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TECHNICAL LEAD - Embedded C

Happiest Minds · Bangalore

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Collected role description

Role overview

TECHNICAL LEAD - Embedded C at Happiest Minds

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 to 11 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.
  • Knowledge of programmable packet pipelines (e.g., P4).
  • Familiarity with DevOps tools and CI/CD pipelines for network software.
  • Exposure to open networking and white-box switch ecosystems.

Preferred qualifications and skills

  • Desirable Skills: Experience with SONiC Network Operating System (NOS).

Employment details

  • Location: Bengaluru

Additional role details

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

Collected experience requirement

8-11 years