Cellular 4G/5G System Performance Engineer

Apple Inc

Confirmed live yesterday Trusted

Quick summary

Work type
On-site
Location
San Francisco, CA
Salary
$184,700–$324,800 / yr
Posted
100 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $191k
This role $255k
$129k most similar roles pay here $346k

This role pays more than 97% of similar roles. Most pay $159,750–$222,000 — the shaded band above. At the midpoint, this role pays about $255k versus about $191k 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 1984 open roles on FindRole.

Listed pay typically runs $175,000–$277,600 across 1590 roles with salary data.

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At a glance

TL;DR · Cellular 4G/5G System Performance Engineer

As a Cellular 4G/5G System Performance Engineer, you will join a silicon design group focused on productizing state-of-the-art cellular SoCs and developing embedded firmware. You will collaborate with system engineers and firmware developers to understand feature designs while creating performance verification lab use cases to identify potential user equipment issues. Your daily responsibilities include troubleshooting performance problems, enhancing overall device performance, and developing test scripts over lab network emulators to reproduce specific issues or validate new features. The role requires advanced knowledge of 4G/5G physical layers, protocol stacks, and procedures. You will utilize Python, C, C++, or Java for scripting and automation while utilizing Keysight, Anritsu, and R&S test equipment. This position addresses the technical challenge of integrating hardware elements into a single design to improve wireless systems performance.

What you'll do

  • Design performance verification lab use cases and test cases to identify potential UE performance issues.
  • Develop test scripts over lab network emulators to implement performance tests or reproduce specific issues.
  • Troubleshoot performance-related issues in collaboration with system engineers, firmware developers, and integration teams.
  • Guide test executors during the validation of new and existing cellular features.
  • Analyze and debug complex 4G/5G physical layer and protocol stack performance problems.
  • Ensure overall device performance meets specified requirements through rigorous testing and evaluation.

What we're looking for

  • Bachelor of Science degree required, with a Ph.D. in wireless communication or electrical engineering preferred.
  • Minimum of 10 years of relevant industry experience.
  • At least 5 years of experience in 4G/5G development, system engineering, or device performance verification.
  • Advanced knowledge of 4G/5G physical layer, protocol stack, and procedures.
  • Experience investigating and troubleshooting cellular device performance issues.
  • Proficiency in scripting or programming languages such as Python, C/C++, and Java.
  • Knowledge of 4G/5G signaling and physical layer test equipment from Keysight, Anritsu, or R&S with automation interfaces.
  • Understanding of software engineering principles and core computer science fundamentals.

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