Position Overview: Director of Engineering is a high-impact senior leadership role, responsible for the end-to-end cellular engineering, including mobile network (core and RAN) management as well as deployment and technical management of innovative wholesale solutions in a secure, effective, scalable and commercially viable manner, to customers across the world. Lead and manage a geographically dispersed engineering team responsible for both open-source and vendor supplied LTE core (MME, SGW, PGW), IMS (VoLTE / VoNR) as well as 5G core (AMF, SMF, UPF, UDM, AUSF, PCF, NRF) infrastructure.