Warren Mitchell
Senior Software Engineer at Red Hat
Raleigh, North Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolWarren Mitchell is a Senior Software Engineer with 13 years of experience based in Raleigh, North Carolina, and a long tenure at Red Hat progressing from technical support to senior engineering roles. He specializes in backend, DevOps, and test automation for large-scale distributed storage systems, with notable open-source contributions to Ceph projects like ocs-ci and teuthology. His work focuses on improving test infrastructure resilience and scalability—adding end-to-end and scale tests, handling edge cases like midnight time calculations, and fixing platform-specific reliability issues. Comfortable across Linux kernel support, CI/CD, and automated verification, he brings pragmatic systems thinking to complex operational problems. Colleagues find him detail-oriented and effective at turning flaky testbeds into dependable validation pipelines. He holds a B.S. in Computer Science from Appalachian State University and combines production support experience with deep hands-on engineering in open-source storage tooling.
13 years of coding experience
4 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Appalachian State University
English, Japanese
Github Skills (15)
ceph10
kubernetes10
docker10
pytest10
python10
dockers10
kubernetes-pods10
test-automation10
ansible9
automation9
automations9
ansible-galaxy9
git9
yaml8
build-automation6
Programming languages (4)
Github contributions (5)
red-hat-storage/ocs-ci
Feb 2020 - Aug 2021
Role in this project:
DevOps Engineer & Test Automation Engineer
DevOps Engineer & Test Automation EngineerContributions:147 reviews, 36 commits, 70 PRs in 1 year 6 months
Contributions summary:Warren primarily contributed to enhancing the testing infrastructure and automating various aspects of the Ceph storage system within the repository. Their work included adding end-to-end tests for Couchbase, implementing scale tests for PVC creation and deletion, and integrating test hooks for specific platforms. They also addressed file descriptor issues and increased timeout values within scale tests to improve the reliability and efficiency of the automated testing framework. Furthermore, the user added features like log duration times and implemented code to ensure that tests would correctly calculate time on midnight changes.
ceph/teuthology
Apr 2016 - Apr 2018
Ceph test suite
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:35 commits, 20 PRs, 108 pushes in 2 years
Contributions summary:Warren primarily contributed to the `teuthology` test suite, addressing bugs and implementing new features. They fixed issues related to path filtering and role resolution, enhancing the suite's reliability. The user also added functionality, such as the implementation of the `installer.0` role and the random YAML selection feature, demonstrating an understanding of the system's architecture and configuration. Furthermore, they added unit tests for the new features.
ceph
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