Telecom Back Office Roaming Engineer

Job description:The Roaming Back Office Engineer is responsible for supporting and maintaining international roaming services by monitoring service performance, troubleshooting complex roaming issues, and ensuring service quality across CS and PS domains. The role involves coordinating with internal teams and international roaming partners, validating roaming configurations and changes, and handling high-priority incidents to ensure seamless customer experience.Key Responsibilities:Coordinate with roaming partners, vendors, and internal technical teams to resolve escalated roaming issues within agreed SLA timelines.Configure, maintain, and troubleshoot Packet Switched (PS) core network nodes, including SGSN, GGSN, MME, HSS, PGW, and data roaming elements.Conduct end-to-end roaming testing for voice, SMS, data, and supplementary services to ensure service readiness and compliance with standards.Solid knowledge of telecom signaling and roaming protocols (SS7, MAP, CAMEL, Diameter).Good understanding of roaming routing, interconnection, and IPX connectivity concepts.Strong communication and coordination skills with internal teams, vendors, and roaming partners