Modem and RF System Engineer

Santa Clara Valley (Cupertino), California, United States


Role Number:200452605
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 and dedication to your job and there's no telling what you could accomplish. Dynamic, sensible people and inspiring, innovative technologies are the norm here. Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? Are you ready to join a team transforming hardware technology? We are searching for a dedicated engineer with 10+/- years’ experience to join our exciting team of innovators. In this role, you will be a key member of the system engineering team working on modem systems features and requirements.


- Collaborate across RF and modem teams (HW/FW) on AGC development and RF modeling activities. - AGC algorithm development, modeling and bring-up. - Develop RF models for link-level simulations, analyze/characterize the results and provide mitigation and optimization guidelines.

Minimum Qualifications

Key Qualifications

  • Deep-knowledge of communication system theory and signal processing.
  • Knowledge of RF systems, RF impairment modeling and mitigation techniques (phase noise, IQ imbalance, DC offset, etc), digital RF-front design.
  • Knowledge of cellular communication standards: 5GNR FR1/FR2, 4G LTE, 3G (HSPA), 2G GSM.
  • Experience with automatic gain control (AGC) for LTE/NR is a plus.
  • Experience with analog and digital beam forming techniques and MIMO systems.
  • Fluent in Matlab, and/or C/C++/Python for algorithm development, modeling (floating-point and fixed-point) and link-level simulation.
  • Strong analytical skills (linear algebra, random processes, detection and estimation, etc.).
  • Experience in chip bring-up including the use of lab equipment such as protocol test equipment, spectrum. analyzers, signal generators, power meters, etc. a plus.
  • Hands-on experience in lab testing & characterization is a plus.
  • Strong teamwork and communication skills.

Preferred Qualifications

Education & Experience

BS with 10+years of relevant experience.

Additional Requirements

Pay & Benefits

  • 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. Learn more about your EEO rights as an applicant.