telecommunication), LTE (Telecommunication), JIRA, Automation of Tests, Bug Tracking Systems, Communications Protocols, Computer Engineering, Modems, Software Debugging, Interoperability, Log Analysis, Network Architecture, Regression Testing, Wireless Networks, Scripting, Performance Testing, 5G NR, Test Scripts - **Published:** October 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=05e9f6739c7bc795 ## About the Role Bachelor's or Master's degree in Electrical Engineering, Telecommunications, Computer Engineering, or a related field. * 2-7 years of experience in wireless communications, modem testing, or protocol validation. * Hands-on experience with 5G/4G LTE interoperability testing using Ericsson, Nokia, or Samsung network infrastructure. * Strong understanding of LTE/5G NR protocol layers, including L1, MAC, RRC, and PDCP. * In-depth knowledge of 5G NR NSA/SA, LTE, and LTE-Advanced technologies. * 1-3 years of hands-on experience using Keysight, Anritsu, or Rohde & Schwarz (R&S) test equipment. * Experience with mobile device protocol testing, RF validation, and data performance testing. * Experience with UE and network log analysis, troubleshooting, and defect identification. * Understanding of 3GPP RAN4/RAN5 test specifications, including 5G FR1/FR2 requirements. * Familiarity with test automation, scripting, and defect tracking tools such as JIRA. * Strong analytical, troubleshooting, and communication skills. ## Description Eastridge Workforce Solutions is seeking an experienced 5G/4G Modem Protocol Test Engineer to join our client's engineering team. This position will focus on supporting 5G/4G lab interoperability testing (IOT), modem validation, RF testing, protocol debugging, and test automation. The ideal candidate will have hands-on experience with 5G NR/LTE technologies, wireless network infrastructure, modem protocol testing, and industry-standard testing equipment such as Keysight, Anritsu, or Rohde & Schwarz. Key Responsibilities * Perform 5G/4G lab interoperability testing (IOT) with network infrastructure vendors, including Ericsson, Nokia, and Samsung. * Support validation of new 5G/4G features using network emulators and infrastructure vendor software releases. * Develop and execute test plans, test scripts, and automated testing procedures. * Conduct 5G NR FR1/FR2 RF testing, including NSA and SA configurations. * Reproduce and troubleshoot customer-reported and field issues in a lab environment. * Perform modem power consumption measurements, benchmarking, and performance analysis. * Analyze UE and network logs to identify protocol issues and troubleshoot failures. * Support lab, field, and certification activities, including regression testing, bug tracking, and automation. * Collaborate with engineering teams to debug wireless protocol issues across L1, MAC, RRC, and PDCP layers.