Commercial Engineer in IT developing strategic sales in the Indian Ocean region, specifically targeting private sector in La Réunion. Focus on personalizing client approaches and strengthening business relationships.
About the role
- Roaming IREG Engineer managing international roaming processes and procedures for a global mobile communications provider. Responsible for technical setup, testing, and maintenance of roaming services.
Responsibilities
- __****Key Responsibilities**__
- 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
- **Must Have**
- 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.
- ****Qualifications**
- 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
Benefits
- **What we offer?**
- **CLT contract** — enjoy job stability and reliable benefits that value your work
- **Quarterly performance bonuses **to reward your hard work and achievements
- **Meal allowance paid into Caju card** — R$100 per working day
- **Health insurance with SulAmérica **— 50% covered by the company
- **Daycare allowance **provided to mothers with children under 3 years old — R$500 per month per child
- Kickstart your journey with an exciting welcome **onboarding trip to one of our European offices** (Lisbon or Berlin)!**
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Location requirements
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