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RF Modeling Systems Engineer

Apple· Hardware
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Hybrid (San Francisco Bay Area)$184.7k - $324.8kfull-timePosted 3mo ago

About the role

Role focused on RF modeling, design, and simulation for 4G/5G/6G modem wireless systems. Collaborates with RF systems and analog designers, develops AI/ML modem solutions, and owns end-to-end RF impairment characterization and mitigation.

Responsibilities

  • Model, design, and simulate state-of-the-art RF for 4G/5G/6G modem wireless communication systems.
  • Implement system models and perform detailed performance investigations to allow performance sign-off.
  • Collaborate with RF systems and analog circuit designers to capture designs and develop models.
  • Develop AI/ML modem solutions and mitigation techniques.
  • Develop RF models for 5G/6G cellular and 5G NTN
  • Perform end-to-end characterization of the RF impairments of the modem, develop analytical models and support RF/modem spec definition
  • Develop RF mitigation algorithms for various impairments

Qualifications

  • BS and a minimum of 10 years relevant industry experience
  • Deep knowledge of signal processing and communication systems
  • Strong analytical skills (linear algebra, random processes, detection and estimation, etc.)
  • Experience with Matlab, C/C++, Python for algorithm development
  • Experience with AI/ML applications in wireless communication is strongly desirable
  • Strong background in AI/ML and familiarity with the tools such as PyTorch and TensorFlow
  • Familiarity with RF impairments (phase noise, DC offset, IQ imbalance, inter-modulation, etc), their impact on modem performance, and RF mitigation techniques
  • Knowledge of RF/analog components (LNA, filters, mixers, ADC/DAC), digital front-end processing, automatic gain control
  • Knowledge of cellular communication standards: 5GNR, 4G LTE
  • Knowledge of RF systems and design flows with hands-on experience in lab testing & characterization

Skills

Required:RF modeling and simulationEnd-to-end RF impairment characterizationProgrammingRF systems knowledge
Nice to have:AI/ML in wireless

Benefits

  • Comprehensive medical and dental coverage
  • Retirement benefits
  • Discounted products and free services
  • Educational expense reimbursement including tuition
  • Discretionary bonuses or commission payments (possible)
  • Relocation assistance (possible)
  • Employee stock programs including restricted stock units and Employee Stock Purchase Plan
Last updated Jul 17, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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