IMS/VoLTE L2 Engineer

About the role

An experienced IMS Operations Engineer is sought for a client's Core Network & IMS Operations team in the Middle East (GCC region). The role carries full technical ownership of Nokia IMS and VoLTE solutions, ensuring high service availability, performance and reliability across live network environments.

Key responsibilities

• Administer, configure and operate Nokia IMS Core (CSCF, SBC, TAS and related applications).
• Perform software upgrades, patch management and capacity expansion for IMS network functions.
• Monitor KPIs, alarms and system logs to ensure service continuity and stability.
• Troubleshoot and perform detailed root cause analysis on 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.
• Take part in network change activities, ensuring risk-free execution in live networks.
• Lead preventive and corrective maintenance to sustain service quality.
• Identify automation and process-improvement opportunities within IMS operations.
• Support integration testing, acceptance and commissioning of new IMS features and nodes.
• Generate periodic health-check, KPI and fault analysis reports for management.

Required profile

• Bachelor's degree in Telecommunications, Computer or Electronic Engineering (or equivalent).
• Proven expertise in Nokia IMS and VoLTE architectures.
• Able to work in shifts to support 24/7 operations.

Required skills

• SIP, Diameter and IP networking protocols.
• Virtualization platforms (OpenStack/KVM) and Linux OS.
• Troubleshooting call flows and SIP signaling with tools such as Wireshark.
• Familiarity with Kubernetes and Linux.
• Performance monitoring, KPI management and incident handling.

Candidates apply through the link in the original post, or by sending their updated CV to the recruiter's email with the subject line "IMS/VoLTE L2 Engineer".