Cellular 4G/5G System Performance Engineer

Apple • San Diego, CA

5h

About The Position

As a Cellular 4G/5G System Performance Engineer, you will be at the center of the embedded 5G/4G/multimode cellular system / firmware effort within a silicon design group responsible for designing and productizing state-of-the-art cellular SoCs. This position requires someone comfortable will all aspects of embedded system/firmware verification, that thrives in a dynamic cross-functional organization, is not afraid to debate ideas openly, and is flexible enough to pivot on constantly evolving requirements.

Requirements

• BS and a minimum of 10 years relevant industry experience.
• Advanced knowledge of 4G/5G physical layer, protocol stack and procedures.
• 5+ years of experience in 4G/5G development / system engineering / device performance verification.
• Experience in investigating and troubleshooting cellular device performance issues.
• Strong analysis and debugging capabilities to be able to debug performance issues and work with firmware development and systems design teams to close these issues.
• Understanding of software engineering principles, and core computer science fundamentals.
• Proficient in scripting or programming languages such as Python, C/C++.
• Experience and knowledge of multiple 4G/5G signaling and physical layer test equipment (Keysight/Anritsu/R&S) along with their automation interfaces.

Nice To Haves

• Ph.D degree in wireless communication or electrical engineering.
• Advanced knowledge of 4G/5G physical layer, protocol stack, and procedures.
• Over 10 years of experience in 4G/5G development / system engineering / device performance verification.
• Experience in investigating and troubleshooting cellular device performance issues.
• Strong analysis and debugging capabilities to diagnose performance issues and collaborate with firmware development and systems design teams to resolve them.
• Deep understanding of software engineering principles and core computer science fundamentals.
• Proficient in scripting or programming languages such as Python, C/C++, and Java.
• A solid grasp of automation tool chain.
• Extensive experience and knowledge of various 4G/5G signaling and physical layer test equipment (including Keysight, Anritsu, and R&S) and their automation interfaces.
• Solid knowledge in Layer 2/Layer 3/ NAS and network performance optimization (a plus).
• Experience with network emulators, silicon prototyping, emulation systems, and virtual platforms a plus.

Responsibilities

• Craft sophisticated leading-edge embedded firmware that deliver more performance in our products than ever before.
• Work across disciplines to transform improved hardware elements into a single, integrated design.
• Innovate new wireless systems technologies that continually outperform the previous iterations.
• Collaborate with other product development groups across Apple to push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world.
• Investigate and troubleshoot cellular device performance issues.
• Debug performance issues and work with firmware development and systems design teams to close these issues.
• Diagnose performance issues and collaborate with firmware development and systems design teams to resolve them.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior