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Job Purpose:

Responsible for CS/IMS/PS Project delivery and technical support for CS/IMS/PS core network products, including equipment commissioning and debugging, upgrade and cutover, troubleshooting, and HLD/LLD Design.

Primary Duties & Responsibilities:

1. Planning and Designing of HLD/LLD Documents.
2. Deployment of cloud core network elements.
3. Software Installation and commissioning
4. Integration of Network Elements
5. Migration of Subscribers/traffic
6. Patch Upgrade and Expansion of Existing Network elements
7. Network KPI understanding
8. Troubleshooting of Network issues.
9. Provide technical training, technical guidance, and technical communication for on-site maintenance engineers and customer.

Routine Actions:

• Installation and Commissioning for MSS/MGW and HSS/STP/PCRF hands on experience (Huawei Preferred)
• MSS/HSS/STP/PCRF swap from Old Platform to New Platform Hardware/Software
• Project deployment, commissioning and integration of EPC network (EPC, MME, PGW, SGW, SGSN GGSN, PCRF, USN, UGW, Switches, Routers),5GC(AMF,UDM)
• Supporting projects of vIMS Core entities (Knowledge of P/I/S-CSCF, HSS, SLF, TAS(ATS) BGCF, MGCF, MRFC, MRFP, AGW, IBCF) and VoLTE.
• HLD and LLD Preparation
• Responsible for technical communication & clarify with the operator, provide relevant solution with support team towards customer requirement.
• Co-ordination with customer & proactive response to customer queries.
• Knowledge of Internet security framework like ISO 2000, Security Framework Compliance, Support according to project requirements based on different Time zone.
• Ready to travel anywhere as per business needs

Preferred Experiences:

• Bachelor Degree in ECE/Computer Science (IT) / Computer Science/ or related fields.
• Card / Hardware / Module level understanding for NE
• Installation and Commissioning for MSS/MGW and HSS/STP/PCRF hands on experience (Huawei Preferred)
• Nodes understanding (EPC, MME, PGW, SGW, SGSN GGSN, PCRF, USN, UGW, Switches, Routers),5GC(AMF,UDM)
• Working experience on IMS interworking entities (P/I/S-CSCF, HSS, SLF, TAS(ATS) BGCF, MGCF, MRFC, MRFP, AGW, IBCF) and interfaces.
• Call Flows and in-depth NE understanding
• Interfaces and Protocols like Diameter, SIP, SS7 Signaling, etc.
• Cloud and open-stack knowledge is plus
• Cloud NFV & Cloud SAAS, IAAS and PAAS basic knowledge is plus
• CUPS knowledge is Plus
• Knowledge of VoWifi with ePDG is plus.
• Basic IP knowledge to work on layer 2 level
• Understanding of 5GC network elements.
• The candidate must have excellent communication skills, written and verbal both.

Skills:

Network Installation, HLD & DLD, IP knowledge,