Job Summary The Principal Engineer (RF) will serve as a senior technical authority responsible for radio product and test engineering, and continuous improvement across the full product lifecycle—from New Product Introduction (NPI) to high-volume manufacturing. This role provides expert-level RF technical support, leads complex failure analysis, and defines advanced RF test methodologies to ensure robust product performance, test yield, and production efficiency. The position requires close collaboration with R&D, NPI/TPI teams, manufacturing sites and repair centers. Job Responsibilities Act as senior owner of radio product (LTE/NR); provide technical expertise across product and test engineering to global production sites (mainly Mexico, India, China), repair centers, and NPI/TPI programs. Continuously improve test time and yield. Optimize test solutions (HW & SW) for production, ensuring correctness, accuracy, and cost efficiency. Lead high-complexity failure analysis for manufacturing and customer returns to identify root causes and drive corrective actions. Work closely with R&D. Provide strong technical leadership and mentorship to RF engineers, promoting a culture of excellence, innovation, and continuous capability growth. Support local Jabil site (Guadalajara) to elevate RF technical capabilities by close collaboration with site teams. Potential future involvement in running customer NPIs at Jabil factories. Potentially support customers in the future on product technical maintenance. Collaborate with quality and change management for component verification (changes in BOM, spot buys, etc). May perform other duties and responsibilities as assigned. Job Qualifications Knowledge Requirements Deep understanding of RF design, wireless communication principles, uplink/downlink chains. Strong knowledge of 4G/5G telecom systems, including RF KPI significance and measurement methodologies. Expert-level proficiency with RF measurement instruments: Spectrum/Signal Analyzers, Vector Network Analyzers, Signal Generators, Power Meters. Familiarity with test automation and analysis tools. Experience with Python, MATLAB, LabVIEW, VEE, C# is a plus. Strong analytical, troubleshooting, and problem-solving skills. Demonstrated innovation mindset and ability to drive technical improvements. Education & Experience Requirements Bachelor's or Master’s degree in Telecommunications, Electronics, Electrical, Microwave Engineering, or related discipline. Minimum 8 years of progressive experience in RF engineering, ideally covering RF design, test development. Hands-on experience with RF product design or testing in areas such as Transceivers, Power Amplifiers, Antennas, Filters. Experience supporting NPI/TPI programs and working in high-volume manufacturing environments. Global collaboration experience is a plus. Excellent communication, interpersonal, and presentation skills in English and Spanish, with leadership presence in cross-functional environments. Working Conditions Regular business hours. Some additional hours may be required. Travel requirements: Domestic and/or Global, up to 30%. Climate controlled office environment during normal business hours. #J-18808-Ljbffr