Software Engineer - C/C++ , Dataplane, Forwarding, Layer 2 (EVPN, VPLS) and Layer 3 (SRv6, Segment Routing, MPLS) technologies (5-9 yrs)

Cisco
Bengaluru
Workplace: HybridFull timeFunction: Software EngineeringExperience: 6-10 yearsEducation: mastersSkills: ["Root cause analysis","Debugging","Performance optimization","Log analysis","Code review"]

Design, code, and optimize high-performance Layer 2 and Layer 3 forwarding features for IOS-XR platforms. Own development of QoS, mirroring, slowpath, OAM, EVPN/VPLS and SRv6/segment routing/MPLS capabilities, and implement NPU data-plane logic to maximize packet-processing performance. Investigate complex defects using logs, core dumps, and packet traces, then profile and tune latency/throughput to meet carrier-grade service provider metrics. Leverage AI/LLM tools for faster development and higher-quality testing.

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FursaFursa
Cisco
Cisco
4 days ago

Software Engineer - C/C++ , Dataplane, Forwarding, Layer 2 (EVPN, VPLS) and Layer 3 (SRv6, Segment Routing, MPLS) technologies (5-9 yrs)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live

Job Summary

Design, code, and optimize high-performance Layer 2 and Layer 3 forwarding features for IOS-XR platforms. Own development of QoS, mirroring, slowpath, OAM, EVPN/VPLS and SRv6/segment routing/MPLS capabilities, and implement NPU data-plane logic to maximize packet-processing performance. Investigate complex defects using logs, core dumps, and packet traces, then profile and tune latency/throughput to meet carrier-grade service provider metrics. Leverage AI/LLM tools for faster development and higher-quality testing.
Location: Bengaluru
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and develop forwarding features within the IOS-XR platform, writing high-performance production code for QoS, Mirroring, Slowpath, OAM, EVPN/VPLS, and SRv6/Segment Routing/MPLS technologies.
  • •Implement NPU data-plane programming to optimize packet processing, translating network protocol requirements into efficient NPU microcode and SDK interactions.
  • •Debug and perform root cause analysis for complex software defects from internal testing or customer deployments using logs, core dumps, and packet traces.
  • •Profile and tune code to minimize latency and maximize throughput while meeting strict service provider performance metrics.
  • •Use modern development practices and AI/LLM-based tools for code generation, unit test creation, and static analysis to improve productivity and code quality.

Key Requirements

  • •BS/MS in Computer Science, Electrical Engineering, or a related field.
  • •6-10 years of experience in embedded software development for networking products.
  • •Strong C/C++ programming skills and Python scripting for test automation.
  • •Solid knowledge of carrier-grade networking OS and forwarding architectures.
  • •Experience debugging complex embedded software issues, including using tools such as Clearcase, Valgrind, DDTS, and GDB.
Experience:6-10 yearsEmbedded software developmentNetworking productsService provider networks
Education:Master's
Skills:Root cause analysisDebuggingPerformance optimizationLog analysisCode review
Tech Stack:C/C++PythonIOS-XRCI/CDGitClearcaseValgrindDDTSGDBNPUSilicon OneSiOneBroadcom DNXEzChipNPU microcodeSDKQosMirroringSlowpathOAM

Company Brief

Cisco
Global technology company that designs, manufactures, and sells networking hardware, telecommunications equipment, and high-technology services and products for enterprises, service providers, and governments worldwide.
Industry: Networking Equipment
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Jose, United States
Founded: 1984
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