This role requires critical expertise in multiple layers in cellular protocols, experience with UE and/or NW protocols development for various 3GPP technologies is important. Duties of this position will include design, develop, and maintain cellular protocol device side host test and network simulation environment. 10+years of experience in one or more of following for cellular protocol stack relevant features on commercial UE or protocol test systems are essential: protocol feature development, test specification, test case implementation and analysis.