Remote Global Core Network Engineer

Airalo, the world's first eSIM store, seeks a telecom core network engineer to design the IP infrastructure of multi-site data centers and enable global connectivity for travelers. This fully remote role defines WAN/LAN strategies, leads configurations of DRAs, GTPs, GGSN/PGW, and coordinates direct roaming agreements with partners, interfacing with Airalo's Platform and Network Operations teams. Ideal candidates have 3–5 years in core telecom, experience with Sigtran, Diameter, REST APIs, BGP,