Cellular Software Enablement Engineer, Wireless Technologies & Ecosystems

Apple, Inc.; Santa Clara (CA); On-site; USD 129,000 - 225,000; Full time

Benefits offered by this job

Comprehensive medical and dental

Retirement benefits

Employee stock programs

Tuition reimbursement

Relocation assistance

Job summary

Apple Inc. in Sunnyvale/Santa Clara Valley is seeking a Cellular Software Enablement Engineer to bring‑up cellular modems in new devices, from pre‑silicon emulation to production readiness. You will debug across hardware and software and develop ML models to optimize cellular firmware.

You will collaborate with hardware, software, and data teams, maintaining labs and devices and applying ML to improve performance and efficiency on Apple platforms with cellular connectivity.

Qualifications

• BS or MS in a related field with 2+ years of industry experience.
• Proficiency in C/C++ and Python, with embedded systems/RTOS experience.
• Hands-on ML coursework or experience using PyTorch, scikit-learn, or XGBoost.

Responsibilities

• Owns product bring-up of cellular modems in Apple devices.
• Supports pre- through post-silicon hardware bring-up.
• Leads hands-on debugging across hardware and software stacks.
• Maintains device labs and development hardware.
• Develops ML models to optimize firmware performance on-device.
• Collaborates with cross-functional teams to frame ML use cases.

Skills

C/C++

Python

Embedded systems

RTOS

Machine learning

Education

BS in Electrical/Computer Engineering or related field

MS in related field

Tools

JTAG

LLDB

Trace tools

FPGA platforms

Job description

Cellular Software Enablement Engineer, Wireless Technologies & Ecosystems

Sunnyvale, California, United States Software and Services

Do you want to bring new cellular modems to life inside Apple devices? Do you enjoy working across hardware, firmware, and machine learning to solve problems no one has solved yet? Join us to help deliver the cellular connectivity at the heart of our devices. The Cellular Software & Technologies organization builds and optimizes Apple's in-house cellular software. Within this organization, the Cellular CoreBSP Enablement team brings up firmware on every new cellular modem Apple designs and integrates it into every Apple product that ships with cellular connectivity, from first boot through production readiness and commercialization. We are looking for a hands‑on engineer to join this high‑visibility team in Santa Clara Valley. This role demands someone who fights for excellence in everything they build, drives what matters by focusing on the highest‑impact problems, and fosters trust through transparent communication with partners across the organization.

Description

As a member of the Cellular CoreBSP Enablement team, you will own product bring‑up of cellular modems in new Apple devices, from early builds through production readiness, and support bring‑up of new modems from pre‑silicon emulation through post‑silicon hardware. You will lead hands‑on debugging across the full hardware and software stack and maintain the device labs and development hardware. You will also develop machine learning models that optimize how cellular firmware runs on the platform, working with data providers and use‑case teams from problem definition through on‑device deployment.

Responsibilities

• Owns product bring‑up of cellular modems in new Apple devices, from early builds through production readiness.
• Supports bring‑up of new cellular modems from pre‑silicon emulation through post‑silicon hardware.
• Leads hands‑on debugging of complex issues across the full hardware and software stack, partnering with hardware, software, and other cross‑functional teams to find root cause.
• Maintains device labs and development hardware, and builds the debugging, automation, and lab operations tools that support them.
• Develops machine learning models that optimize how cellular firmware runs on the platform, improving performance, efficiency, and responsiveness.
• Partners with cross‑functional teams to frame domain problems and use cases as machine learning problems, source and prepare data, and develop and deploy models on‑device for production.

Minimum Qualifications

• BS in Electrical Engineering, Computer Engineering, Computer Science, or a related field, and 2 years of relevant industry experience; or MS in a related field.
• Proficiency in C/C++ and in Python or other scripting languages, with experience in embedded systems and RTOS environments.
• Coursework or hands‑on experience in machine learning, including training and evaluating models with frameworks such as PyTorch, scikit‑learn, or XGBoost.

Preferred Qualifications

• Demonstrated ability to collaborate across teams, communicate technical information clearly, and drive results with minimal guidance.
• Hands‑on experience debugging embedded systems using JTAG, LLDB, trace tools, or similar.
• Experience with product, board, or silicon bring‑up, including pre‑silicon emulation or FPGA platforms.
• Experience with cellular or wireless modem firmware (LTE, 5G NR).
• Familiarity with ARM or similar processor architectures.
• Experience applying machine learning to system performance or efficiency problems, including deploying models on resource‑constrained hardware.

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $129,300 and $225,300, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

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Apple accepts applications to this posting on an ongoing basis.