5 to 7 Years experience in core network operations preferably in Core IMS, HLR & HSS
O&M and Optimization of Core network including SDM(NTHLR), Cloud, SBC, TAS, CFX and Routers.
Operations & Maintenance of Core IMS Network including troubleshooting, monitoring, tracing on interfaces such as Wireshark or internal system traces and logs
Hands on experience on SDM(NTHLR),SBC, TAS,CFX, Router, NT HLR.
Experience with Interfaces and Protocols such as SIP, DIAMETER, DNS, ISUP, MAP, INAP, CAMEL, etc.
Customer Complaint Handling and first level Wireshark trace capturing and analysis.
Exposure to 4G VOLTE & LTE network with call flow and protocols used.
Escalation / Emergency Handling
Co-ordinating with GDC, Care, Planning and Customer, knowledge of raising trouble ticket process, emergency handling mechanism, regular updates to customers
Multi-vendor Core NW exposure and experience such as Alcatel, Nokia, Ericsson, Huawei IMS, etc.
Able to engage customers on technical front and contain escalations on ground level
Willing to work in after-office hours as per need / emergency
Working knowledge of Linux & Unix
Qualifications Education - B.Tech / BE in ECE, Computer Science, IT and instrumentation
Good interpersonal skills
Good Spoken and Written Skills and team player attributes
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