Senior 5G IODT & Device Connectivity Engineer

Hiring for Senior 5G IODT & Device Connectivity Engineer in Plano, TXLocation: OnsiteExperience: 8–10+ YearsAbout the RoleWe are seeking a highly skilled Senior 5G IODT & Device Connectivity Engineer with strong experience in Qualcomm-based device ecosystems, wireless protocol analysis, and interoperability testing. In this role, you will be responsible for validating new 4G/5G features, performing detailed device and network log analysis, troubleshooting complex connectivity issues, and driving interoperability testing with chipset vendors and device partners.The ideal candidate has hands-on experience analyzing modem and protocol logs, understands wireless systems across multiple layers, and can effectively identify and communicate root causes of device and network performance issues.Key ResponsibilitiesExecute Interoperability Development Testing (IODT) and feature validation with chipset vendors and device partners.Develop and execute system-level and performance test cases for 4G LTE and 5G NR technologies.Perform detailed analysis of wireless protocol logs and device traces to identify root causes of failures and performance issues.Analyze connectivity, mobility, throughput, and call processing behavior across the wireless stack.Investigate device performance issues involving modem, network, operating system, and application interactions.Validate new product features and software releases in lab environments.Create test reports, technical documentation, and customer-facing presentations.Collaborate with RAN, RF, software, device, and network engineering teams to drive issue resolution.Support customer engagements and provide technical expertise during product deployments and feature rollouts.Participate in troubleshooting, optimization, and performance improvement initiatives.Required QualificationsBachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or a related technical field.8–10+ years of experience in wireless systems testing, device validation, interoperability testing, or network performance analysis.Strong understanding of LTE and 5G NR air interface technologies and call processing procedures.Deep knowledge of wireless protocol layers including:PHYMACRLCPDCPRRCExperience analyzing device, modem, and protocol logs to troubleshoot complex issues.Strong understanding of Radio Access Networks (RAN) and wireless network architecture.Experience with system testing, feature validation, troubleshooting, performance analysis, and test strategy development.Excellent analytical, communication, and problem-solving skills.Preferred QualificationsHands-on experience with Qualcomm-based devices and modem debugging.Experience with IODT/IOT testing and chipset partner engagements.Familiarity with ongoing 3GPP Release features and standards.Understanding of Core Network and RAN interactions.Knowledge of TCP/IP networking, packet analysis, and transport-layer troubleshooting.Experience with software development, scripting, or test automation.Understanding of hardware and software system architecture.Experience with eMTC, NB-IoT, S1, and X2 interfaces.Required Tools ExperienceCandidates should have hands-on experience with one or more of the following:QXDMQCATXCALWiresharkProtocol AnalyzersChannel EmulatorsSpectrum AnalyzersSignal Generators We are Connectors. We thrive on ‘quality over quantity’ and put in the work building strong relationships. We create connections, discover qualities, uncover skills, and place people with accuracy. We are your true partner!We are Collaborators. You’ll be working with a wholly owned subsidiary of Kelly and part of the Kelly Telecom division. It allows us to be as nimble and fiercely competitive as a startup while having the backing of a multibillion dollar publicly traded company which has been in business for 75 years. With direct access to hiring managers, services don’t stop at standard recruiting processes. We use our expertise to improve your application skills and provide ongoing career support.We give 24/7 Support. We are in this together. We provide around the clock availability, competitive employee benefits, and continuously check-in to make sure things are going smoothly. Check out our Glassdoor page!