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Software Engineer - C, C++ and Routing Protocols

Cisco

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Location:
India , Bangalore

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

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 BGP, a key control plane protocol that enable critical solutions for the Data Center and provide them a competitive edge.

Job Responsibility:

  • 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

Requirements:

  • 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)

Nice to have:

  • Hands-on experience in routing protocols and/or routing infrastructure
  • Experience in manageability frameworks such as YANG/SNMP/XML
  • Good understanding of concepts in operating system, Inter process communication, high availability etc
  • Experience in any Cisco OS – XR, XE or NXOS would be a plus
  • Creative problem-solving skills and excellent troubleshooting/debugging skills
  • Excellent teamwork and people skills

Additional Information:

Job Posted:
April 15, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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