Build and execute software test plans while developing Python, Swift, or Objective-C automation frameworks and generative-AI tools to expand coverage for features used in Japan.
About this role
This engineer verifies cellular features across LTE, 5G NR and future standards, owning the test lifecycle from carrier specifications through execution. Carrier requirements are assessed for environment applicability and translated into structured test plans for modem verification. The work includes root-cause analysis of complex baseband software and firmware issues, verification with advanced lab equipment, and authoring internal test cases. It also expands test-automation frameworks to increase coverage and surface defects earlier, using AI/ML where applicable. The technical context includes 3GPP specifications, the protocol stack and core cellular procedures. Applicants need a bachelor’s degree in electrical engineering, computer engineering, telecommunications, computer science or a related field. They need hands-on experience in cellular modem or wireless-system testing, interoperability testing, protocol validation, or carrier acceptance, along with good knowledge of 3GPP 4G/5G specifications and knowledge of test automation and scripting. Experience with AI/ML tools for test automation, or a strong interest in applying them, is also a minimum qualification.
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