MODULE LEAD - L2/L3

Role overview

MODULE LEAD - L2/L3 at Happiest Minds

Lead the design and development of L2/L3 network protocol features and enhancements.

Role Summary We are seeking experienced professionals to take on the role focused on L2/L3 networking protocol development.

This role involves leading design, development, debugging, and optimization of networking features across multiple platforms including Cisco IOS, IOS-XE, NX-OS, and open networking systems like SONiC.

Responsibilities

• Own and drive the implementation of new networking functionalities in C on Linux platforms. (C, Linux kernels are mandatory) Debug and fix issues in existing protocol implementations and improve software stability.
• Architect and optimize multi-threaded and socket-based communication systems.
• Work closely with cross-functional teams to integrate features into existing systems (Cisco OS and SONiC NOS).
• Provide technical mentorship to junior engineers and contribute to design/code reviews.
• Collaborate with QA and support teams for validation, testing, and issue resolution.
• Document software design, architecture, and troubleshooting guides.

Required qualifications

• 8?10 years of hands-on experience in L2/L3 protocol development.
• Strong programming skills in C, OS within Linux environments(Mandatory) Experience with networking protocols such as: Layer 2: VLAN, STP, RSTP, MSTP, VXLAN, LLDP, LAG Layer 3: BGP, OSPF, RIP, EIGRP, IGMP, PIM, MPLS, GRE, IPSec Proficiency in Multi-threading and Socket Programming.
• Excellent knowledge of data structures and memory management.
• Experience with Cisco operating systems ?
• IOS, IOS-XE, NX-OS.Strong understanding of software architecture and modular design for networking systems.

Employment details

• Location: Bengaluru

Additional role details

• The ideal candidate will have deep expertise in C programming, Linux environments, and protocol-level software design.