A

IREG Engineer

Airalo • Emea
Remote
This Job is No Longer Active This position is no longer accepting applications

Design the future of global networks as an IREG Engineer at Airalo. Lead the planning and execution of GSMA IREG test cases, perform deep-dive protocol analysis, and manage remote testing probes. Collaborate with the Core Engineering team to ensure correct data builds in the HSS/HLR and STP/DRA.

Key Highlights
Lead IREG test cases
Perform deep-dive protocol analysis
Manage remote testing probes
Key Responsibilities
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.
Technical Skills Required
Wireshark/pcap analysis MAP Diameter GTP protocols SS7/SIGTRAN Diameter routing architectures
Benefits & Perks
Remote work
Generous PTO
Wellness and learning allowances
Annual Airalo Away retreat
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

Job Description

Ready to make travel easier for millions? Airalo is the world’s first and largest eSIM store, helping travellers stay connected seamlessly in over 200 countries and regions. We trust our teams to take ownership, put customers first, and do work that has a real impact every day. What’s in it for you? Airalo offers team members a range of perks, including remote work, generous PTO, wellness and learning allowances, and, of course, our annual Airalo Away retreat. Learn more about our benefits here; www.notion.so/airalo-public/Benefits-25396a97ffca81fb9bc1f0be479f1be3Hi, I’m Peter, VP of Networks at Airalo!
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