Software Engineering Technical Leader- Forwarding (L2/L3)

The application window is expected to close on: 03/27/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. This is a hybrid role, located in San Jose, CA and requires being in the office 3 days a week. Meet the Team In the Data Center Business Unit at Cisco, we are dedicated to driving innovation in networking technologies. Our focus is on developing groundbreaking Ethernet Switching products that address the evolving needs of modern network infrastructures, including those in AI, cloud computing, and enterprise environments. In this role, you will have the opportunity to learn a wide range of core Ethernet Technologies with architectural exposure to craft and develop Ethernet Switching as applied to both Public and Private cloud infrastructure. You will work on the intricacies of the critically important infrastructure that enables the world-class, multi-layered Nexus switches. In addition, you will have the opportunity to participate in multi-functional collaboration and be exposed to all facets of the software development cycle from innovation and marketing requirements to product delivery. Your Impact In this role, you will spearhead the development of advanced Ethernet Switching solutions, directly contributing to the improvement of modern network infrastructures. Your work will focus on designing and implementing system software that boosts the performance, scalability, and reliability of Cisco's Nexus switches. By engaging with cross-functional teams, you will facilitate seamless product integration and ensure successful market delivery. Your expertise will empower businesses to achieve digital excellence and transform their operations, ultimately shaping the future of networking technology. Design and develop system software for Data Center products based on Silicon One based ASICs. Develop features targeted for AI/ML use cases and deployments. Develop SDK for next-generation feature-rich network ASIC. Collaborate with cross-functional teams to take developed products to market. Innovate through close collaboration with distinguished engineers, focusing on scale, performance, and reliability. Minimum Qualifications: Bachelor's in a STEM field with 8+ years of experience in software development Experience in C/C++ programming in Linux environment Experience with network programming and protocols, such as BGP or OSPF, and knowledge of L2, L3, ACL, QoS, or Telemetry Preferred Qualifications: Experience in SDK development for network ASICs Experience switch/router software development Experience with operating systems and distributed systems Experience using Linux in Networking Environment Experience with Python scripting 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. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. Message to applicants applying to work in the U.S. and/or Canada: The starting salary range posted for this position is $183,800.00 to $263,600.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits. Individual pay is determined by the candidate's hiring location, market conditions, job-related skil ... (truncated, view full listing at source)