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Principal Software Engineer, Load Balancer - Isovalent

Cisco Systems Denmark Zurich, Switzerland / Amsterdam, Netherlands / Athens, Greece / Barcelona, Spain / Berlin, Berlin, Germany / Brussels, Belgium / Bucharest, Bucureşti, Romania / Budapest, Budapest, Hungary / Copenhagen, Capital, Denmark / Dublin, Dublin, Ireland / Krakow, Poland / London, United Kingdom / Oslo, Norway / Paris, Paris, France / Prague, Praha, Czechia / Rome, Roma, Italy / Stockholm, Sweden / Warsaw, Poland Posted 13 Sept 2026 Cisco Systems Denmark verified public ATS · technology-digitalFully remoteSenior specialist
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Summary

Develop a standalone eBPF load balancer for cloud and hybrid enterprise environments. The role leads architecture, data-plane and control-plane development, and technical decisions for scalable traffic management in Kubernetes.

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Opportunity summary

Employment type: FULLTIME. Requisition: 1448616. Hours: 40 hours per week. Principal Software Engineer, Load Balancer - Isovalent Remote Europe Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF.

Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice of numerous, industry-leading, global organizations. We believe in fostering an inclusive and diverse workplace where every team member feels valued, respected, and empowered.

We believe that every employee contributes to our success, and we are committed to fostering an environment where everyone can thrive. We encourage candidates from all backgrounds to apply and join us in our mission to deliver exceptional products and services.

About this role

Cisco Isovalent is seeking a skilled and experienced Software Engineer to develop its next generation Load Balancer leveraging the technology developed with Cilium. You will be responsible for driving forward a standalone eBPF load balancer, enabling scalable, secure, and resilient traffic management in cloud and hybrid enterprise environments1 …

This is a shortened extract from the public vacancy. Follow the original posting for the complete and authoritative description.