Employer: Confidential
Function: Core Network & SDM Operations
Position: SDM (Subscriber DB Management) L2 Engineer
Location: Middle East (GCC Region)
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üí° About the Role:
We are seeking an experienced SDM Operation Engineer to join our Core Network & SDM Operations team.
The role entails full technical ownership of Nokia SDM solutions, ensuring high service availability, performance, and reliability across live network environments.
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üõ†Ô∏è Key Responsibilities
üîπ Administrate, configure, and operate Nokia SDM Core (HLR/HSS, AUSF/UDM, SDL, EIR, and PGW).
üîπ Monitor KPIs, alarms, and system logs to ensure service continuity and stability.
üîπ Conduct troubleshooting and detailed root cause analysis for incidents, faults, and performance degradation.
üîπ Prepare and maintain configuration baselines, change activities, and operational documentation.
üîπ Collaborate with design and engineering teams for feature implementation and optimization.
üîπ Participate in network change activities, ensuring risk-free execution in live networks.
üîπ Coordinate with vendors and third parties for escalations and technical resolutions.
üîπ Perform software upgrades, patch management, and capacity expansion for SDM network functions. üîπ Lead preventive and corrective maintenance activities to sustain service quality.
üîπ Support integration testing, acceptance, and commissioning of new SDM features and nodes.
üîπ Generate periodic health check, KPI, and fault analysis reports for management.
üîπ Be able to work in shifts to support 24/7 operational requirements.
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üìã Requirements
‚úÖ Proven expertise in SDM architectures.
‚úÖ Deep understanding of SIP, Diameter, and IP networking protocols.
‚úÖ Experience with virtualization platforms (OpenStack/KVM) and Linux OS.
‚úÖ Hands-on experience in troubleshooting call flows and SIP signaling using tools like Wireshark.
‚úÖ Familiarity with Kubernetes and Linux for operational efficiency.
‚úÖ Solid understanding of performance monitoring, KPI management, and incident handling.
‚úÖ Excellent documentation and analytical skills.
✅ Bachelor’s degree in Telecommunications, Computer, or Electronic Engineering (or equivalent).
‚úÖ Strong commitment to reliability, quality, and continuous service improvement.
üì© Apply Now: [email protected]
