Telecommunications Architect
Cape
Cloud
Job Level
Mid-LevelSenior
About the role
- 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.
Requirements
- Perform end-to-end roaming testing (voice, SMS, data, CAMEL, VoLTE, 5G roaming).
- Execute IREG test cases according to GSMA guidelines and bilateral agreements.
- Analyze and troubleshoot roaming issues with signaling traces and logs.
- Work closely with international roaming partners to resolve interconnect problems.
- Manage and update roaming documentation (IR.21).
- Support new roaming launches (testing and activation of new operators, technologies, and services).
- Coordinate with internal teams (Core Network, Billing, etc) during testing and troubleshooting.
- Validate TAP files and charging/billing aspects of roaming services.
- Monitor KPIs and performance of roaming services after launch.
- Follow-up and define Quality and Performance indicators for the entire roaming service.
- Close relationship with external partners like carriers, service providers.
- Have successful partnerships with other departments and teams.
- Degree in Telecom Engineering or Computer Science or equivalent experience.
- Knowledge of 3GPP, ETSI, standards and specifications for SIM/eSIM.
- Knowledge and experience with protocols such as MAP, S6a.
- Familiar with an RSP architecture and experience operating it.
- Knowledge in scripting and have basic programming skills.
- Experience with protocol analyzer tools like Wireshark, Astelia, and ability to use them to troubleshoot networks errors/problems for the mentioned protocols.
- Experience with ETSI NFV architecture and solutions.
- Familiar with MVNO/MVNE/MVNA architecture(s) and landscape.
