Senior Telecom Engineer

Description

From **Logicalis Spain**, we are seeking a **Senior Telecom Engineer** with a cross-functional vision of telecommunications networks, capable of analyzing end\-to\-end services and traffic flows—from access to various Core network elements. The selected candidate will join a complex Telco environment, working on voice and data technologies and platforms—including IMS/VoLTE, EPC/5GC, and IP integration—with interaction across both Fixed Access and Mobile/Radio domains. Their main responsibility will be to provide technical expertise and analytical capability to understand end\-to\-end service operation, identify inter-platform dependencies, and support resolution of incidents and complex issues. Key responsibilities: * End\-to\-end analysis of Telco services—from access to Core. * Analysis of signaling, traffic, and data flows. * Work with IMS / VoLTE architectures. * Knowledge of EPC / 5G Core (5GC). * IP environment integration and troubleshooting. * Analysis of logs, traces, and communication flows. * Identification of dependencies among different network domains. * Liaison with Core, IP, Access, Radio, and Systems teams. * Participation in analysis of complex incidents and service issues. * Ability to correlate diverse technologies and components to achieve an integrated service view. * Participation in highly critical and highly available environments. * Essential requirements: * 5\+ years of experience in Telco environments. * Solid experience in voice and data Core. * Knowledge of IMS / VoLTE. * Knowledge of EPC and/or 5GC. * Good understanding of IP networks. * Demonstrable ability to analyze logs, traces, and end\-to\-end flows. * Sufficient knowledge of fixed and mobile/RAN networks to understand cross-domain interactions. * Troubleshooting and complex problem analysis capability. * Experience collaborating with diverse technical teams and vendors. **What do we offer at Logicalis Spain?** **Terms** + Stable position on long\-term projects. + Work modality: Hybrid, with remote work prevailing. + Proposed salary range: €45\-50k, depending on your experience.**Benefits** + A free day on your birthday. + Flexible compensation plan: meal card, transport card, and childcare card. + Private health insurance and GymPass. + Significant discounts on services and training due to employment at Logicalis: retail, electronics, travel, and other sectors. + Dynamic and collaborative work environment with strong opportunities for professional development and continuous learning. + Professional growth through cutting\-edge projects and current market technologies.