Senior Core Network Solution Architect
AiraloEurope
Posted March 23, 2026
Full Time
About the Company
Airalo is the world's first and largest eSIM store, helping travellers stay connected seamlessly in over 200 countries and regions.
Job Description
Airalo is seeking a Senior Core Network Solution Architect to design the future of global networks. The ideal candidate will have extensive experience in Core Network architecture and a deep understanding of IMS and signalling protocols.
Requirements
- Extensive experience in Core Network architecture within a Tier 1 Carrier, MVNO, or major vendor environment.
- Deep understanding of the IMS (IP Multimedia Subsystem) architecture and how it interacts with the EPC/5GC for VoLTE and SMS services.
- Expert-level knowledge of SIP, Diameter, and GTP signalling.
- Strong grasp of IPX/GRX connectivity and the BGP/DNS logic (S-NAPTR) required for global network discovery.
- Ability to lead 'Acceptance Testing' (ATP) and technical workshops with external stakeholders to ensure designs are implemented to spec.
Benefits
- Remote work
- Generous Paid Time Off
- Wellness and learning allowances
- Annual Airalo Away retreat
