Cellular Firmware Development Engineer

Apple • San Diego, CA

10d

About The Position

Do you have a passion for invention and self-challenge? Do you thrive on pushing
the limits of what’s considered feasible? As part of a world class modem team,
you’ll diagnose sophisticated leading-edge embedded firmware that deliver more
performance in our products than ever before. You’ll work across disciplines to
transform improved hardware elements into a single, integrated design. Join us,
and you’ll help us innovate new cellular technologies that continually
outperform the previous iterations. 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. Do you want to have an impact on every single Apple product?
As a Cellular Firmware Engineer on this team, you will be at the center of the
5G/4G/multimode cellular firmware effort within a silicon design and firmware
development group responsible for developing and productizing state-of-the-art
cellular SoCs. This position requires someone comfortable with advanced cellular
mobile technology and all aspects of cellular embedded software development,
that thrives in a dynamic cross-functional organization, is not afraid to
challenge what exists openly, and is flexible enough to pivot on constantly
evolving requirements.

You will participate in silicon bring-up, feature bring-up, and triage a
multi-mode L1/PHY firmware architecture of a state-of-the-art mobile wireless
communication system. You will troubleshoot and debug L1/PHY modem firmware
issues utilizing AI and automation technique. You will develop triaging
automation. You will optimize L1 and PHY firmware testability and debug
capability. You will run data mining, extraction and formatting to monitor
firmware health and debug efficiency.

Requirements

• BS and a minimum of 3 years of relevant industry experience is required
• Strong understanding of 5G and 4G 3GPP standards, and competent knowledge on Layer One and Physical Layer control
• Proficiency in embedded programming language such as C and C++
• Proficiency in scripting languages like Python, JavaScript
• Experience with embedded real-time software system bring-up, debug, and test
• Skilled in debugging embedded real-time multi-core, multi-mode software systems with multiple triage techniques

Nice To Haves

• Advanced degree in electrical engineering, computer science, computer engineering, or data science with 5+ years of relevant experience in wireless communications industry is preferred
• Experience in AI/ML technology and familiar with LLM, RAG, Transformer, Claude and other AI/ML techniques

Responsibilities

• participate in silicon bring-up
• participate in feature bring-up
• triage a multi-mode L1/PHY firmware architecture of a state-of-the-art mobile wireless communication system
• troubleshoot and debug L1/PHY modem firmware issues utilizing AI and automation technique
• develop triaging automation
• optimize L1 and PHY firmware testability and debug capability
• run data mining, extraction and formatting to monitor firmware health and debug efficiency

What This Job Offers

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