Cellular System Performance Engineer

Apple is a leading technology company known for innovative products like the iPhone, iPad, and Mac.
$135,400 - $250,600
Embedded
Mid-Level Software Engineer
In-Person
5,000+ Employees
3+ years of experience
AI · Consumer · Enterprise SaaS

Description For Cellular System Performance Engineer

Do you have a passion for invention and self-challenge? This role is at the center of a silicon design group responsible for crafting and productizing innovative cellular SoCs! As a cellular system performance engineer, you will be responsible for the bringup and validation of end-to-end cellular systems.

Join us, and help us innovate new wireless systems technologies that continually outperform the previous iterations! By collaborating with other product development groups across Apple, you'll push the industry boundaries and improve the product experience for our customers across the world.

Key responsibilities include:

  • Working on the bringup of the cellular end-to-end system including characterization and optimization of RF and system performance in the lab with an emphasis on 5G-NR.
  • Collaborating with multi-functional teams to validate the data and control flows from the Baseband to RF in terms of the various critical metrics.
  • Measuring, prioritizing, and analyzing important metrics data in the lab, and presenting them with analytics tools.
  • Conducting pre-silicon emulation-based bringup and validation of the cellular system, and simulation-based validation of the control flows and algorithms.
  • Supporting and maintaining high-quality daily Firmware releases.

This role offers an exciting opportunity to work on cutting-edge cellular technologies and contribute to Apple's innovative products. You'll be part of a team that pushes the boundaries of wireless systems, directly impacting the performance and capabilities of Apple devices used by millions of customers worldwide.

Last updated 8 days ago

Responsibilities For Cellular System Performance Engineer

  • Bringup and validation of end-to-end cellular systems
  • Characterization and optimization of RF and system performance in the lab with emphasis on 5G-NR
  • Collaborate with multi-functional teams to validate data and control flows from Baseband to RF
  • Measure, prioritize, and analyze important metrics data in the lab
  • Conduct pre-silicon emulation-based bringup and validation of the cellular system
  • Support and maintain high-quality daily Firmware releases

Requirements For Cellular System Performance Engineer

Python
Linux
  • BS with a minimum of 3 years of relevant experience
  • Experience in bring up or performance characterization of wireless systems focusing on the PHY and RF layers
  • Solid understanding of communication theory and signal processing, AGC, beamforming, Tx power control, mitigation of radio impairments, and calibration algorithms
  • Strong technical background in wireless system physical layer and protocols
  • Knowledge of RF performance metrics such as EVM, spectral mask, frequency error, power accuracy, etc.
  • Working understanding of multiple 4G/5G signaling, and wireless physical layer test equipment (Keysight/LitePoint/Anritsu/R&S) along with their automation interfaces
  • Hands-on experience in bring up of RFIC in the lab, ability to efficiently use lab equipment (such as VSA, VSG, spectrum analyzer, signal generator, power meter, etc)
  • Good experience with Python, C/C++, Matlab, and efficient analysis and automation scripting

Benefits For Cellular System Performance Engineer

Medical Insurance
Dental Insurance
401k
Equity
  • Comprehensive medical and dental coverage
  • Retirement benefits
  • Discounted products and free services
  • Education reimbursement for career advancement
  • Employee Stock Purchase Plan
  • Discretionary restricted stock unit awards
  • Potential for discretionary bonuses or commission payments
  • Relocation assistance (if eligible)

Interested in this job?

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