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Apple Wireless System Bringup Debug Engineer United States, California, Sunnyvale 180819829
Today
In this role, you will play a key part in the integration, bring-up, and tuning of physical layer systems for next-generation wireless SoCs—from pre-silicon stage to product launch in Apple devices.
As a hands-on technical contributor, you will be at the forefront of bring-up and system integration of advanced PHY and radio systems for state-of-the-art wireless SoCs. Your responsibilities will span over:- Transmit and receive chain bring-up, tuning, and performance optimization for both pre-silicon and post-silicon stages.- Develop and integrate PHY features and calibration algorithms (e.g., TPC, AGC, TSSI, RSSI, interference mitigation etc).- Development of chip control drivers and reference implementations in bring-up environments.- Close collaboration with PHY system Algorithm Engineers as well as Radio, RFIC, MAC and digital circuit designers.- Conduct pre-silicon emulation-based bringup, integration and validation of the PHY system.- Supporting the transition from lab bring-up to robust firmware integration and product readiness.- Characterize performance, analyze data, root-cause system-level issues, and ensure high product quality.
- BS and 10+ years of relevant experience.
- Experience, knowledge and skills on wireless system design, integration, bring up and debug of wireless PHY and RF systems on SoC platforms.
- Strong understanding of OFDM and MIMO-based wireless systems across both baseband and RF domains, with a solid foundation in related communication theory and signal processing.
- Strong understanding of wireless transceiver architectures, RF front-ends and related system-level tradeoffs.
- Knowledge of analog/RF impairments (e.g., DCOC, IQ imbalance, IP2, LOFT, DPD) and their calibration flows.
- Proficiency in performance metrics such as EVM, sensitivity and impairment mitigation strategies.
- Experience working across multi-radio coexistence environments.
- Proficiency using and understanding of the theory of operation of lab equipment (spectrum analyzer, signal generator, power meter).
- Experience with at least one of of the following: Matlab, Python, Shell scripting and/or C/C++.
- Experience with automation infrastructure development (traceability, repeatability) and related tools (GIT, CI, database, reporting tools).
- Knowledge of existing wireless communication protocols: 802.11a/b/g/n/ac/ax/be, LTE/WCDMA/GSM, or 802.11ad/ay.
- Advanced degrees - MS or PhD in Electrical Engineer or Computer Engineering.
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.
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