Lead RRC Protocol Development and Design
Capgemini Engineering
5 - 10 years
Bengaluru
Posted: 12/02/2026
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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