SDM L2 Engineer – Core Network Operations

About the role

An experienced SDM Operations Engineer is sought for a client's Core Network & SDM Operations team in the Middle East (GCC region). 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.
• Troubleshoot incidents and faults, performing detailed root cause analysis.
• Maintain configuration baselines, change activities and operational documentation.
• Collaborate with design and engineering teams on feature implementation and optimization.
• Take part in network change activities and coordinate with vendors on escalations.
• Perform software upgrades, patch management and capacity expansion for SDM network functions.
• Lead preventive and corrective maintenance and support integration testing, acceptance and commissioning of new features and nodes.
• Generate periodic health-check, KPI and fault analysis reports.

Required profile

• Bachelor's degree in Telecommunications, Computer or Electronic Engineering (or equivalent).
• Proven expertise in SDM architectures and deep understanding of SIP, Diameter and IP networking protocols.
• Solid understanding of performance monitoring, KPI management and incident handling.
• Able to work in shifts to support 24/7 operations.

Required skills

• Virtualization platforms (OpenStack/KVM) and Linux OS.
• Troubleshooting call flows and signaling with tools such as Wireshark.
• Familiarity with Kubernetes.
• Excellent documentation and analytical skills.

To apply, candidates should use the application link in the original posting or send their CV by email to the recruiter, quoting "SDM L2 Engineer" in the subject line.