SDM/UDM Solution Integrator/sr.solution Integrator/ tech lead

Spanex Technology; Dadri, Chennai, Bengaluru; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Spanex Technology seeks a telecom engineer to install, configure, and commission Nokia SDM network elements across physical, virtualized, and cloud-native environments. You will integrate SDM with HSS, UDM, AUSF, PCRF/PCF, MME, AMF, and IMS Core Components, and handle subscriber data schemas and authentication parameters.

The role includes SIT/UAT, testing of LTE, VoLTE, and 5G services, plus troubleshooting SDM/HSS/UDM issues, logs, and KPIs, and preparing deployment and handover documents.

Qualifications

• Experience with Nokia SDM deployments and integrations is required.
• Proficiency in configuring subscriber data schemas and authentication parameters.
• Hands-on experience with system upgrades, migrations and patch deployments.

Responsibilities

• Install, configure, and commission Nokia SDM network elements.
• Deploy Nokia SDM solutions in physical, virtualized, and cloud-native environments.
• Integrate SDM with HSS, UDM, AUSF, PCRF/PCF, MME, AMF, and IMS Core Components.
• Configure subscriber data schemas, policies, and authentication parameters.
• Perform database synchronization and migration activities.

Skills

LTE/EPC knowledge

VoLTE understanding

IMS Networks

5G Core Architecture

Tools

Nokia SDM

Nokia HSS

Nokia UDM

Nokia AUSF

Nokia CSF

Nokia CPC

Nokia PCM

Job description

Role & responsibilities

• Install, configure, and commission Nokia SDM network elements.
• Deploy Nokia SDM solutions in physical, virtualized, and cloud-native environments.
• Integrate SDM with:
• HSS (Home Subscriber Server)
• UDM (Unified Data Management)
• AUSF (Authentication Server Function)
• PCRF/PCF
• MME
• AMF
• IMS Core Components
• Configure subscriber data schemas, policies, and authentication parameters.
• Perform database synchronization and migration activities.

Testing & Validation

• Execute System Integration Testing (SIT).
• Perform User Acceptance Testing (UAT).
• Validate Diameter interfaces and subscriber provisioning flows.
• Conduct end-to-end testing for LTE, VoLTE, and 5G services.
• Verify subscriber authentication, registration, and mobility procedures.

Operations & Troubleshooting

• Diagnose and resolve SDM, HSS, and UDM-related issues.
• Analyze logs, traces, alarms, and KPIs.
• Support customer acceptance and commercial launch activities.
• Perform health checks and system audits.
• Execute software upgrades, migrations, and patch deployments.

Documentation

• Prepare:
• Method of Procedure (MOP)
• Low-Level Design (LLD)
• High-Level Design (HLD)
• Test Reports
• Deployment Reports
• Handover Documentation

Required Technical Skills

Nokia Technologies

• Nokia Subscriber Data Management (SDM)
• Nokia HSS
• Nokia UDM
• Nokia AUSF
• Nokia Common Software Foundation (CSF)
• Nokia Cloud Packet Core (CPC)
• Nokia Packet Core Manager (PCM)

Telecom Knowledge

• LTE EPC Architecture
• VoLTE Architecture
• IMS Networks
• 5G Core Architecture