Embedded Software Engineer - Cellular Layer1 Control , Wireless technology and Ecosystems

Apple Inc.; München; On-site; EUR 90,000 - 120,000; Full time

Job summary

Apple Inc. is seeking an Embedded Software Engineer to design and verify Cellular Layer 1 control software and firmware for a 5G/6G mobile wireless system. You will develop key scheduling and control algorithms with real-time constraints, optimizing cycle time, latency, and energy efficiency.

Join the Wireless Technologies and Ecosystems team in Munich to collaborate with global teams and hardware interfaces, contributing to products used by millions of users worldwide.

Qualifications

• Good understanding of RF antenna characteristics and how they feed transmitter/receiver decisions.
• Experience with uplink power control, power headroom, max power limits and regulatory power backoff.
• Strong background in algorithm design to meet real-time embedded requirements.

Responsibilities

• Design, implement and verify Cellular Layer 1 control firmware for 5G/6G systems.
• Develop scheduling/control algorithms optimized for cycle, latency and energy efficiency.
• Collaborate with global teams and other firmware/software designers to define interfaces with RF, physical layer, MAC/RRC, and other subsystems.

Skills

RF fundamentals

Real-time scheduling

Embedded algorithms

Interface design

Job description

Embedded Software Engineer - Cellular Layer1 Control , Wireless technology and Ecosystems

Munich, Bavaria-Bayern, Germany Software and Services

Join the "Wireless Technologies and Ecosystems (WTE)” organization and be part of an outstanding team of engineers, working with multi-functional teams to drive innovation and develop products used by millions worldwide.At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish.Dynamic, amazing people, inspiring and innovative technologies are the norm here. Our team is looking for a highly qualified & self-motivated engineer with a passion for cellular technologies and embedded SW.

Description

Apple’s Cellular Software team is seeking talented, highly motivated Engineers to work across layers on groundbreaking cellular technologies. The position involves identifying, design and/or developing core cellular technologies that solves everyday problems for customers using iPhone, iPad, Watch and other wireless product lines. We are passionate about keeping our users connected 24/7 wherever they go. This team takes pride in not just coming up with proven software designs but also in disrupting traditional models of the cellular ecosystem. We do whatever it takes to bring user experience to the next level.Are you equally passionate about cellular technologies and have the dream to work on groundbreaking cellular technologies? Then we are looking for you. As part of this team you will impact iPhone user experience worldwide.

Responsibilities

• Design, implement and verify Cellular Layer 1 control software/firmware for an 5G/6G mobile wireless communications system.
• Develop key scheduling and control algorithms, while meeting strict real time deadlines, and optimizing code for cycle, latency, and energy efficiency.
• Collaborate with global teams and colleagues to optimize solutions.
• Collaborate with other firmware and software designers to define interfaces with RF, physical layer, MAC/RRC, and other required subsystems.

Minimum Qualifications

• Good understanding of RF antenna characteristics (antenna efficiency, isolation, gain) and how they feed into transmit and receive antenna selection decisions.
• Working knowledge of uplink power control, including power headroom, maximum power limits and regulatory power backoff, and how these constraints affect link performance.
• Strong background in algorithm design and development with the ability to turn system-level requirements into efficient and deterministic solutions suitable for real-time embedded environments.

Preferred Qualifications

• Knowledge of 3GPP 5G/4G Layer 1 Control such as (RACH, Scheduling request, SRS, CSI, DRX)
• Excellent communication and documentation skills

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.

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