Nokia Core Senior Specialist

Job Title: Nokia Core Senior Specialist
Contract Type: Permanent
Location: Unknown
Start Date: ASAP
Reference: LL-NokiaCoreSS
Contact Name: Lola Liu
Contact Email:
Job Published: June 13, 2022 14:27

Job Description

Lola is looking for a Nokia Core Senior Specialist (L2/L3). The successful candidate will perform health checkups of NE's of Core CS/IMS NOKIA (HSS, AAA (for enterprise Users), ENS(for VoLTE) ,SBC, oTAS, nTAS, CFX, NT-HLR, STP, ENUM, MSC, MGW, HSS, AAA, ) on a daily basis.



- Ensures highest availability of network & services by resolving faults/Handling incidents effectively

- Handling customer complaints

- Addition/Replacing of boards of MGW/MSC.

- Auditing and troubleshooting of mobile voice related KPIs.

- Hardware/Configuration of Network Elements MSS, MGW, STP, BGW, TAS, CFX 5000, DRA, PCRF, HSS used in IMS/VoLTE and 2G/3G network.

- Involved in configuration/testing of new assignment in our project VoWi-Fi 

- Troubleshooting and analysis of Open Network.

- Knowledge of GSM and IMS call flows.

- Good knowledge of interfaces like S6a/S6b,Cx, Ro, Sh, Rx.

- Analyzing traces of impacted calls and after troubleshooting provide solution to resolve it.

- CFX Offloading, parameter modification, onloading.

- Configuration in STP/DRA/CSD.

- Multi-vendor hardware support.

- UE traces on all interfaces.

- Understanding of Mobility call flows (LTE, 3G and 2G).

- Works as a SPOC on technical issues and mail support.

- Fault management of core nodes.

- Provide support for upgrading and troubleshooting activities.

- Ensures highest availability of network & services by resolving faults/Handling incidents effectively.

- Coordination with TAC/GTAC team for troubleshooting and providing technical supports to them for resolution activities.

- To ensure correct working methodology.