Software Engineer designing and building routing protocol components for Cisco networking systems. Involves critical enhancements, debugging, collaborations, and mentoring within large-scale environments.
Responsibilities
Design and implement enhancements to IGP protocols (OSPF, IS-IS, EIGRP, RIP), BGP-LS, and FHRP technologies.
Develop and evolve routing infrastructure components such as route-policy frameworks, filtering mechanisms, prefix distribution systems, and control-plane integration modules.
Build systems that scale efficiently, are secure by design, and provide strong programmability, observability, and debuggability in production.
Debug complex system-level issues in large-scale, multi-threaded environments, including high-priority customer escalations.
Own issues end-to-end — from root cause analysis through fix development, validation, and deployment.
Represent Cisco in IETF forums and technical discussions; contribute to protocol evolution and influence standards where appropriate.
Collaborate closely with platform, hardware, and test teams to validate performance, scale limits, and system behavior.
Mentor junior engineers and contribute to a culture of technical rigor and ownership.
Contribute to innovation initiatives, including Cisco’s Patent Program.
Requirements
Master’s degree or Bachelor’s degree with ~8+ 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.
Experience in any Cisco OS – XR, XE or NXOS would be a plus
Hands-on experience in routing protocols and/or routing infrastructure
Benefits
Health insurance
Retirement plans
Flexible work arrangements
Professional development
Job title
Software Engineer – Routing Protocol, Infra Charter Software Development
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