Chance Zibolski
Software Engineering Technical Leader At Cisco at Isovalent
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolChance Zibolski is a software engineering technical leader with 13 years building and operating cloud-native systems, currently leading engineering at Cisco following Isovalent’s acquisition. He blends SRE and software engineering expertise—especially in Go, containers, Kubernetes, and observability—to design resilient, monitorable platforms and to mentor product teams. A long-time contributor to prominent open-source projects like Cilium, Hubble, and Grafana Loki, he has improved metrics, logging, and install experiences used widely in Kubernetes observability. His background ranges from early container work at CoreOS to reliability at Apple and infrastructure for quantum computing at Rigetti, giving him a rare cross-domain perspective on scalability and operational tooling. Colocated in Portland, he’s known for turning hard-to-observe systems into well-instrumented, production-ready services.
13 years of coding experience
11 years of employment as a software developer
Computer Science, Computer Science at Oregon State UniversityTigard High School
Stackoverflow
63reputation
584reached
5answers
0questions
Github Skills (38)
kubernetes10
observability10
ebpf10
go10
prometheus10
cloki10
kubernetes-pods10
go-cobra10
logging10
lokijs10
devops10
cobra10
documentation10
cli10
bash9
Programming languages (30)
Github contributions (5)
cilium/hubble
May 2022 - Jan 2023
Hubble - Network, Service & Security Observability for Kubernetes using eBPF
Role in this project:
Backend Developer
Backend DeveloperContributions:130 reviews, 14 commits, 122 PRs in 8 months
Contributions summary:Chance primarily focused on refactoring the Hubble CLI's usage template to improve the way help flags are displayed for subcommands, utilizing a registration pattern. They implemented changes to the `cmd/common/template/usage.go` file. The user also added a "--first" flag to the `cmd/observe` command to query for earlier flows and events and updated vendored cilium to pickup new First field in observer APIs. The user has also added filter functionality by endpoint workloads and trace ID.
securitytracingebpfnetworkingobservability
cilium/cilium
Sep 2016 - Mar 2025
eBPF-based Networking, Security, and Observability
Role in this project:Full-stack & DevOps Engineer
Full-stack & DevOps EngineerContributions:626 reviews, 100 PRs, 272 pushes in 8 years 8 months
Contributions summary:Chance primarily focused on improving the documentation for Cilium, specifically for Rancher Desktop installation and other getting started guides. The user made changes related to file logging and implemented metrics-related improvements, including adding Prometheus metrics and enhancing support for OpenMetrics. They also updated the codebase to fix architectural issues such as code versioning and build compilation fixes.
bpfcontainerskerneltroubleshootingkubernetes-networking
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