MS Specialist OSS

4 days ago

India Nokia Global Full time ₹ 15,00,000 - ₹ 25,00,000 per year
Description

We are seeking a highly skilled and motivated Specialist in Core/Packet Core to join our team. Your experience in troubleshooting CMM and Core Mobile Gateway, IP Multimedia Subsystem & Subscriber Data Management 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.

Responsibilities

  • 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 Core Mobile Gateway involved (Call flow and cloud infra).

  • Exposure to e2e troubleshooting with IP Multimedia Subsystem & Subscriber Data Management involved (Call flow and cloud infra).

  • 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

  • RCA problem-solving with the care team to identify and mitigate underlying issuesoutages internally and towards customers.

Qualifications

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 – IP Multimedia Subsystem  & Subscriber Data Management  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 architecture concepts/Network Slicing

It would be nice if you also had:

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

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