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Lead RRC Protocol Development and Design

Capgemini Engineering

5 - 10 years

Bengaluru

Posted: 31/01/2026

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Job Description

Experience:

12+ years in wireless communication systems with strong expertise in RRC protocol development and design, including 5G and Non-Terrestrial Networks (NTN).

Responsibilities:

* Lead the design, development, and optimization of RRC (Radio Resource Control) protocols for 5G/NTN systems for UE Modem protocol stack.

* Architect and implement protocol stack components, ensuring compliance with 3GPP standards

* Drive end-to-end design reviews, performance analysis, and enhancements for RRC layers.

* Collaborate with cross-functional teams (Layer 2/Layer 3, PHY, MAC) to ensure seamless integration and interoperability.

* Define and maintain protocol specifications, design documents, and test plans.

* Analyze and resolve complex issues related to mobility management, session handling, and signaling procedures.

* Work closely with system architects to incorporate NTN-specific features into RRC design.

* Mentor and guide junior engineers, fostering technical excellence within the team.

* Stay updated on 3GPP releases, emerging technologies, and industry best practices for RRC and NTN.

* Participate in customer discussions, technical workshops, and contribute to roadmap planning.

Technical Skills:

* Deep understanding of RRC protocol architecture, signaling flows, and state machines.

* Hands-on experience in 5G NR and NTN protocol development for UE protocol stack.

* Strong knowledge of 3GPP specifications (Rel-15 onwards).

* Proficiency in C/C++ programming for embedded systems.

* Experience with protocol debugging tools

* Familiarity with simulation environments and test frameworks for protocol validation.

* Exposure to multi-threaded programming, real-time operating systems, and performance optimization.

Preferred Skills:

* Knowledge of L2/L3 protocols and interaction with RRC.

* Experience in NTN-specific challenges.

* Strong problem-solving and analytical skills.

* Excellent communication and leadership abilities.

Qualifications:

BE/B.Tech/M.Tech in Electronics, Telecommunications, or related field.

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