L2 / L3 Protocol Development Lead Engineer / Senior Lead Engineer / Architect - Cisco IOS

Job Description : Lead / Senior Lead Engineer / Architect - L2 / L3 Protocol Development (Cisco IOS)

Location : Bangalore, India

Experience : 6 - 18 Years

Designation : Lead Engineer / Senior Lead Engineer / Architect

Position Overview

We are seeking an accomplished and highly motivated Technical Lead with deep expertise in L2 / L3 network protocol development to join our core engineering team. In this role, you will be responsible for designing, developing, and maintaining critical protocol software on industry-leading Cisco platforms like IOS, IOS-XE, and NX-OS.

This is a hands-on technical leadership position where you will tackle everything from full-scale protocol development to resolving complex, time-sensitive bugs. You will leverage your strong C programming skills and deep understanding of network architecture to build robust, scalable, and high-performance networking solutions.

Key Responsibilities

• Design & Development : Lead the design, implementation, and maintenance of L2 / L3 protocol features on Cisco's networking operating systems.
• Protocol Ownership : Take ownership of the complete development lifecycle for key protocols, including feature enhancements and full or partial protocol stack development from scratch.
• Debugging & Bug Fixes : Act as an escalation point for complex technical issues. Perform deep-dive analysis and debugging of critical bugs in a multi-threaded environment.
• Architecture Contribution : Contribute to the software architecture for L2 / L3 components, ensuring designs are scalable, resilient, and maintainable.
• Code Excellence : Write high-quality, high-performance C code in a Linux-based environment, utilizing best practices for Multi-Threading and Socket Programming.
• Technical Leadership : Mentor junior engineers, lead technical discussions, and conduct code reviews to ensure adherence to coding standards and best practices.

Required Skills & Qualifications (Must-Haves)

Core CS Fundamentals :

L2 Protocol Expertise :

In-depth knowledge and development experience in protocols such as :

L3 Protocol Expertise :

In-depth knowledge and development experience in protocols such as :

Desired Skills & Qualifications (Added Plus)

Notice Period :

This is a high-priority requirement. Candidates who are immediate joiners or are currently serving a notice period of 30 days or less are strongly preferred.

ref : hirist.tech)