Job Description

We are seeking a highly skilled and motivated Specialist in Core/Packet Core to 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.



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.

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 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.

Come create the technology that helps the world act together

Nokia is committed to innovation and technology leadership across mobile, fixed and cloud networks. Your career here will have a positive impact on people's lives and will help us build the capabilities needed for a more productive, sustainable, and inclusive world.


We challenge ourselves to create an inclusive way of working where we are open to new ideas, empowered to take risks and fearless to bring our authentic selves to work

What we offer

Nokia offers continuous learning opportunities, well-being programs to support you mentally and physically, opportunities to join and get supported by employee resource groups, mentoring programs and highly diverse teams with an inclusive culture where people thrive and are empowered.

Nokia is committed to inclusion and is an equal opportunity employer

Nokia has received the following recognitions for its commitment to inclusion & equality:





One of the World's Most Ethical Companies by Ethisphere Gender-Equality Index by Bloomberg Workplace Pride Global Benchmark



At Nokia, we act inclusively and respect the uniqueness of people. Nokia's employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law.


We are committed to a culture of inclusion built upon our core value of respect.





Join us and be part of a company where you will feel included and empowered to succeed.