RF PLL Silicon Validation Engineer (m/f/d)

Job Description:

Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion, dedication, and a no-excuse mindset to your job and there's no telling what you could accomplish. Smart people and inspiring, innovative technologies are the norm here. Our team is responsible for validating the RF performance of top-notch, monolithic cellular transceivers. We are looking for a motivated RF engineer with strong programming skills to join our PLL validation efforts. This is a hands-on role where you will verify that our new silicon designs meet specifications, utilizing modern software tools to maximize efficiency. Join us and leverage your passion for RF excellence to enable the world's most innovative mobile devices.
As an RF PLL Silicon Validation Engineer, you will own the bring-up and characterization of frequency generation subsystems in market-leading transceivers. Your work style is collaborative and proactive, driving technical solutions across interdisciplinary teams.
Proficiency in Python programming. Experience using modern AI-coding assistants to generate scripts, debug logic, and optimize code is a major plus. Hands-on experience with standard lab equipment (Spectrum Analyzers, Oscilloscopes, Power Supplies) and board-level troubleshooting. Ability to process and analyze data using libraries like NumPy, Pandas, or Matplotlib.
Solid foundation in RF and mixed-signal theory, particularly regarding PLLs, LNAs, Mixers, and oscillators. Familiarity with RF measurement concepts such as Phase Noise, Harmonics, IP3, and Noise Figure. Understanding of cellular standards (5G NR, LTE) Master's or PhD degree in Electrical Engineering or equivalent with a focus on RF/Analog circuits or Signal Processing. Apple is an Equal Opportunity Employer that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other legally protected characteristics. If you'd like more information about your EEO rights as an applicant. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation