Cisco

Software Engineer – C/C++, Networking, Routing Protocol

Cisco

full-time

Posted on:

Location Type: Hybrid

Location: Chennai • India

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Tech Stack

LinuxPerlPythonSwitchingUnix

About the role

  • 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.
  • 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 or Bachelor’s degree with ~4+ 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 infra structure
  • Creative problem-solving skills and excellent troubleshooting/debugging skills
  • Excellent teamwork and people skills.
Benefits
  • Competitive salary
  • Flexible working hours
  • Professional development opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
OSPFIS-ISEIGRPRIPBGP-LSFHRPCC++PerlPython
Soft Skills
problem-solvingdebuggingteamworkmentoringcreativitytechnical rigorownershipcollaborationcommunicationinfluence