Core Fault Management

6 hours ago

Chennai, India Teknowiz Full time

Job Description: Core Fault Management

Job Location- Chennai (Ongoing Contract/ Fixed Term Contract)

Responsibilities: -

  • Fault management/configuration of CS & PS Core Network.(2G/3G/4G/Volte/IMS/5G)
  • 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, Packet Core Domain (3G/4G/5G Core Nodes CSCF,SBG,MTAS,IP Works, EMM,MSS,MGW,vEPG, vMME, SGSN,GGSN,PCC,PCG, 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/5G 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.

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