Test BaseStation Designer

The people here at Apple don’t just build products— they craft the kind of wonder that has revolutionized entire industries. It’s the diversity of those people and their ideas that inspires the innovation that runs through everything we do, from amazing technology to industry-leading environmental efforts. Imagine what you could do here. Join Apple, and help us leave the world better than we found it. A job at Apple is unlike any other you’ve had. You will be challenged. You will inspired. And you’ll be proud! At Apple, great ideas have a way of becoming great products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Join the Wireless Technologies and Ecosystems organization and be part of an outstanding team of engineers, working with multi-functional teams to drive innovation and develop products used by millions worldwide. We are looking for a highly reciprocal individual who can excel in a high-paced environment. Be ready to make something extraordinary when you come here. Dynamic, encouraging people and innovative, industry-defining technologies are the norm at Apple. The people who work here have reinvented and defined entire industries with our products and services. The same real passion for innovation also applies to our business practices - strengthening our dedication to leave the world better than we found it. You should join Apple if you want to help deliver the next amazing Apple product.

Description

This role requires critical expertise in multiple layers in cellular protocols, experience with UE and/or NW protocols development for various 3GPP technologies is essential. The candidate must demonstrate solid understanding of relevant protocol procedures and network interactions. The duties of this position will include design, develop, and maintain cellular protocol device side host test and network simulation environment. As a Test Base Station Architect, you will be responsible for design, implementation, integration approach and verification of a wireless test base station We need you to be responsible for the architecture, design and development of test base station with a focus on integration of different protocol layer implementations. You are a resourceful specialist in cellular network simulation systems and capabilities, including a working understanding of the wireless system platform and the use cases. You will participate in HW bring-up, performance characterization and optimization. You will create technical design documents and source material for user documentation.

Minimum Qualifications

Experience in building complex wireless systems and simulations In depth knowledge in 4G LTE /5G NR Cellular Network Architecture Must have excellent software developing and debugging skills including design, programming (C, C++, script) and debugging Have depth of knowledge in 3GPP 4G/5G protocols (L1/L2/L3) Experience with 4G/5G physical layer standards and software defined radios (SDR) Excellent knowledge on one or multiple cellular technologies: 4G LTE, 5G NR SA/NSA. System integration and validation experience of 4G LTE/5G-NR RAN (RRC, SDAP, PDCP, RLC, MAC & PHY) functions for both control plane and user plane based on 3GPP standards Understanding of ORAN split functions architecture and front-haul standards. Working knowledge of Implementing Test Base Station and RAN/CN network emulators (Keysight, R&S, Anritsu, Anite etc). Strong experience in cellular protocol stack host test or simulation environment development is key. Highly motivated and self-directed, fast learner, a good team player Excellent verbal and written communication skills Bachelor or graduate degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent degree

Preferred Qualifications

Knowledge of 5G gNB DU/gNB CU, and F1 interface is a plus Standard Software development & tool environments is a plus Understanding of NAS layer protocol and UE emulation is helpful