Scan your resume against ATS criteria for this Software Engineer - C/C++ , Dataplane, Forwarding, Layer 2 (EVPN, VPLS) and Layer 3 (SRv6, Segment Routing, MPLS) technologies (5-9 yrs) role at Cisco.
The application window is expected to close on: 12/30/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.
MIG Platform Forwarding team, the engine room behind the world’s most robust service provider networks. We build the high-performance data plane software that powers IOS-XR platforms, leveraging cutting-edge
Network Processing Units (NPUs).
Our team operates at the intersection of hardware and software, defining how packets traverse the internet's backbone. We are transitioning into a new era of embedded development, utilizing modern AI-assisted methodologies to deliver features faster and with higher quality.
As a Software Engineer, you will focus on the hands-on design, coding, and optimization of our forwarding software. You will be responsible for delivering high-quality code for complex Layer 2 and Layer 3 forwarding features , , ensuring they extract maximum performance from our NPUs. You will act as a key technical contributor, utilizing modern software practices and AI-driven workflows to streamline development and debugging.
QOS, Mirroring , Slowpath , OAM, Layer 2 (EVPN, VPLS) and Layer 3 (SRv6, Segment Routing, MPLS) technologies.
NPU Data Plane Programming: Implement data plane logic to optimize packet processing. Translate network protocol requirements into efficient NPU microcode and SDK interactions.
Debugging & Root Cause Analysis: Investigate and resolve complex software defects found during internal testing or customer deployments. Analyze logs, core dumps, and packet traces to distinguish between NPU behavior and software logic issues.
Performance Optimization: Profile and tune code to minimize latency and maximize throughput, ensuring the software meets strict service provider performance metrics.
Modern Development Practices: Actively utilize AI/LLM-based tools for code generation, unit test creation, and static analysis to improve individual productivity and code quality.
Embedded Development: Strong proficiency in **C/C++\
Forwarding Protocols (L2/L3):
Service Provider Context:
Technical Troubleshooting:
Methodology
Modern SDLC: Experience with CI/CD pipelines, Git, and code review processes. Willingness to adopt AI/LLM-based tools to enhance coding efficiency and automated testing.
Minimum Qualifications
- 6-10 years of experience in embedded software development for networking products.
- Strong programming skills in C/C++ and scripting in Python
- Solid knowledge of carrier-grade networking OS and forwarding architectures.
- Experience debugging complex embedded software issues.
- Experience working on tools such as Clearcase, Valgrind, DDTS, GDB, etc.
Preferred Qualifications**
- Experience with **IOS-XR\
- Knowledge of Internet Protocols (TCP/UDP, IPv4/IPv6).
- Exposure to Networking Protocols (L2/L3, QoS, ACLs,).
- Experience with BCM , Sione,, Ezchip NPU programming
- Familiarity with AI/ML tools for software engineering (e.g., Copilot for code, AI for log analysis).
At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.
Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.
We are Cisco, and our power starts with you.
Disclaimer**
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BS/MS in Computer Science, Electrical Engineering, or related field.
or similar carrier-grade network operating systems.
How to apply for Software Engineer - C/C++ , Dataplane, Forwarding, Layer 2 (EVPN, VPLS) and Layer 3 (SRv6, Segment Routing, MPLS) technologies (5-9 yrs) at Cisco?
Click the "Apply on Company Website" button on this page to submit your application directly on the employer's official portal.
What is the salary for this role?
Salary details will be discussed during the interview.
What experience is required?
6+ years of experience is required.
Is this position still open?
Yes, currently active and accepting applications.
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