Datacom Developer

2 weeks ago

Bengaluru, India Happiest Minds Technologies Full time

Role: Senior Engineer / Lead Engineer / Senior Lead Engineer / ArchitectExperience: 6 to 16 YearsLocation : Bangalore, Chennai, HyderabadRole SummaryWe are seeking experienced professionals to take on the role focused on L2/L3 networking protocol development. The ideal candidate will have deep expertise in C programming, Linux environments, and protocol-level software design. This role involves leading design, development, debugging, and optimization of networking features across multiple platforms and open networking systems.Key ResponsibilitiesLead the design and development of L2/L3 network protocol features and enhancements.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.Skills and Qualifications:6–16 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, LAGLayer 3: BGP, OSPF, RIP, EIGRP, IGMP, PIM, MPLS, GRE, IPSecProficiency 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.Desirable Skills:Experience with SONiC Network Operating System (NOS).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.

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