> Markdown version of [/jobs/ext/4418977-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/4418977-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Cisco Systems, Inc. - **Location:** Milpitas, CA, United States - **Experience:** Expert - **Salary:** $167,700.0 - $245,200.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, JIRA, Automation of Tests, Border Gateway Protocol, System Configuration, Network Congestion, Data Centers, Cursor, Software Debugging, Programming Tools, Python (Programming Language), Open Source Technology, Remote Direct Memory Access, AI Infrastructure, Scripting, Computer Networking Systems, Application Specific Integrated Circuits, Git, Data Center Networking, Cisco Switches, Cisco, Jenkins - **Published:** October 7, 2026 - **Apply:** https://diversityjobs.com/career/16172860/Software-Engineer-California-Milpitas ## About the Role * Bachelors + 7 years of related experience OR Masters + 4 years of related experience OR PhD + 1 year of related experience. * 5+ years' experience developing routing/switching features, with test automation * 3+ years' experience configuring, debugging networking systems and solutions * 3+ years' experience using scripting languages including Python * Knowledge of control & data plane technologies including L2, L3, BGP, EVPN, VXLAN Our Preferred Qualifications for this role: * Exposure to open source NoS SONiC * Familiarity with RDMA, RoCE and HPC networks * Knowledge of QoS and congestion control mechanism in data center network * GIT, Jira, Jenkins and CI/CD pipeline tools. * Familiarity with AI Assisted development tools like co-pilot, cursor, windsurf ## Description You will be part of a team of engineers involved in the development of software for our next-generation data center switching, which is critical for AI Infrastructure for Hyperscalers and the Cisco Hyperfabric project. Your role involves: * Define, architect, design, test, and deliver new features and solutions on Cisco switches using open-source SONiC. * Provide constant feedback to hardware and software teams for improvements and write functional and design specs independently. * Collaborate with cross-functional teams including ASIC SDK, Product Management, CX, and Open Source community groups. * Interact and Innovate through close collaboration with Distinguished and Principal engineers with a focus on Scale, Performance, and Reliability. * Drive end-to-end product development and production support in a fast-paced, evolving environment.