Modem Validation Engineer
Join the Wireless Technologies and Ecosystems organization and drive innovation that matters! As part of the Cellular, Connectivity and Satellite team you we will be working on building solutions for Wireless technologies. 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, inspiring 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 our team if you want to help deliver the next amazing Apple product.
Our team is seeking a highly collaborative individual who thrives in a fast-paced environment.
This position involves defining, developing, automating, and deploying new test scenarios to validate various platform areas of 4G/5G cellular and satellite modems. Responsibilities include executing tests, analyzing results and failures, and identifying issues and optimizations to enhance the user experience.
To improve efficiency, we use Python-based automation and leverage AI/ML wherever possible.
You will work cross-functionally with platform architecture, standardization, firmware/protocol development, system test, and carrier engineering teams to drive improvement proposals and baseband optimizations. Our team members enjoy the flexibility to engage in all aspects of protocol software—PHY, RF, SIM, AS, NAS, IP, TCP/UDP, and iOS interfaces—to ensure the most robust and customer-friendly solutions.
- Design comprehensive test plans based on high-level design documents and 3GPP specifications.
- Implement and automate test cases using industry-standard test development platforms.
- Verify and validate test results to ensure accuracy and reliability.
- Identify, report, and track issues through resolution, collaborating closely with cross-functional teams.
- Perform deep analysis of cellular traces across all protocol layers from a system-level perspective.
- Develop and maintain Python scripts to enhance test automation and analysis workflows.
- Leverage AI/ML techniques at every stage to improve testing efficiency and overall system performance.
- Bachelors/Master Degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience
- Understanding and experience with 4G and 5G cellular systems testing
- Knowledge & Experience in Automation and Scripting skills using Python
- Experience in building application with AIML
- Hands-on experience in wireless embedded system testing, with a focus on 4G and 5G technologies.
- Skilled in defining, developing, and validating cellular modem system test cases for mobile devices using industry-standard test development platforms.
- Experienced in applying machine learning to enhance cellular system functionality and test efficiency.
- Solid grasp of 3GPP specifications including LTE and NR air interface, and key protocol layers — PHY, MAC, RLC, RRC, PDCP, and NAS.
- Proven ability to independently lead complex technology areas and drive product quality improvements in collaboration with cross-functional teams.
- Strong attention to detail and commitment to delivering an exceptional customer experience.