Cloud Core Network Service Engineer - NCSI NFV (Closing Date 03-Oct-2025)

Job Description

• 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:

• Planning and Designing of HLD/LLD Documents.
• Deployment of cloud core network elements.
• Software Installation and commissioning
• Integration of Network Elements
• Migration of Subscribers/traffic
• Patch Upgrade and Expansion of Existing Network elements
• Network KPI understanding
• Troubleshooting of Network issues.
• Provide technical training, technical guidance, and technical communication for on-site maintenance engineers and customers.
• Installation and Commissioning for MSS/MGW and HSS/STP/PCRF hands-on experience (Telecom 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 & clarification with the operator, providing relevant solutions with the support team towards customer requirements.
• Co-ordination with customer & proactive response to customer queries.
• Knowledge of Internet security frameworks like ISO 2000, Security Framework Compliance, and Support according to project requirements based on different Time zones.
• Ready to travel anywhere as per business needs

Preferred Experiences

• Bachelor's 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 (Telecom 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 OpenStack knowledge is a plus
• Cloud NFV & Cloud SAAS, IAAS, and PAAS basic knowledge is a plus
• CUPS knowledge is Plus
• Knowledge of VoWifi with ePDG is a plus.
• Basic IP knowledge to work on the layer 2 level
• Understanding of 5GC network elements.
• The candidate must have excellent communication skills, both written and verbal.