HSS/HLR Lead
TATA Consultancy Services Ltd
Delhi, India
Type: Full-Time Arrangement: On-Site
10 - 15 Yrs1800000 - 3000000(Annually)
Posted: 4 Aug 2026
Job Description
Job Role: HSS/HLR Co. Lead
Experience: 10 to 15 years in Telecommunication with strong HSS/HLR product knowledge.
Responsibilities:
Lead end-to-end HSS/HLR feature design and development.
Own Diameter, MAP/SS7, subscriber database, and service-logic implementation.
Provide hands-on guidance in C/C++, Linux, multithreading, debugging, and performance optimization.
Drive design reviews, code reviews, unit and integration testing, release management, and RCA.
Ensure 3GPP compliance, interoperability, high availability, scalability, and data consistency.
Mentor developers and coordinate delivery across development, testing, deployment, and support teams.
Experience: 10 to 15 years in Telecommunication with strong HSS/HLR product knowledge.
Responsibilities:
Lead end-to-end HSS/HLR feature design and development.
Own Diameter, MAP/SS7, subscriber database, and service-logic implementation.
Provide hands-on guidance in C/C++, Linux, multithreading, debugging, and performance optimization.
Drive design reviews, code reviews, unit and integration testing, release management, and RCA.
Ensure 3GPP compliance, interoperability, high availability, scalability, and data consistency.
Mentor developers and coordinate delivery across development, testing, deployment, and support teams.
Required Qualifications
- 10+ years of telecommunications experience
- HSS/HLR product knowledge
- Diameter protocol expertise
- MAP/SS7 protocol expertise
- Subscriber database management
- Service-logic implementation
- C/C++ programming
- Linux environment
- Multithreading
- Debugging
- Performance optimization
- 3GPP compliance standards
Preferred Qualifications
- Release management
- Root Cause Analysis (RCA)
- Interoperability testing
- High availability & scalability architecture
- Team mentoring & leadership
- Design & code review facilitation
Skills Required
HSSHLRDiameterMAPSS7C++CLinuxMultithreadingDebuggingPerformance Optimization3GPP StandardsTelecommunicationsSubscriber DatabaseService LogicRelease ManagementRoot Cause AnalysisTeam MentoringSystem ArchitectureInteroperability Testing