Responsibilities: Based in the local country or region market, you will serve as a key member of the technical support team in helping to launch new devices； Lead communication with carriers, distributors for their requirements, schedule, work closely with RD and TAMs in headquarter to ensure products get Technical Approval for selling; Execute self-Testing for each software release before delivery to customers; Be responsible for projects testing, new technology testing like 5G NSA,SA,VoNR,mmWave etc; Analyse logs, submit defects in JIRA system, and work with RD team (such as BSP,Telephony,Radio,protocol) and other cross functional teams on identifying and verifying issues; Organize and lead the technical workshop communication for carriers, to acquire new technology and evolution direction of carriers' network; Competitive information acquisition. Requirements： B.S. in Electrical Engineering, Computer Science, or Telecommunication Engineering. M.S. preferred; Familiar with carrier technical acceptance process and good relationship with local carriers; Be able to independent work, proactive; Knowledge of IMS (VoLTE,VoWiFi) and new wireless technology like 5G NSA,SA,VoNR,mmWave; Good RF OTA fundamentals knowledge and understanding along with practical experience is a plus; Experience with Qualcomm/MTK tools (QXDM,QPST,ELT); Good English and Spanish spoken and written communication required; Mandarin language skill is a plus.