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

Apple • Munich, Bavaria, Germany

onsite
Posted Sep 16, 2026

**Role & seniority: ** Firmware Verification and Integration Engineer (highly skilled; seniority not explicitly stated)

**Location & work type: ** Not specified (Apple describes cross-functional team; work type/location not provided)

**Stack / tools: **

  • 4G/5G: 3GPP physical layer & protocol stack procedures/configurations; 4G/5G signaling

  • Test & automation: 4G/5G signaling/PHY test equipment with automation interfaces

  • Source control: some proficiency (tool not specified)

  • Scripting/coding (preferred/beneficial): Python, C/C++, Java

  • Preferred (domain): network emulators, silicon prototyping, emulation systems, virtual platforms

  • Preferred (AI/ML): AI/ML tools/techniques for test optimization/data analysis

**Top 3 responsibilities: **

  • Verify and ensure quality/performance of 4G/5G firmware in a cross-functional environment

  • Build/execute modem system test plans and support feature release planning for functional/performance scenarios

  • Integrate firmware with components and collaborate on debugging/resolution of complex issues (test/protocol/PHY related)

**Must-have skills: **

  • Deep expertise in 4G/5G (3GPP) physical layer + protocol stack

  • Proficiency with modem system test planning and feature release planning for 4G/5G scenarios

  • Strong understanding of signaling/PHY test equipment and automation interfaces

  • Advanced analytical/debugging sk

Full Description

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.

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.

4G5G3GPPPhysical LayerProtocol StackFirmware VerificationModem System TestSignalingDebuggingAutomationPythonC++JavaNetwork EmulatorsSilicon Prototypingmulti-location

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