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Senior Software Engineer | C Programming and Routing Protocols

Senior Software Engineer | C Programming and Routing Protocols

Cisco

9 - 14 years

11 - 16 Lacs

bengaluru

Posted:2 days ago| Platform:

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Skills Required

networking memory management routing protocols debugging multithreading tcp switching network automation python software development ip bgp nx snmp ospf artificial intelligence os internals computer science software engineering protocols ipc ml

Work Mode

Work from Office

Job Type

Full Time

Job Description

Meet the Team
Ciscos Distributed Systems Engineering (DSE) team builds the foundational software that powers the worlds largest, most demanding data centers . The PI-Common team is at the core if this, as we build the routing protocols and infra, that are the heart of data centers. As AI/ML workloads explode and cloud-scale infrastructure becomes the norm, the industry is transformingand Cisco is leading the way.
Our NX-OS operating system, running on industry-leading Cisco Nexus switches , delivers the performance, programmability, and reliability needed for modern data center networks. At DSE, we combine open-source innovation, deep systems engineering, and hardware-software co-design to build platforms that scale globally and evolve rapidly.
Were looking for passionate engineers who thrive on solving complex problems, building distributed systems, and working hands-on with real-world infrastructure.Your Impact
Youll be part of a high-performing team driving innovation across Ciscos data center portfolio , which includes Nexus 9000 series switches , NX-OS , and technologies like Routing Protocols, Routing Infra, Virtualization, VXLAN EVPN , segment routing , and telemetry . Youll engage closely with senior engineers, architects, and open-source communities, influencing product direction and technical strategy.
Minimum Qualifications

B.E./B.Tech in Computer Science, ECE, or a related field

59 years of software development experience

Strong proficiency in C programming in multi-threaded, embedded environments

In-depth understanding of routing protocols such as OSPF , ISIS , and BGP

Solid grasp of networking fundamentals (TCP/IP, multicast, switching, forwarding)

Experience working with or developing for NX-OS or similar network operating systems

Strong understanding of OS internals , IPC , memory management , and HA systems

Familiarity with YANG , SNMP , or model-driven telemetry

Experience in scripting with Python

Strong problem-solving and debugging skills

Excellent communication and collaboration skills

Preferred Qualifications

Exposure to data center protocols such as Routing, VXLAN , EVPN , or segment routing

Exposure to open-source tools, network automation, or configuration frameworks

Prior experience building infrastructure at scale

Why Cisco
At Cisco, we dont just build productswe build the internet . Nearly every data packet in the world touches Cisco hardware or software. Our data center platforms serve as the backbone for hyperscalers, enterprises, and mission-critical services globally.
We combine the stability of a global brand with a culture of innovation . Youll work on meaningful technology, grow with the best minds in the industry, and help create the next wave of networking solutions AI-ready, cloud-native, and highly programmable .
We support individuality, diversity, and continuous learning. And yes, we give backevery Cisco employee gets dedicated days each year for community impact.Ready to engineer the futureApply now and join the PI-Common team at Cisco DSE.

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Senior Software Engineer | C Programming and Routing Protocols