Software Engineer | Routing protocol and infra charter software development | 8-12 years
Cisco · Chennai, India · Product and Engineering
About this role
Cisco is hiring a senior-level Software Engineer based in Chennai, India. The posting calls out experience with Python, C, Linux, Networking and roughly 8+ years of relevant work. Listed education preference: a master's degree or equivalent.
- Role
- Software Engineer
- Function
- software engineering
- Level
- senior
- Track
- Individual contributor
- Employment
- Full-time
- Location
- Chennai, India
- Experience
- 8+ years
- Education
- Master's degree
- Department
- Product and Engineering
- Posted
- Mar 9, 2026
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Job description
from Cisco careersMeet the Team
The DSE Platform Independent Common (PI-Common) group develops high-performance, platform-independent system software that runs across Cisco’s flagship routers and switches. We design and deliver core routing protocols and infrastructure components that power Cisco’s Mass Scale Infrastructure, Cloud Networking, and Network Experience portfolios.
Our team owns the architecture, implementation, and lifecycle of key control-plane technologies including IGP routing protocols (OSPF, IS-IS, EIGRP, RIP), BGP-LS, First Hop Redundancy Protocols (HSRP/VRRP/GLBP), and routing infrastructure components such as route-policy frameworks, prefix handling, filtering, and control-plane scalability mechanisms.
These components form the foundation of networking deployments across enterprise, service provider, cloud, and AI infrastructure environments — where scale, resiliency, security, programmability, and operational debuggability are critical.
Your Impact
As a Software Engineer in PI-Common, you will design, build, and sustain critical routing protocol and infrastructure components used across Cisco platforms. Your work will directly impact production networks operating at massive scale across enterprise, service provider, cloud, and AI infrastructure environments. Key responsibilities include:
- Designing and implementing enhancements to IGP protocols (OSPF, IS-IS, EIGRP, RIP), BGP-LS, and FHRP technologies.
- Developing and evolving routing infrastructure components such as route-policy frameworks, filtering mechanisms, prefix distribution systems, and control-plane integration modules.
- Building systems that scale efficiently, are secure by design, and provide strong programmability, observability and debuggability in production.