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🌐 SDM L2 Engineer
Mikrolink
Baladiyat ad Dawhah, QAT
Full-time
Entry
Onsite
Discovered 2 weeks ago
Nokia SDM CoreHLR/HSSAUSF/UDMSDLEIRPGW
Role Overview
The SDM L2 Engineer joins the Core Network & SDM Operations team and takes technical ownership of Nokia SDM solutions in live network environments.
The role supports service availability, performance, and reliability across the Middle East GCC region.
Key Skills for This Role
Nokia SDM CoreHLR/HSSAUSF/UDMSDLEIRPGW
Full Job Posting
Role overview
The SDM L2 Engineer joins the Core Network & SDM Operations team and takes technical ownership of Nokia SDM solutions in live network environments.
The role supports service availability, performance, and reliability across the Middle East GCC region.
Key responsibilities
- Administer, configure, and operate Nokia SDM Core functions, including HLR/HSS, AUSF/UDM, SDL, EIR, and PGW.
- Monitor KPIs, alarms, and system logs to maintain service continuity and stability.
- Troubleshoot incidents, faults, and performance degradation and conduct root cause analysis.
- Maintain configuration baselines, change activities, and operational documentation.
- Collaborate with design and engineering teams on feature implementation and optimization.
- Participate in network changes and ensure safe execution in live networks.
- Coordinate vendor and third-party escalations and technical resolutions.
- Perform software upgrades, patch management, and capacity expansion for SDM functions.
- Lead preventive and corrective maintenance to sustain service quality.
- Support integration testing, acceptance, and commissioning of SDM features and nodes.
- Produce health-check, KPI, and fault-analysis reports for management.
- Work shifts to support 24/7 operational requirements.
Requirements
- Proven expertise in SDM architectures.
- Deep understanding of SIP, Diameter, and IP networking protocols.
- Experience with OpenStack or KVM virtualization and Linux OS.
- Hands-on troubleshooting of call flows and SIP signaling using tools such as Wireshark.
- Familiarity with Kubernetes and Linux for operational efficiency.
- Understanding of performance monitoring, KPI management, and incident handling.
- Bachelor’s degree in Telecommunications, Computer, or Electronic Engineering, or equivalent.
- Strong documentation and analytical skills; commitment to reliability, quality, and continuous improvement.
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