SDM L2 Engineer

Position: SDM (Subscriber Data Management) L2 Engineer

Function: Core Network & SDM Operations

Location: Middle East (GCC Region)

About the Role

We are seeking an experienced SDM Operations Engineer to join our client’s Core Network & SDM Operations team.

The role carries full technical ownership of Nokia SDM solutions, ensuring high service availability, performance and reliability across live network environments.

Key Responsibilities

• Administer, configure and operate Nokia SDM Core (HLR/HSS, AUSF/UDM, SDL, EIR and PGW).
• Monitor KPIs, alarms and system logs to ensure service continuity and stability.
• Conduct troubleshooting and detailed root cause analysis for incidents, faults and performance degradations.
• Prepare and maintain configuration baselines, change activities and operational documentation.
• Collaborate with design and engineering teams on feature implementation and optimization.
• Participate in network change activities, ensuring risk-free execution in live networks.
• Coordinate with vendors and third parties on escalations and technical resolutions.
• Perform software upgrades, patch management and capacity expansion for SDM network functions.
• Lead preventive and corrective maintenance activities to sustain service quality.
• Support integration testing, acceptance and commissioning of new SDM features and nodes.
• Generate periodic health-check, KPI and fault analysis reports for management.

Requirements

• Proven expertise in SDM architectures.
• Deep understanding of SIP, Diameter and IP networking protocols.
• Experience with virtualization platforms (OpenStack/KVM) and Linux OS.
• Hands-on experience troubleshooting call flows and signaling using tools such as Wireshark.
• Familiarity with Kubernetes and Linux for operational efficiency.
• Solid understanding of performance monitoring, KPI management and incident handling.
• Excellent documentation and analytical skills.
• Bachelor’s degree in Telecommunications, Computer or Electronic Engineering (or equivalent).
• Strong commitment to reliability, quality and continuous service improvement.
• Able to work in shifts to support 24/7 operations.

Pay: QAR3,100.00 - QAR18,000.00 per month

Work Location: In person