airalo - Roaming IREG Engineer
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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. • Experience with 5G Roaming (HTTP/2 signaling) and SEPP (Security Edge Protection Proxy). • Knowledge of TADIG (Transferred Account Data Interchange Group) for billing validation. • By applying, you acknowledge and agree that, in case of successful application, Airalo may request to run background checks as a condition for entering into an agreement with you. Rest assured that these checks will only occur upon your prior consent and at the end of the selection process, and will be strictly limited to what is allowed under the laws that are applicable to you. All data that you share or that we collect in connection with such checks will be processed in accordance with our Privacy Policy, available here: www.airalo.com/more-info/privacy-policy?srsltid=AfmBOooBT0rXAj1FaNelZ3VfN0wvhwzvAoxdtHnOKSVETpiSjiXVuycy • We sincerely thank all applicants in advance for submitting their interest in this opportunity. Airalo is an equal-opportunity employer and values diversity, equity & inclusion. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations upon request for individuals with disabilities throughout our job interview process.
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.
Benefits
• Hi, I’m Peter, VP of Networks at Airalo! • Our team ensures customers have instant, smooth connectivity from the moment they purchase their plan to the moment they arrive at their destination. We go beyond standard mobile service, building innovative solutions that enhance the traveller experience. We’re looking for curious engineers who want to design the future of global networks. Think outside the box, reverse-engineer solutions from ambitious product ideas, and help pave the way for Airalo’s leadership as a global connectivity partner. • Airalo’s fully remote Networks team is growing. You’ll work on the systems and infrastructure that keep over 20 million travellers connected reliably and securely at global scale. Solve complex technical challenges, optimize processes, and experiment with better ways to keep the world connected.
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