Role : CS Core - IMS Engineer

Location : Chennai

Experience : 3+ Yrs

Employment Type : Full Time, Permanent

Working mode : Regular

Job Description :

Responsibilities :

- Fault management/configuration of CS Core Network.(VOLTE & SDM)

- Coordination with Project teams for HLD/LLD/TOL/Design reviews

- Hand in Hand coordination with project for network integration activities

- Handle the Trouble ticket/CR within SLA

- Customer Issue handling and ensuring the end customer services are maintained

- MOP/WI preparation for the activities and new learnings

- Prepare, implement and verify the configuration and integration of a Node / System

- Coordinating with care team for finding and analyzing the RCAs

- Guiding team members to execute complex & critical configuration changes

- Tracking of issues related to tools and timely escalation as per pre-defined matrix

- Attending governance call with region and internal teams. Also responsible for analyzing and implementation of feedbacks from customers.

Key Technical Skillset :

- Candidate should have relevant technical experience on Ericsson IMS & CS Core Domain (3G/4G5G Core Nodes CSCF,SBG,MTAS,IP Works, EMM,MSS,MGW,etc) or SDM Domain ( HLR,HSS, UDM,AUSF,MMTEL etc)

- Knowledge on Cloud Native Architecture and experience on Microservices, Kubernetes, Dockers, Containers

- Excellent knowledge on Core IMS Architecture Interface and Protocols.

- Must have Hands on Experience on /LTE/VoLTE and SDM E2E call flows

- Good exposure in IMS architecture with all the nodes

- Good Understanding on Service Based Architecture concepts/Network Slicing

- Call flows of 5G / LTE like Registration, Re-Registration, De-Registration, VoLTE Call, Break-in / Break-Out, Hand-over, roaming etc.

Technology : CS Core & SDM