IREG Engineer - Remote Position at Airalo

About the Role

Ready to make travel easier for millions? Airalo is seeking an IREG Engineer remote to join our innovative team. As the world’s first and largest eSIM store, we help travelers stay connected seamlessly in over 200 countries and regions. Our team is dedicated to taking ownership, putting customers first, and making a real impact every day.

What You'll Do

• Lead the planning and execution of GSMA IREG test cases (Stage 4 testing) for Data (IR.35), Voice (IR.24), and VoLTE (IR.92).
• Perform deep-dive protocol analysis on SS7, Diameter, and GTP signaling to resolve interconnect failures with international carriers.
• Coordinate with the Core Engineering team to ensure correct data builds in the HSS/HLR and STP/DRA to support new roaming launches.
• Manage remote testing probes and physical test SIM cards to simulate real-world traveler experiences in over 100+ countries.
• Optimize processes and experiment with better ways to keep the world connected.

Requirements

• Direct experience working at a Roaming Hub, IPX Provider, or Tier 1 MNO.
• Proven track record of executing IR.24, IR.35, and IR.92 test suites from scratch.
• Mastery of Wireshark/pcap analysis for MAP, Diameter, and GTP protocols.
• Deep understanding of SoR (Steering of Roaming) logic and how it affects IREG test results.
• Comprehensive understanding of SS7/SIGTRAN and Diameter routing architectures.

Nice to Have

• Experience with 5G Roaming (HTTP/2 signaling) and SEPP (Security Edge Protection Proxy).
• Knowledge of TADIG (Transferred Account Data Interchange Group) for billing validation.

What We Offer

• Remote work flexibility with a fully remote Networks team.
• Generous PTO and wellness allowances.
• Annual Airalo Away retreat for team bonding.
• Opportunities for professional growth and development.
• A diverse and inclusive work environment.

Join us as an IREG Engineer remote and help shape the future of global connectivity!