Early Career - 5G/4G Physical Layer Firmware Verification and Integration Engineer (m/f/d)

Lex; München; On-site; EUR 80,000 - 120,000; Full time

Job summary

Apple is seeking a Firmware Verification and Integration Engineer to contribute to 4G/5G firmware development and verification. You will join a cross-functional team to design robust validation frameworks, build test cases, and drive high-quality firmware releases.

The role emphasizes automation, protocol testing, and performance optimization, with collaboration across validation, firmware, and systems teams. Strong English skills are required, and a degree in engineering or CS is expected.

Qualifications

• Knowledge of 4G/5G 3GPP physical layer and protocol stack.
• Experience with modem system test plans and feature release planning.
• Familiarity with 4G/5G signaling and physical layer test equipment and their automation interfaces.
• Strong analytical and debugging skills; able to collaborate with cross-functional teams.
• Proficiency with version control tools.

Responsibilities

• Design and develop validation frameworks and test cases for 4G/5G firmware.
• Implement and maintain test automation for UEs, test simulators, and carrier OTA drops.
• Verify protocols, signal processing and numerical algorithms, meeting time/latency/energy budgets.
• Debug and analyze issues with firmware and systems design teams to drive resolutions.
• Evaluate and implement advanced tools for building, formal verification and testing.

Skills

4G/5G Protocol Knowledge

Debugging & Analysis

Source Code Control

English Fluency

Automation Experience

Education

Bachelor’s, Master’s in Electrical/Communication Eng and/or Computer Science

Tools

Python

C/C++

Java

Job description

Summary

Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It’s the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you’ll do more than join something — you’ll add something.

Description

Join Apple's innovative team where you will contribute to the development and verification of cutting-edge wireless technologies. We are seeking a highly skilled Firmware Verification and Integration Engineer to play a critical role in ensuring the quality and performance of our 4G/5G firmware. You will be a key member of a cross-functional team, collaborating with component validation, integration, protocol test, firmware development, and system engineering teams.

Responsibilities

• Designing and developing robust validation frameworks and comprehensive test cases for 4G/5G firmware.
• Implementing and maintaining test automation for 4G/5G User Equipment (UEs), test simulators, and carrier OTA drops.
• Verifying critical protocol, signal processing, and numerical algorithms, ensuring performance within stringent time, latency, and energy budgets.
• Debugging and analyzing issues identified during testing, working closely with firmware development and systems design teams to drive resolution.
• Evaluating and implementing advanced tools for building, formal verification, and testing processes.

Minimum Qualifications

• Expertise in 4G/5G 3GPP physical layer and protocol stack procedures and configurations.
• Experience in the Modem system test plan and feature release planning for 4G/5G functional and performance scenarios.
• Good understanding of 4G/5G signaling and physical layer test equipment, including their automation interfaces.
• Great analytical and debugging skills, with the ability to diagnose complex issues and collaborate effectively with development/design teams for resolution.
• Some proficiency with source code control tools.
• Fluent English language skills are required for this position.

Preferred Qualifications

• Bachelor’s, Master’s, or higher degree in Electrical and/or Communication Engineering and/or Computer Science, or similar, paired with some industry work experience (either through internships or full-time work experience).
• The ability to quickly adapt and learn new architectures and frameworks is beneficial.
• Familiarity with AI/ML tools and techniques for test optimization, data analysis, or complex system verification.
• Experience with network emulators, silicon prototyping, emulation systems, and virtual platforms would be a plus
• Proficiency in automation tools and scripting languages (e.g., Python, C/C++, Java) is beneficial.
• Apple is an Equal Opportunity Employer that is committed to inclusion and diversity. We also take affirmative action to offer employment and advancement opportunities to all applicants, including minorities, women, protected veterans, and individuals with disabilities. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.

At Apple, we're not all the same. And that's our greatest strength. We draw on the differences in who we are, what we've experienced, and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. We will work with applicants to make any reasonable accommodations.

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

Learn about accessibility in Apple’s workplace

Role Number: 200684164-1731