James Luhrsen
Principal Software Engineer at Red Hat
Sacramento, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJames Luhrsen is a Principal Software Engineer with 11+ years of hands-on experience in networking, CI/CD, and test automation, currently based in Sacramento and working at Red Hat. He’s an expert in OpenShift and OVN Kubernetes tooling, contributing practical fixes and resiliency tests to widely used upstream projects and automating release pipelines for complex cloud-native deployments. Past roles span SDN and scalability testing at Cisco, HP, and Lumina, reflecting deep expertise in network operators, upgrade/debug tooling, and reliability engineering. An active OpenDaylight technical steering committee member and project lead, he combines long-term open source stewardship with day-to-day DevOps work. Notably, his contributions often focus on hardening network migration scripts, adding diagnostic debugging to Azure upgrade jobs, and introducing tests that simulate real-world control-plane failures—work that improves observability and operational robustness.
11 years of coding experience
24 years of employment as a software developer
California Polytechnic State University, San Luis ObispoBS, Computer Engineering, BS, Computer Engineering at Cal Poly San Luis Obispo
Github Skills (25)
continuous-deployment10
dependency-management10
kubernetes10
docker10
continuous-integration10
scripting10
testing10
cni10
dockers10
cicd10
automation10
script10
go10
openshift10
openshift-origin10
Programming languages (12)
Github contributions (5)
openshift/release
Nov 2020 - Jan 2023
Release tooling for OpenShift
Role in this project:
DevOps Engineer
DevOps EngineerContributions:198 reviews, 179 commits, 438 PRs in 2 years 3 months
Contributions summary:James primarily focuses on automating and maintaining the OpenShift release tooling, especially within the CI/CD pipeline. Their contributions include modifying scripts for cluster network CIDR expansion, adding tcpdump services to Azure upgrade jobs for debugging intermittent network issues, and hardening network migration scripts. They also worked on adjusting and improving must-gather commands and introduced changes to support day-2 configurations and testing of network features. The user's changes frequently modify shell scripts and configuration files related to CI/CD operations.
openshift
openshift/cluster-network-operator
Mar 2021 - Dec 2022
Create and manage cluster networking configuration
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:38 reviews, 25 commits, 118 PRs in 1 year 9 months
Contributions summary:James's primary contribution involves enhancing the cluster network operator. They implemented a feature to configure the local gateway mode, involving modifications to the `ovn_kubernetes.go` file and the `types.go` file. Furthermore, they were responsible for rebasing to version 1.25, which involved updating dependencies, specifically updating and getting the required packages. This demonstrates a focus on both application logic and dependency management/build processes.
networking
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