Cellular 4G/5G System Performance Engineer

Apple Inc

Quick summary

Work type
On-site
Location
San Diego, CA
Salary
$171,600–$302,200 / yr
Posted
1 day ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $167k
This role $237k
$105k most similar roles pay here $323k

This role pays more than 92% of similar roles. Most pay $137,813–$196,912 — the shaded band above. At the midpoint, this role pays about $237k versus about $167k 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 324 open roles on FindRole.

Listed pay typically runs $171,600–$272,100 across 230 roles with salary data.

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View all roles at Apple Inc

At a glance

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

As a Cellular 4G/5G System Performance Engineer at Apple, you will join a world-class modem team responsible for designing state-of-the-art cellular SoCs. Your role involves collaborating with system engineers and firmware developers to understand complex designs and develop performance verification lab use cases and test scripts to ensure UE performance meets expectations. You will troubleshoot issues, enhance overall UE performance, and guide validation efforts for new features. This position requires advanced knowledge of 4G/5G physical layers, protocol stacks, and proficiency in Python, C/C++, and Java. Familiarity with network emulators like Keysight, Anritsu, and R&S is essential, as is the ability to work effectively in a dynamic cross-functional environment where you will push industry boundaries and improve wireless systems technologies for global customers.

What you'll do

  • Design performance verification lab use cases to identify potential UE performance issues.
  • Develop test scripts for lab network emulator to implement defined performance test cases.
  • Troubleshoot performance-related issues with firmware developers and system engineers.
  • Enhance overall UE performance by collaborating across multiple engineering disciplines.
  • Guide validation of new and existing features through effective testing methodologies.

What we're looking for

  • Advanced knowledge of 4G/5G physical layer, protocol stack, and procedures.
  • 5+ years of experience in 4G/5G development/system engineering/device performance verification.
  • Experience investigating and troubleshooting cellular device performance issues.
  • Strong analysis and debugging skills to resolve performance issues collaboratively.
  • Proficient in scripting or programming languages such as Python, C/C++.
  • Knowledge of multiple 4G/5G signaling and physical layer test equipment and automation interfaces.

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