You will validate and characterize wireless system performance across wireless technologies towards industry conformance, regulatory compliance, carrier and use case requirements. You will perform debug and failure analysis of issues with cross-functional engineering teams and drive issues to closure. You will be responsible to complete certification testing. Examples of activities you may be involved in are:- Executing validation and characterization test plans to meet industry, emissions and performance requirements. - Bringing-up device-under-test, help define test requirements and implement test systems setups for validation readiness.- Tracking validation status, analyze results, communicate issues and insights from data to cross functional forum.- Performing failure analysis to understand low margin or failures making use of experimental SW/FW and modified development hardware. - Collaborating with vendors, technology suppliers and cross-functional staff to optimize radio performance of the device.- Supporting manufacturing test and Certification of Apple products.