Cellular Performance Engineer

Apple Inc

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Quick summary

Work type
On-site
Location
Sunnyvale, CA
Salary
$150,400–$277,600 / yr
Posted
4 days ago
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Confirmed live today

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Competitive pay

How this pay compares to similar roles

Similar $204k
This role $214k
$135k $293k
below market most similar roles pay here above market

This role pays more than 62% of similar roles. Most pay $171,962–$236,662 — the blue band above. At the midpoint, this role pays about $214k versus about $204k for comparable roles.

Based on 240 similar postings.

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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 3497 open roles on FindRole.

Listed pay typically runs $174,149–$277,600 across 2702 roles with salary data.

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At a glance

TL;DR · Cellular Performance Engineer

JOB TITLE: Cellular Performance Engineer The Cellular Performance Engineer joins the Wireless Technologies group to design, develop, and patent next-generation wireless technologies. This role involves building cellular performance labs and leading the characterization of wireless software performance across various products. Key responsibilities include developing performance-focused test plans for data, voice, and application performance, as well as debugging and troubleshooting logs across the L1/L2/L3 baseband protocol stack. The engineer will analyze TCP/IP and application layers to ensure end-to-end quality. Required skills include deep knowledge of 3GPP standards for 5G NR and LTE, experience with RF frontends, and proficiency in Python scripting for automating test suites. The role solves technical challenges in cellular and satellite connectivity, ensuring seamless user experience through data-driven software optimizations from prototyping to commercialization.

What you'll do

  • Characterize cellular system performance in laboratory and real-world environments.
  • Develop comprehensive performance-focused test plans to evaluate data, application, and voice performance.
  • Debug and troubleshoot issues across all layers of the baseband protocol stack (L1/L2/L3).
  • Analyze TCP/IP and application layers to assess their impact on end-to-end product performance.
  • Automate performance test suites and develop tools to design key performance indicators using Python.
  • Drive open issues across sub-components to resolution while improving overall product quality.
  • Summarize performance findings and next steps for cross-functional forums and executive reviews.

What we're looking for

  • Experience testing and benchmarking data, voice, and application performance of cellular systems in a laboratory environment.
  • Deep understanding of cellular 3GPP standards relating to 5G NR and LTE.
  • Demonstrated experience with higher-layer protocols such as TCP/IP.
  • Ability to debug and analyze issues across all (L1/L2/L3/Application) layers of the protocol stack and RF frontends.
  • Experience proposing software optimizations and improvements based on performance data to enhance product quality.
  • Experience working with cellular call boxes and channel emulators in a laboratory setting.
  • Strong knowledge of Python scripting to automate performance test suites and develop KPI tools.
  • Strong collaboration, communication, and problem-solving skills across multidisciplinary teams (preferred).

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