Design, build, and sustain critical routing protocol and infrastructure components used across Cisco platforms.
Directly impact production networks operating at massive scale across enterprise, service provider, cloud, and AI infrastructure environments.
Designing and implementing enhancements to BGP Routing protocol.
Building systems that scale efficiently, are secure by design, and provide strong programmability, observability and debuggability in production.
Debugging complex system-level issues in large-scale, multi-threaded environments, including high-priority customer escalations.
Owning issues end-to-end — from root cause analysis through fix development, validation, and deployment.
Representing Cisco in IETF forums and technical discussions; contributing to protocol evolution and influencing standards where appropriate.
Collaborating closely with platform, hardware, and test teams to validate performance, scale limits, and system behaviour.
Mentoring junior engineers and contributing to a culture of technical rigor and ownership.
Contributing to innovation initiatives, including Cisco’s Patent Program.

Master’s degree with 4+ years or Bachelor’s degree with 6+ years of relevant experience
Strong experience developing software in multi-threaded environments with excellent problem-solving skills.
Practical experience with Data Structures, Operating Systems and Concepts of Data Networking
Programming experience (C, C++)
Script languages (Perl, Python)
Familiarity with Unix/Linux
Exposure to development of software for large/complex network devices including routing & switching systems.
Understanding of networking fundamentals and protocols (ex: TCP/IP, Ethernet)

Software Engineer

Key skills