Jun Sun
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolJun Sun is a cloud and DevOps engineer with 8 years of experience specializing in Azure Kubernetes Service (AKS) and CLI tooling, based in Seattle. He has contributed substantial enhancements to high-profile Azure open-source projects—azure-cli, azure-cli-extensions, and acs/aks-engine—implementing AKS add-ons, load balancer and node public IP support, FIPS-enabled OS features, and CIS benchmark-driven configuration hardening. His work spans backend CLI improvements, infrastructure templates, and API-server/network refinements, demonstrating a deep operational understanding of cloud-native clusters and secure configurations. With an MS in Computer Science and a PhD background in Mechanical Engineering from Penn State, he blends rigorous academic problem-solving with pragmatic cloud engineering. An often-overlooked strength is his ability to translate low-level platform constraints into user-facing CLI features that simplify cluster operations.
8 years of coding experience
Master of Science, Computer Science and Engineering, Master of Science, Computer Science and Engineering at Penn State University
English, Chinese
Github Skills (29)
kubernetes10
docker10
python10
command-line-interface10
cloud-infrastructure10
microsoft-azure10
dockers10
azure-cli10
azure-aks10
azure-kubernetes-service10
kubernetes-pods10
command-line10
azure10
cloud-services10
k8s10
Programming languages (7)
Github contributions (5)
Azure/acs-engine
Dec 2017 - Aug 2018
WE HAVE MOVED: Please join us at Azure/aks-engine!
Role in this project:
DevOps Engineer
DevOps EngineerContributions:34 commits, 25 PRs, 9 pushes in 8 months
Contributions summary:Jun primarily focused on managing and improving the configuration and structure of the Azure Container Service Engine project. Their contributions include reorganizing template files by orchestration type, updating references, and cleaning up addon logic. They also addressed CIS Kubernetes benchmark recommendations and made modifications to the API server configuration. The user's work included removing dependencies, and adjusting network configurations, and refining API models.
azure-aksazure-functionsaks-enginejoinazure
Azure/azure-cli
Feb 2020 - Mar 2021
Azure Command-Line Interface
Role in this project:Back-end & Cloud Engineer
Back-end & Cloud EngineerContributions:2 reviews, 7 commits, 10 PRs in 1 year 1 month
Contributions summary:Jun's contributions primarily focused on enhancing the Azure CLI's functionality related to Azure Kubernetes Service (AKS). This included addressing bugs in AKS monitoring, adding support for features like AAD session keys and node public IPs, and refactoring code. They also worked on implementing updates to load balancer configurations and refactoring supporting test code to align with API changes. The user's work involved interacting with the core ACS code base, and integration with cloud services.
command-line-interfacecloudazurecommand-lineazure-cli
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