MS Specialist OSS

We are seeking a highly skilled and motivated Specialist in Core/Packet Coreto join our team. Your experience in troubleshooting CMM and CMG, IMS & SDM products with a holistic approach in isolating/resolving faults in Core/CPC solutions running both in Bare Metal and Cloud-based networks. Troubleshoot critical complex cases involving multiple Network Elements, both in horizontal axis (call flow related) and vertical axis (cloud infra related). And for Enterprise Networks (Private Wireless LTE). This role requires a blend of expertise in Multi-Domain Network Elements.

You Have:

• Any Bachelor's degree with 5 to 8+ years of experience in Nokia (5G Core Nodes AMF, SMF, UPF, NRF, and LTE Nodes IMS & SDM nodes).
• Understanding call flows of 5G / LTE like Registration, Re-Registration, De-Registration, VoLTE Call, Break-in / Break-Out, Hand-over, roaming etc.
• Excellent knowledge of LTE and 5G EPC / 5G Core Architecture Interface and Protocols.
• Good Understanding of service-based architectureconcepts/Network Slicing

It would be nice if you also had:

• Knowledge ofCloud Native Architecture and experience in Microservices, Kubernetes, Docker, and Containers.
• Exposure in the IMS/SDM architecture with all the nodes.

• Resolution & providing technical support for the incidents reported/requests for Packet Core nodes/Core nodes (Analysis, Troubleshooting & fixing the issues reported) on already deployed to the end customer/user.
• Exposure to e2e troubleshooting with CMM and CMG involved (Call flow and cloud infra).
• Exposure to e2e troubleshooting with IMS & SDM involved (Call flow and cloud infra).
• Manage end-of-the-end fault incident and problem resolution, ensuring compliance with SLA and OLA requirements.
• Configure and maintain the 5G SA Core Network, coordinating closely with project teams for design reviews and integration activities.
• Prepare, implement, and verify configurations for nodes or systems, documenting methods of procedure (MOP) and work
• Manages technical escalations for technical requests, emergency cases, and instructions (WI).
• RCA problem-solving with the care team to identify and mitigate underlying issuesoutages internally and towards customers.
• Collaborate with stakeholders like GDC, Care, Field & Customer to resolve the issues.
• Participate in CAB/CR meetings. Preparing & Validating the MoPs and executing the CRs with 100% FTR.
• Analysis of Performance Degraded KPIs and their resolutions.
• Analyzing the RCAs, preparation of final Incident Report and Submission.
• Knowledge Transfer & Mentoring the team.
• Integration of Nodes.
• Software Update of the Nodes.
• Automate the daily Preventive & Repetitive Tasks.