Sr Software Engineer - Data Center

## The application window is expected to close on: 06/05/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. ## This is a hybrid position requiring 2-3 days a week onsite at our office located in Milpitas, CA ## Meet the Team This is a role within Cisco's Cloud Networking Business Group (CNBG). You will have opportunity to develop & support software for the Nexus 9000/3000 Data Center product lines and be a key part of Cisco's Data Center strategy that features application awareness to make the network infrastructure flexible and agile for dynamic response to application needs and virtual machine workload mobility. We are looking for someone who strives in a fast-paced dynamic environment. ## Your Impact You will be part of a dedicated team that has epitomized open communications, empowerment, innovation, collaboration and customer success. You will work with a diverse group of some of the brightest problem solvers and thinkers in the Data Center Switching Services Team that work on QoS, Security, ACL, NAT, Telemetry, PTP, Load Balancing, Service Chaining, Ultra Low Latencies technologies for current & next generation Data Center & Cloud switches. ## Responsibilities - Define, design, deliver and support SDK, P4 code, Software modules for Cisco/merchant ASIC Data Center Switch Platforms - Write complete functional and design specs - Design, develop & debug large portions of software independently and rapidly - Learn existing & maintain wide range of Data Center products & technologies ## Requirements - Bachelors degree in STEM discipline - 6+ years of professional experience in Engineering - Programming with C, C++ and/or Python - Debugging experience with GDB or a similar tool - Embedded system software development including things such as; - switches/routers, - driver development, OS kernel, hardware programming and/or related areas ## Nice to Have - L2/L3 Ethernet switching and routing protocols - Knowledge of Data Center technologies like VxLAN/EVPN, SR/MPLS, ECMP, Multi-Site Fabrics, Controllers, QoS, Security Policies, ACL, NAT, PBR, PFC, Load balancing, Service chaining - Performance engineering, Routing Scale, Upgrades, OpenConfig, Patching - NetFlow, sFlow, INT, Flow Telemetry - Developing SDK, P4, using ASIC Emulators & Sim modules ## 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 be part of a company that’s shaping the future of technology.