Carrier Technical Lead, Japan

Tokyo, Tokyo-to, Japan
Software and Services


Weekly Hours: 37.5
Role Number:200108837
The people here at Apple don’t just build products — they build the kind of wonder that’s 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. Join Apple, and help us leave the world better than we found it. Imagine what you could do here? As the Carrier Technical Lead you will be charged with taking cellular Apple products through technical certification of cellular devices with telecommunication carriers in Japan. Carrier Technical Leads are responsible for the day-to-day technical interactions with their carriers.

Key Qualifications

  • 8 years of experience working on mobile phones or similar products that operate on cellular networks, preferably in Japan
  • 5 years direct experience working with one or more carriers in Japan to deliver products that operate on their network, including supporting lab/field testing
  • Detailed understanding of cellular technologies and features for CDMA, UMTS, LTE-FDD and LTE-TDD, in particular high proficiency of analytical and debugging skills for Layers 1-3, including Layer 1 measurement and analysis
  • Solid understanding of IP technologies, particularly SIP as deployed for services such as VoLTE and Wi-Fi Calling
  • Detailed understanding of cellular standards, especially 3GPP/ETSI standards
  • Experience of carrier certification of cellular products, particularly within Japan, together with knowledge and understanding of carrier requirements and certification processes
  • Strong issue tracking/management abilities and understanding of software engineering processes with considerable experience of the software development life-cycle up to and including its release to customers
  • Familiarity with network features and current industry deployments, particularly within Japan
  • Ability to thrive in a collaborative environment and clearly communicate while confidently driving multiple projects across many teams
  • Passionate and inquisitive with a desire to solve everyday problems in innovative ways, focusing on the precise details that are meaningful to carriers and customers
  • Business level Japanese and English are required


You will work together with a team of highly skilled project managers, test engineers and developers based in Japan and abroad. As the Carrier Technical Lead you will be the primary technical interface between carrier engineering teams and test labs and Apple’s internal test and development teams. You will apply your detailed technical knowledge of cellular technologies and standards (CDMA, WCDMA, LTE FDD, LTE TDD, VoLTE) to lead the investigation of carrier issues found during device certification testing. This will involve partnering closely with carrier personnel and our wireless development teams to debug and resolve issues, quickly and efficiently. Additionally, Carrier Technical Leads assist carriers with testing and work with them on the verification of fixes in new iOS software builds, prototype hardware or network changes. The role includes the following duties: - Primary technical interface for carrier approval of Apple’s cellular devices in Japan - Support of carrier cellular device certification planning and test execution - Triage and analysis of carrier reported cellular issues - Collaboration with development teams to resolve carrier reported issues - Provide expertise on Japanese carrier networks and deployment plans to cross-functional teams for planning of new products, technologies and services

Education & Experience

BS degree EE/CE required, MS desired

Additional Requirements