Hao Liu
Principal Software Engineer, Ansible Automation Controller
Raleigh, North Carolina, United States
Summary
👤
Senior🎓
Top SchoolHao Liu is a Principal Software Engineer at Red Hat with 13 years of experience building and scaling Kubernetes and cloud-native platforms, currently leading the Ansible Automation Controller team and contributing to AWX. He has a proven track record driving large technical initiatives—from increasing ACM’s managed cluster capacity from 50 to 1000+ and slashing memory/ETCD footprints, to integrating assisted-install and Hive for rapid, kube-native OpenShift provisioning. Skilled across the full delivery lifecycle, Hao blends customer advocacy, architecture, implementation, and CI/CD/test automation, and he founded TDD and test-automation practices that reduced release churn. An effective cross-organizational leader, he routinely unites engineering, QE and CICD teams to ship resilient systems for telco, edge and hybrid-cloud use cases. He also contributes to open-source testing tooling such as libvirt test suites and the avocado-vt plugin, where he focuses on backend, test infrastructure and build reliability. Bonus skill: he thrives on debugging the most intricate production issues and simplifying complex system behaviors.
13 years of coding experience
8 years of employment as a software developer
Master of Science (MS) Computer Engineer, Master of Science (MS) Computer Engineer at North Carolina State UniversityBachelor of Science (BS) Computer Engineering, Bachelor of Science (BS) Computer Engineering at Louisiana State University
Github Skills (13)
libvirt10
git10
python10
test-automation10
testing10
qemu9
shell8
script8
linux8
sh8
documentation8
scripting8
networking7
Programming languages (1)
Github contributions (5)
autotest/tp-libvirt
Nov 2013 - Dec 2016
Test Provider for Libvirt and related virtualization backends
Role in this project:
Back-end & Test Automation Engineer
Back-end & Test Automation EngineerContributions:141 commits, 86 PRs, 35 pushes in 3 years 1 month
Contributions summary:Hao primarily contributes to the testing infrastructure of the libvirt test suite. Their work includes identifying and fixing bugs related to media handling and vcpucount features, as well as adding new test cases for functionality such as network configuration, snapshotting, and controller devices. The user is also involved in ensuring proper cleanup after testing and adapting the tests to changes in qemu and libvirt configurations. Key contributions involve the setup, verification, and maintenance of the testing environment.
pythonprovidertestinglibvirtbackends
avocado-framework/avocado-vt
Sep 2015 - Mar 2017
Avocado VT Plugin
Role in this project:Backend Developer & Automation Engineer
Backend Developer & Automation EngineerContributions:29 commits, 31 PRs, 14 pushes in 1 year 6 months
Contributions summary:Hao's primary focus was on maintaining and improving the `avocado-vt` plugin, specifically addressing deprecated functions and updating dependencies. They made extensive code changes, including refactoring and deprecating functions in `utils_misc` and updating references to `path.find_command`. Additionally, they corrected issues in test setup and documentation, as well as improving build processes to ensure correct operation. The user demonstrated proficiency in managing build and deployment aspects.
plugin
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