Hidematsu Sueki
Senior Software Engineer at IBM
Raleigh, North Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolHidematsu Sueki is a Senior Software Engineer with nine years of experience designing and operating cloud-centric applications and build automation systems, currently based in Raleigh, NC. A long-tenured IBM engineer, he has progressed through technical leadership roles and focuses on smoothing continuous software lifecycles for large-scale Kubernetes and cloud deployments. He’s an active open-source contributor to prominent projects like OpenShift installer and Hypershift, where his work strengthened IBM Cloud support, security contexts, and cluster lifecycle automation. Comfortable across backend, DevOps, and infrastructure engineering, he has deep Terraform and IBM Cloud provider expertise—adding DNS, COS, and ALB-aware logic—and a practical knack for reducing cluster permissions and upgrade risk. Collected electrical and computer engineering training from NC State underpins his systems-first approach and attention to low-level configuration correctness.
9 years of coding experience
7 years of employment as a software developer
Bachelor’s Degree Computer Engineering, Bachelor’s Degree Computer Engineering at North Carolina State University
English, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
kubernetes10
apidoc10
ibm-cloud10
cloud-infrastructure10
terraform10
deployer10
terraformer10
automation10
infrastructure10
azure-deployment10
go10
openshift10
api10
kubernetes-pods10
automations10
Programming languages (5)
Github contributions (5)
openshift/hypershift
Jan 2022 - Jan 2023
Hyperscale OpenShift - clusters with hosted control planes
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:104 reviews, 23 commits, 71 PRs in 1 year
Contributions summary:Hidematsu's contributions primarily focused on modifying and extending the hypershift-operator, impacting the core functionality of OpenShift cluster management. Their work involved setting default security contexts for Kubernetes deployments, reducing CPO cluster permissions, and adhering to upgrade orders from kube version skew policy. Furthermore, the user implemented changes to support OLM catalog placement, disabled PodSecurity for OpenShift 4.10 and addressed several other fixes related to configuration and resource management.
openshift
openshift/installer
Apr 2021 - Mar 2022
Install an OpenShift 4.x cluster
Role in this project:Cloud Engineer / Infrastructure Engineer
Cloud Engineer / Infrastructure EngineerContributions:33 reviews, 35 commits, 15 PRs in 10 months
Contributions summary:Hidematsu's commits primarily focus on enhancing the IBM Cloud (ibmcloud) platform support within the OpenShift installer. They added features to handle Terraform stages, including network, bootstrap, and master configurations. The user also worked on updating security groups and rules, along with correcting various configurations like the cloud provider config and DNS settings for IBM Cloud deployments. Furthermore, the user made changes to support dedicated host configurations.
openshift
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