CS / IMS Core Engineer

Location: Cairo, Egypt

Duration: 1-Year Extendable Project

About the Company

Join a globally recognized technology leader at the forefront of telecommunications and digital transformation. The organization delivers cutting-edge network infrastructure, cloud solutions, and intelligent technologies that power some of the world’s largest mobile operators. With a strong focus on innovation, large-scale deployments, and continuous learning, this is an excellent opportunity for professionals looking to work on advanced telecom environments, gain international project exposure, and contribute to high-impact, mission-critical network operations.

About the Role

We are currently hiring a CS / IMS Core Engineer to support a major telecom project in Cairo. This role focuses on voice core and IMS environments, supporting live network operations, troubleshooting, and service optimization within a large-scale operator environment.

Key Responsibilities

• Perform L1/L2 support for CS Core and IMS network elements


• Troubleshoot voice call issues, signaling problems, and KPI degradation


• Analyze call flows and signaling protocols (SS7, SIP, ISUP, MAP)


• Monitor network performance, alarms, and logs


• Support configuration, testing, and implementation activities


• Execute health checks and support incident/change management processes


• Collaborate with cross-functional teams for issue resolution

Requirements

• Solid experience in CS Core / IMS / Voice Core networks


• Strong knowledge of: MSC, MGW, HLR, STP or IMS / SBC


• Signaling protocols (SS7, SIP, ISUP, MAP, CAP)


• Understanding of call flows, roaming, handover, and mobility procedures


• Experience with troubleshooting, log analysis, and performance monitoring


• Familiarity with ITIL processes (incident/change management)


• Good communication skills in English

Experience with Huawei CS/IMS systems is highly preferred