Job description
Subscriber Data Management (SDM) Engineer / Senior Consultant
Job Summary
We are seeking an experienced Subscriber Data Management (SDM) Professional with solid expertise in telecom core network subscriber databases and identity management solutions. The candidate will be responsible for the design, implementation, integration, administration, and support of Nokia SDM platforms, ensuring reliable subscriber authentication, authorization, provisioning, and data consistency across 4G/5G networks.
The ideal candidate should possess deep knowledge of Nokia SDM architecture including HLR, HSS, UDM, AAA, subscriber provisioning systems, and 5G Core subscriber data management functions.

Key Responsibilities
Subscriber Data Management Operations
Manage and support Nokia SDM solutions serving as the centralized repository for subscriber information.
Administer subscriber identity data including IMSI, MSISDN, External IDs, and related provisioning records.
Ensure data consistency, synchronization, and integrity across multiple network domains and applications.




Perform subscriber data lifecycle management including creation, modification, migration, and deletion.
Authentication & Authorization
Support subscriber authentication and authorization processes across 4G LTE, 5G, Wi-Fi, and other access networks.
Manage authentication credentials, security profiles, and access permissions.
Troubleshoot authentication failures and service access issues.
Service Provisioning & Integration
Configure and maintain subscriber service profiles, QoS parameters, usage limits, and service entitlements.
Support service activation, modification, suspension, and deactivation activities.
Integrate SDM platforms with network functions such as:
HLR
HSS
UDM
AUSF
AAA
PCRF/PCF
OSS/BSS systems
4G/5G Core Network Support
Support LTE EPC and 5G Core subscriber management functions.
Understand and manage UDM-related subscriber data operations in cloud-native 5G environments.
Participate i

📌 Subscriber Data Management (Bengaluru)
🏢 Capgemini Engineering
📍 Bengaluru