Lead Software Engineer, Cloud Native Load Balancer (Go/K8s)

Cisco; Brussel; On-site; EUR 80,000 - 110,000; Full time

Job summary

Cisco Isovalent is seeking a skilled Software Engineer to develop the next generation load balancer using the Cilium-based technology. You will drive a standalone eBPF load balancer enabling scalable, secure traffic management in cloud and hybrid enterprise environments.

You will collaborate with a highly skilled team to advance networking and security in Kubernetes, lead architecture discussions, and ensure performance, reliability, and code quality across the stack.

Qualifications

• Bachelor's degree in Computer Science or a related field is required.
• 5+ years of experience in load balancing software development, preferably using Go.
• Experience with Kubernetes, cloud-native workloads or distributed systems.
• Knowledge of Linux kernel, networking, and security is a plus.

Responsibilities

• Define and evolve the architecture of an enterprise-grade load balancer.
• Lead the data plane, control plane, and orchestration tooling for scalable traffic in Kubernetes.
• Guide the team through technical decisions, design reviews, and performance optimizations.
• Collaborate with product, engineering, and customer teams to align technical direction with business needs.
• Uphold engineering best practices and code quality for operational excellence.

Skills

Go

Kubernetes

Distributed systems

Load balancing

Education

Bachelor's degree in Computer Science or related field

Job description

Cisco Isovalent is seeking a skilled Software Engineer to develop the next generation load balancer using the Cilium-based technology. You will drive a standalone eBPF load balancer enabling scalable, secure traffic management in cloud and hybrid enterprise environments.

You will collaborate with a highly skilled team to advance networking and security in Kubernetes, lead architecture discussions, and ensure performance, reliability, and code quality across the stack.