Cellular System Engineer

San Diego Sunnyvale Until 9/22/2026 10+ years exp First posted July 24, 2026 Last posted July 24, 2026
Job description

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 a minimum of 10 years relevant industry experience.

Strong understanding of communication theory and signal processing, AGC, beamforming, Tx power control, mitigation of radio impairments, and calibration algorithms.

Strong 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 strong 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).

About this role

Summary

Design and validate cellular systems hardware/software, oversee silicon bring-up, and collaborate across teams.

Job title

Cellular System Engineer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

technology

Location requirements

San Diego or Sunnyvale, remote not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

communication theorysignal processingMatlabPythonC/C++

Preferred skills

5G-NRLTEUMTSAI/MLsilicon prototyping

Specializations

wireless systemscellular SoCsRF transceiverssignal processingcommunication protocols
Locations

Structured locations inferred from the posting.

San Diego, CA, USA

Work arrangement unknown City

Sunnyvale, CA, USA

Work arrangement unknown City