Corey O'brien
Director Of Engineering Infrastructure at Wisetack
United States
Summary
🤩
Rockstar🎓
Top SchoolCorey O'Brien is a seasoned engineering leader with 11 years of experience building and scaling cloud-native infrastructure, currently serving as Director of Engineering Infrastructure at Wisetack. He has progressed from firmware and QA roles to SRE and engineering leadership at Fairwinds and CB Insights, combining deep operational expertise with people management. A hands-on DevOps practitioner, Corey has contributed to notable open-source projects like OpenStack Magnum and Fairwinds' rbac-manager, improving test infrastructure and Kubernetes RBAC tooling to accelerate provisioning and simplify service account management. He’s known for reducing toil through pragmatic automation and improving testability outside traditional environments—a detail that reflects his focus on enabling engineering velocity as well as reliability. Corey holds a BS in Computer Science and Mathematics from the University of Kentucky and brings a rare mix of long-term systems experience and modern cloud-native practice.
11 years of coding experience
14 years of employment as a software developer
BS Computer Science; Mathematics, BS Computer Science; Mathematics at University of Kentucky
English
Stackoverflow
1,951reputation
503kreached
30answers
0questions
kubernetes
top-5%
cron
top-5%
Github Skills (29)
rbac10
kubernetes10
docker10
python10
servicenow10
service-account10
dockers10
cicd10
kubernetes-pods10
devops10
testing9
cron9
bash9
yaml9
automated-tests9
Programming languages (13)
Github contributions (5)
FairwindsOps/rbac-manager
Mar 2018 - May 2019
A Kubernetes operator that simplifies the management of Role Bindings and Service Accounts.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:11 commits, 8 PRs, 15 pushes in 1 year 2 months
Contributions summary:Corey contributed to the project by adding new features, fixing bugs, and improving functionality related to managing Kubernetes RBAC resources. They added support for deleting RBACDefinitions, fixed service account subject binding and added functionality to create and manage service accounts. Furthermore, the user developed a script to generate kubeconfigs for service accounts.
authorizationfairwinds-officialrbacoperatorkubernetes
openstack/magnum
Jan 2016 - Feb 2017
Container Infrastructure Management Service for OpenStack. Mirror of code maintained at opendev.org.
Role in this project:DevOps Engineer
DevOps EngineerContributions:12 commits in 1 year 1 month
Contributions summary:Corey primarily focused on improving the functional testing infrastructure and enabling testing outside of the devstack environment. Their contributions included updates to documentation, configuration improvements, and the addition of configuration options for running tests without relying on the service catalog. They also made modifications to address gate issues and reduced provisioning time by removing dependencies. Furthermore, they addressed code formatting issues.
containersinfrastructureinfrastructure-managementopenshiftservice-management
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