Cellular System Performance Characterization Engineer

Apple Inc

Quick summary

Work type: On-site
Location: Sunnyvale, CA
Salary: $126,800–$220,900 / yr
Posted: 1 day ago

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Competitive pay

How this pay compares to similar roles

Similar $179k

This role $174k

$116k most similar roles pay here $232k

This role pays more than 53% of similar roles. Most pay $145,000–$213,868 — the shaded band above. At the midpoint, this role pays about $174k versus about $179k for comparable roles.

Based on 240 similar postings.

Employer

About Apple Inc

Apple Inc. is a multinational technology company known for designing and manufacturing consumer electronics, software, and online services, including the iPhone, Mac, iPad, and App Store. Industry: Consumer Electronics & Software

Apple Inc currently has 638 open roles on FindRole.

Listed pay typically runs $171,600–$272,100 across 505 roles with salary data.

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At a glance

TL;DR · Cellular System Performance Characterization Engineer

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As a Cellular System Performance Characterization Engineer at a leading modem/RF team, you will develop sophisticated embedded firmware to enhance product performance by integrating advanced hardware elements. Your daily tasks include characterizing and optimizing 5G-NR RF and system performance in the lab, collaborating with multi-functional teams to validate data flows from Baseband to RF, and conducting pre-silicon emulation-based bringup and validation of cellular systems. You will design scripting tools for chipset bringup, enhance measurement methodologies, and support high-quality firmware releases. Essential skills include proficiency in Python, C/C++, and Matlab, along with expertise in RF performance metrics and lab equipment such as VSA and VSG. This role involves cutting-edge 5G technology and requires a deep understanding of communication theory and signal processing for wireless systems.

Skills

Python C/C++ Matlab VSA VSG Spectrum_Analyzer Signal_Generator Power_Meter 3GPP Tableau Spotfire Keysight LitePoint Anritsu R&S AGC Beamforming Tx_Power_Control Radio_Impairments_Calibration_Algorithms 5G-NR LTE UMTS WiFi

What you'll do

Design in-house scripting tools for chipset bringup and characterization in lab environments.
Enhance measurement methodology to improve coverage, efficiency, and productivity in validation processes.
Conduct troubleshooting during pre-silicon emulation-based bringup of the cellular system.
Validate control flows and algorithms through simulation-based methods.
Support internal teams to maintain high-quality hardware platforms for daily firmware releases.

What we're looking for

Extensive hands-on lab experience with 5G-NR RFIC bringup and performance metrics.
Proficiency in Python, C/C++, Matlab for scripting, analysis, and automation.
Expertise in communication theory, signal processing, and calibration algorithms.
Ability to collaborate across multi-functional teams for data validation and presentation.
Experience with silicon prototyping, emulation systems, and virtual platforms.
Knowledge of 3GPP specifications and wireless physical layer test equipment.

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