Software Engineer
The application window is expected to close on: 11/29/2026
Meet the Team
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The Cisco 8000 Layer 3 Forwarding team develops the IOS XR software that powers packet forwarding on Cisco Silicon One, Cisco’s family of high-performance networking ASICs. As part of Cisco’s Distributed Systems Engineering (DSE) organization, we build scalable, high-performance routing platforms for service providers and hyperscale networks, supporting the growing demands of cloud infrastructure and AI/ML workloads.
Our work connects routing decisions to hardware forwarding behavior—from programming routes and next hops to optimizing forwarding scale, performance, and reliability. We collaborate closely with routing control plane teams to translate routing information into hardware forwarding entries, and with Cisco’s Silicon One ASIC and SDK engineering teams to program the network processors using their software development kit (SDK). These partnerships put our team at the intersection of routing software and networking hardware.
You will contribute across the full development lifecycle, from design and implementation to validation and production troubleshooting. Join a team where your work directly shapes how some of the world’s largest networks move traffic.
Impact
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You are a developer who will design, develop, automate, and execute new hardware or features across complex Network Architectures using C/C++ language. You define and qualify end to end / solution architectures, engage in debugging complex network problems and define solutions. Having worked on network automation, you could demonstrate algorithmic thinking and analytics applications derived from customer use cases.
What you will do:
o Contribute to the development and enhancement of Cisco IOS XR software.
o Play a vital role in the innovation and improvement of software solutions for AI/ML, hyperscalers, and service providers.
o Take ownership of tasks and features with the ability to quickly acquire new skills.
o Address innovative challenges and resolve complex technical problems.
o Work closely with fellow engineers to deliver new functionalities and enhancements to customers.
o Collaborate with tools like Microsoft Copilot and Cisco's internal AI/ML solutions to drive development efficiency.
o Develop new features for the software or design fully automated tests.
o Investigate and troubleshoot issues to ensure reliable and effective solutions.
o Utilize test tools to maintain high-quality standards and ensure the software meets rigorous benchmarks.
o Ga...
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