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Customer Support Engineer CC- Mobile Switching CS Core

Job Title: Customer Support Engineer CC- Mobile Switching CS Core
Contract Type: Contract
Location: Dublin, Republic of Ireland
Salary: Negotiable
Start Date: asap
Duration: 6months
REF: x/eg/cscore_1521717874
Contact Name: Elizabeth Gilpin
Contact Email:
Job Published: about 1 year ago

Job Description

Customer Support Engineer CC- Mobile Switching CS Core. Dublin, Ireland. 6 Months contract.

Implement and test new voice services - DB implementation and E2E testing to verify correct call flows

Maintain & develop Three's voice core test network - Nokia

Provide technical assistance in the development/deployment of new services and products - review and comment provided solutions

Technical point of contact for any operational issues resolutions to be tested


  • Working experience on Nokia CS core - Operation & Maintenance, Troubleshooting
  • Good knowledge of voice call routing, call flows & switch translations - Signalling interfaces
  • Ability to understand & interpret PCAP call traces - working experience of Wireshark analyser
  • Good understanding of Telecommunications products and services - MSS, MGW, HLR,HSS e.t.c
  • Experience in areas test and operations - To be able to test E2E solutions
  • Good knowledge of Nokia O&M interfaces - MML, SCLI
  • Good knowledge of Mobile Networks topology RAN, CS Core, PS Core and related NE

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