APPLE INC has the following available in Cupertino, California and various unanticipated locations throughout the USA. Design and develop software and hardware for use in production RF (Radio Frequency) test environments. Write C++ and/or Python software to control RF test equipment. Characterize hardware performance using RF test equipment such as VNA. Analyze KPIs with Python/Matlab to identify trends to improve calibration algorithms. Write code to control tests to identify the root cause of any system anomaly. Compare and correlate data from multiple RF test equipment. Develop RF calibration algorithms for internally designed test equipment. Present to the project leadership results from characterization and design review of calibration algorithms. Travel to manufacturing sites to support manufacturing and calibration of internally designed test equipment. International travel required 10%. 40 hours/week. At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $151,091 - $214,500/yr and your base pay will depend on your skills, qualifications, experience, and location.