IMS Core Development Engineer

Location: Hyderabad / Bangalore / Chennai / Kolkata

Experience: 5 to 12 Years

Job Overview

We are hiring an IMS Core Development Engineer with strong expertise in IMS architecture, SIP signaling, VoLTE/VoWiFi, and telecom core network development. The role involves developing and optimizing IMS network elements for next-generation communication services.

Key Responsibilities

- Develop and enhance IMS core nodes such as P-CSCF, I-CSCF, S-CSCF, TAS, SBC, MGCF, MRF, and BGCF.
- Design SIP-based call control, registration, and session management functionalities.
- Work on VoLTE, VoWiFi, eSRVCC, and emergency call handling features.
- Develop Diameter-based interfaces for authentication, authorization, and charging.
- Troubleshoot SIP signaling,



media path, and IMS interoperability issues.
- Support performance optimization, automation, and CI/CD activities.

Required Skills
- Robust knowledge of IMS, SIP, SDP, RTP, and Diameter
- Hands-on experience with VoLTE / VoWiFi call flows
- Proficiency in C/C++, Java, Python, or Shell Scripting
- Experience with Linux, Docker, Kubernetes, VMware/KVM
- Knowledge of Wireshark, SIP debugging, BHCA/TPS, and capacity planning
- Understanding of 3GPP IMS standards and telecom protocols

Thanks & Regards,

Md Shahid, TCS

📌 IMS Core Development Engineer (Hyderabad)
🏢 Tata Consultancy Services
📍 Hyderabad