IMS Tech Lead

3 weeks ago

Bengaluru, India HCLTech Full time

Job Title - IMS Tech Lead

Years of Experience - 10+year


Mandatory Skills/Qualifications:

• Knowledge and working experience in LTE/UMTS/GPRS/VoIP/IMS/P/I/S-CSCF/HSS/EIR/MNP/HLR/SDL Primarily Nokia)

• Good understanding of Wireless Operator’s end-end Network architecture/Protocols and Interfaces

• Understanding of Rel 15 and Rel 16 3GPP standards

• Extensive Working experience with SIP Call processing and SIP Supplementary Services.


Preferred:

• In-depth understanding of Telecom Protocols and technologies like SIP, SDP, H.248, MGCP,

DIAMETER etc.

• Expertise in creating test plans for system level, subsystem level and feature level testing

• Understanding of Software testing Life cycle

• Working knowledge in Automation testing using any framework

• Good Knowledge in TCP/UDP, IP protocols and understanding of basic OSI model

• Knowledge of Database (Oracle, Informix, Microsoft SQL Server)

•Cloud computing- openstack, K8S


Work Description:

1.IMS Tech Lead

2.Responsible for IMS Deployment/Configuration support for Nokia & Ribbon IMS VNF/CNF & Bare metal Nodes.

3.Design & Resource requirement review & Availability support for Cisco CVIM & ACI with respect to Nokia VNFs

4.Cross domain [RAN, EPC, Cloud, ACI, IPTX] planning & Support.

5.Responsible for Nokia IMS VNF nodes Release & Change management– CFX 5000, A-SBC, NTAS, MRF, Ribbon I-SBC, Ribbon GSX/SGX, Telesys STP, MNO SBC, PSTN SBC, NetNumber, PSX.

6.Technical Lead & SPOC for IMS Environment for any LAB/PROD environment issue or new requirement/ New Projects.

7.Test phase planning, design, review, execution & validation as per requirement for Nokia IMS Nodes.

8.Exposure for Nokia SDM Component [HSS, EIR, MNP, SDM, HSM]

9.Call flow validation & issue simulation for any New/Ongoing issue for IMS Network.

10.Test Tool Planning, Test Case Script design & validation from Spirent Landslide for IMS Bulk Registration, Volte call, SMS, Emergency Call, PSTN Call.

11.Call model verification & Performance testing for Nokia IMS component Release & change testing.

12.Handling IMS CVIM PODs & RCP Cluster as a part of domain owner ship.

13.Total 10+ Years of experience.

14.Handling RCP Project as SPOC from Core IMS side for all CNFs.

15.Able to work on Nokia INFRA requirement for Cluster Nokia artifact configuration & kernel parameter support.

16.Robin related issue identification & debugging, follow up with Robin & Nokia for closure.

17.Ability to lead NW level programs as E2E Architect.

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