Cellular RF Systems Engineer – Phase-Locked Loop (PLL) (m/f/d)

Confirmed live in the last 24 hours

Apple

Munich

On-site

Posted April 1, 2026

Job Description

Summary

Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion, dedication, and a no-excuse mindset to your job and there's no telling what you could accomplish. Smart people and inspiring, innovative technologies are the norm here. Apple's RF Systems Engineering team is seeking a passionate, self-driven expert with a proven track record in phase-locked loop knowledge and control. Our world-class team shapes the mobile market with forward-thinking concepts while maintaining full accountability for execution, timelines, and quality. Join us to deliver leading-edge phase-locked loops (PLLs) for Apple's wireless products and help create a uniquely exceptional customer experience!

Description

In this role, you will be an integral part of our cellular RF Systems Engineering team. You will collaborate closely with transmitter and receiver architecture teams, RF design teams, digital design and verification teams, and firmware teams to drive PLL innovations — with a relentless focus on best-in-class performance under real-world conditions and clear differentiation from competing solutions.

Minimum Qualifications

Experience defining control sequences for digital and analog blocks within transceiver architectures. Strong analytical and problem-solving skills. Deep understanding of RF transceiver architecture, with specific expertise in frequency synthesis (PLLs, DCOs) and key metrics such as phase noise and lock time. Extensive hands-on experience specifying and simulating phase-locked loop (PLL) and clocking architectures.

Preferred Qualifications

Solid knowledge of cellular radio standards at the physical layer (GSM, UMTS, LTE, 5G NR) and their implications for RF/PLL specifications Excellent written and verbal communication skills for effective cross-functional collaboration Experience using AI tools — such as LLMs, AI-assisted coding environments, and simulation co-pilots — to accelerate design exploration, automate repetitive analysis tasks, and improve engineering productivity Master's or PhD in Electrical Engineering (or equivalent) with 3+ years of relevant experience in RF/mixed-signal architectures 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. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.