Senior Software Developer - Cisco 8000 SDK

The application window is expected to close on: 03/31/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Meet the Team We are thrilled to announce an exciting opportunity to join the Cisco 8000 router software team as a Senior C++ Software developer working on the Silicon One NPU forwarding ASIC SDK. The Cisco 8000 family of routers powers the internet and is deployed by all major AI/ML Hyperscaler networks. As the product family evolves, we are seeking talented software engineers to drive our continued innovation. If you are passionate about developing world-class products that are changing the Internet and AI/ML networks and want to work with amazing people, we invite you to join us! Your Impact Develop software in C++ and Python for the SiOne NPU SDK, which is central to the Cisco 8000 platforms. The SiOne NPU family of ASICs is rapidly evolving with an ambitious roadmap. Add new capabilities to the SDK, enabling Cisco 8000 customers to expand and enhance their networks. Able to analyze feature requirements, be able to lead the software design, and implementation and test the new software features. Ability to work independently but receives guidance and direction from their SW leader but then determines the best approach to complete the work Quality driven and delivers high quality designs and code that is well tested Able to guide junior software developers, and if required lead small teams of SW teams as needed Validate software functionality on standalone SDK simulators and hardware boards before integration with the Cisco 8000 systems team. Support and maintain the existing SDK and NPU family as deployed on the Cisco 8000 platform. Collaborate with the current SDK software team, gaining in-depth knowledge of world-class silicon, programming models, and the Cisco 8000 platform. Collaborate as needed with Principle Software Engineers and ASIC leads on designs and solutions. Utilize AI tools to assist in software development and testing. Work cross-functionally with teams in the US, India, and Israel. Join a team of dedicated engineers with a proven track record of delivering industry-leading products for today's internet and AI/ML networks. Minimum Requirements Bachelor's degree or higher in Computer Science or a related field. 5+ years in C++ and Python. 5+ years in Object Oriented programming 5+ years working in a Linux environment. 3+ years working with networking technologies and concepts including packet forwarding Preferred Qualifications Experience developing embedded systems and working with network processing units (NPUs). Experience with routers, routing protocols. Experience with AI-powered coding tools (e.g., GitHub Copilot, Codex, Cursor AI, Windsurf). Experience with VSCode and GitHub. Cisco may use AI Tools to review candidate-provided details—such as skills, experience, location, and education—to determine how closely candidates match job criteria. AI Tools are intended to guide and support the recruitment team in identifying and prioritizing candidates but are not used in isolation or without human judgment. For more information about Cisco’s use of AI please see the Job Candidate Privacy Statement found here. Why Cisco? 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. Be ... (truncated, view full listing at source)