1GLOBAL

Engineer

• Plan, execute, and document IREG tests (IR.24, IR.35, IR.50, etc.) for voice, SMS, and data services, in line with GSMA standards.
• Set up and verify interconnect links for voice and messaging services with partner operators.
• Monitor roaming service KPIs, troubleshoot issues, and ensure compliance with roaming agreements.
• Configure and test SS7, Diameter, SIP, and related signaling protocols for international connectivity.
• Liaise with foreign operators, roaming hubs, and internal teams during implementation and troubleshooting.
• Maintain up-to-date test results, network configurations, and operational procedures.
• Oversee the footprint management of all 1Global products, working closely with the wholesale and other networks team.

Roaming Engineer, IREG