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# Software Engineering Technical Leader

- **Company:** Cisco
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Border Gateway Protocol, Cloud Engineering, Code Review, Computer Networks, Software Debugging, Linux, Distributed Systems, Network Security, Linux Kernel, Routing, Open Shortest Path First (OSPF), Open Source Technology, Software Engineering, Data Center Networking, Kubernetes, Information Technology, Cisco
- **Published:** November 11, 2026
- **Apply:** https://dejobs.org/x/x/40F5A3BC8AA04EA7A619A8CFBAF4D9C0/job/

## About the Role

* Bachelors Computer Science degree, or related fields
 * 5+ years of experience programming in Go
 * 2+ years of experience in eBPF
 * Experience with Kubernetes, Cloud Native workloads and/or distributed systems
 * Experience with routing protocols (BGP, OSPF or similar) - implementation and/or hands on.

Preferred Qualifications:

 * Experience with Linux systems design, security and/or networking, Linux kernel
 * Experience designing and implementing APIs
 * Experience with Data Center Networking technologies - EVPN/VXLAN, SRv6 or similar
 * A public track record of open-source code commits is a plus

## Description

Cisco Isovalent is seeking a skilled and experienced Software Engineer troubleshoot, mature and improve the reliability and scalability of Isovalent Products. You will be responsible for building and enhancing a Kubernetes-native control plane to provide seamless management of its network traffic, enabling scalable, secure, and resilient traffic management in cloud and hybrid enterprise environments. You will work with a highly collaborative and skilled team to build solutions that advance the next generation of networking and security in Kubernetes environments.

 * Developing high-quality Go and eBPF code for Cilium OSS and Enterprise, while following open source development principles and best practices.
 * Debug, troubleshoot, and resolve performance, reliability, and security issues in the control plane.
 * Design highly scalable solution to reliably run Cilium in very large environments.
 * Participate in code reviews, architectural discussions, and contribute to technical documentation.