Software Development Engineer - Cellular (Instrument Engineering)
Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 4, 2026. Apple scores A on the Alion truth index.
Join this small team of extraordinary engineers that designs and produces precision protocol, RF and Analog Test Equipment for use in calibrating and testing 4G, 5G, WiFi, BT, mmWave, UWB and NFC radios in millions of iPhones, iPads, Macs and Apple Watches. We’re looking for a highly motivated individual who enjoys developing software constituting cellular systems. All members of the team bring their own unique expertise to collectively take internal Apple products from concept to mass production. Each internal product is designed to Apple's exacting standards resulting in breathtaking test equipment that maintains the quality, accuracy and function of commercially available offerings. All our users receive high quality support from our team, ensuring a good experience.
Description
As a Cellular Software Development Engineer, you will develop high quality software using modern software engineering techniques and tools as part of a diverse team. Your responsibilities will include designing, developing, testing and deployment of this software, spanning various aspects of the cellular stack, including interfacing with the upper layers and implementing and driving lower layers. You will use a data-driven approach within a continuous improvement culture. You’ll work proactively with other cross-functional teams to determine the optimum software solutions to enhance the quality of Apple’s products. You will provide support to our users for bringing up and deploying our products.
Minimum Qualifications
A Bachelor’s degree is needed, and we highly value Master’s or above. Courses in wireless communications with a focus on cellular systems and protocols will be a plus.
A good understanding of cellular protocol stacks, particularly 5G.
Software development experience and debugging skills in C/C++ and Python.
Experience with multi-processing and multi-threading based implementations.
Experience developing within distributed service based software architectures.
Good fundamentals in object-oriented SW design and test techniques and methodologies.
Open to international travel about 10% of the time.
Preferred Qualifications
3+ years of industry experience or equivalent.
Recent hands-on development experience in cellular software development.
Knowledge of fundamental concepts in RF systems.
Familiarity with the use of Matlab.
Scripting and debug experience using Python.
Strong interpersonal skills and a willingness to learn.