Cellular System Engineer
Sunnyvale
February 25, 2026
Apple Custom Ats
Summary
Do you have a passion for building innovative HW/SW for controlling modern RF transceivers? Do you enjoy hands-on, cradle-to-grave experience for building innovative cellular SoCs? In this role, you will have the opportunity to engage in architecture stages, and work with various teams to design, implement, verify, validate, bring-up, and productize sophisticated transceiver architectures. Join us and help to innovate new wireless systems technologies that continually outperform the expectations! By collaborating with other product development groups across Apple, you’ll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world!
Description
As a Cellular System Engineer, you will be responsible for the pre- and post-silicon bring up, and validation of end-to-end cellular systems. You will understand and map systems algorithms and requirements to HW/FW architecture, simulation and emulation based validation of the control flows and algorithms.
Minimum Qualifications
BS and 3 + years of relevant industry experience.
Good understanding of communication theory and signal processing, AGC, beamforming, Tx power control, mitigation of radio impairments, and calibration algorithms.
Good experience with Matlab, Python, and C/C++ and efficient analysis and automation scripting.
Excellent communication skills, both written & verbal especially in a multi-functional environment.
Demonstrate clarity of thought and strong analytical and problem-solving skills.
Preferred Qualifications
MSEE or beyond is preferred.
Experience in the design and bringup of wireless communication systems with expertise in cellular systems preferred.
Strong technical background in 5G-NR/LTE/UMTS (3G/2G) physical layer and protocols.
Hands-on experience in applying AI/ML techniques on real-world data sets to tackle sophisticated engineering problems.
Experience with silicon prototyping, emulation systems, and virtual platforms is a plus.
Hands-on experience in the bring up of real silicon in the lab. Ability to efficiently use lab equipment (such as spectrum analyzer, signal generator, power meter, etc).
