Premier Services and Recruitment · Al Jizah, Egypt · Posted 2026-06-28
CS Core / IMS / SVC EngineerJob SummaryWe are seeking a BO CS Core / IMS / SVC Engineer to support, operate, and evolve mobile core networks. The role covers CS, IMS, and SVC solutions, with responsibilities and technical depth aligned to the candidates experience level. Engineers will work in live network environments, ensuring service availability, performance, and continuous improvement.Experience Levels2–5 YearsResponsibilities & Technical Requirements Core Network KnowledgeUnderstand the basic structure of mobile communication networksKnowledge of CS / SVC solutions or IMS / SBC services with basic configuration capabilitiesSignaling & ProtocolsBasic knowledge of SS7, M3UA, signaling link configuration, and GT routingFamiliarity with ISUP, BICC, SIPUnderstanding of mobility control protocols:BSSAP, RANAP, MAP, CAPGeneral knowledge of SIP, SDP, DIAMETER, DNS, ENUMMobility & Subscriber ConceptsUnderstanding of authentication and encryption mechanismsKnowledge of LAI, LAC, cell, service area, paging, roaming, handover, STN-SRAbility to check subscriber profiles in HSS and understand basic subscriber parametersOperations & SupportPerform L1 health checks and maintain operational scriptsMonitor network performance, system logs, and capacityEnable traces and support basic call troubleshootingProvide first-line technical support for CS/IMS core network elements