Senior Engineer

We 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 optimisation of networking features across multiple platforms, including Cisco IOS, IOS-XE, NX-OS, and open networking systems like SONiC.

Responsibilities:

• Lead 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 optimise 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.

Requirements:

• 7-12 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, Macsec, NAT, OPEN SSL.
• 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.

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.

Skills

BGP, C, Linux, MPLS, OSPF, VXLAN