System/Network Simulation Engineer

Santa Clara Valley (Cupertino), California, United States


Role Number: 200079454
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 and dedication to your job and there's no telling what you could accomplish. Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? As a member of our dynamic group, you will have the unique and rewarding opportunity to craft upcoming products that will delight and inspire millions of Apple’s customers every single day. Are you ready to join our Wireless Architecture team? In this role, you will be a key member of the platform architecture team involved in the development of wireless technologies with focus on protocol and wireless system modeling and simulations. Wireless technologies have become a crucial part of all Apple devices that delight our customers. Our devices operate in radio environments with various applications, using different wireless technologies. With the latest developments in cellular, WiFi, BT, etc., we utilize a sophisticated simulation platform to study performance of our devices in complicated radio and network conditions. We are looking for an expert wireless systems engineer who has deep understanding of wireless protocol interactions within the network, interactions across different layers of wireless protocols, such as WiFi or BT, and interactions of different technologies within the same device. You will be responsible for modeling the network protocols as well as the effect of the wireless channel and RF interactions of different wireless technologies in the simulation platform. You will also be responsible for providing reference simulations and conducting particular studies using the simulation platform.

Key Qualifications

  • Skilled in Software languages: C++/C, Python
  • Knowledge of wireless systems and protocols such as LTE/WiFi/Bluetooth, and networking protocols like TCP/IP
  • Preferred knowledge of event driven simulators
  • Familiarity with version control tools


You will build a state of the art network simulator for wireless networks, including cellular 4G/5G, WiFi 802.11ac/ax, Bluetooth and other emerging technologies. Model PHY/RF and protocol coexistence of different wireless technologies. Model the protocol layer interactions of various deployment scenarios. Evaluate device and network performance of different coexistence algorithms and configurations. Develop and optimize systems algorithms for wireless performance and coexistence.

Education & Experience

Additional Requirements