Cristian Calin
System Architect at Kubespray project
Bucharest, Romania
Summary
🤩
Rockstar🎓
Top SchoolCristian Calin is a System Architect with 12 years of experience designing and operating cloud-native and virtualized infrastructures, from OpenStack production clouds to VMware and SAN-backed data centers. He has led cross-border engineering teams at Orange to deliver IaaS for 4G/5G networks and acted as an Amazon EC2/EBS SME within AWS support, blending deep hands-on troubleshooting with product and release leadership. As founder of SimpleKube and a maintainer of the popular kubespray project, he contributes automation, MetalLB/Calico/eBPF enhancements and OpenStack integrations that help deploy production-ready Kubernetes clusters. Skilled in Python and Ruby for tooling and observability, he couples systems-level knowledge (HP-UX, Solaris, Linux) with practical storage, networking and high-availability design. Based in Bucharest, he’s open to opportunities abroad and brings a track record of turning PoCs into multi-country production releases under tight timelines.
12 years of coding experience
15 years of employment as a software developer
BS, Economics and Computer Science, BS, Economics and Computer Science at Universitatea Româno-Americană din BucureștiPOLITEHNICA București National University for Science and TechnologyLiceul de Informatica Piatra Neamt
English, French
Stackoverflow
21reputation
3kreached
0answers
1question
Github Skills (22)
kubernetes10
cloud-infrastructure10
automation10
infrastructure10
automation-testing10
kubernetes-pods10
ansible10
ansible-galaxy10
automations10
devops10
calico10
dockers9
docker9
containerd8
terraform7
Programming languages (12)
Github contributions (5)
kubernetes-sigs/kubespray
Feb 2021 - Oct 2022
Deploy a Production Ready Kubernetes Cluster
Role in this project:
DevOps Engineer
DevOps EngineerContributions:277 reviews, 211 commits, 206 PRs in 1 year 8 months
Contributions summary:Cristian primarily contributed to the automation and configuration aspects of the Kubespray project. Their work included adding support for configuring cri-o, dropping support for older Calico versions, and renaming Ansible groups for better organization. They also made significant changes to support MetalLB and Calico advertisement of MetalLB LoadBalancer IPs, enabling eBPF support for Calico, and upgrading various components. Furthermore, they addressed issues related to OpenStack cloud controller, nodelocaldns, and Ansible upgrades.
bare-metalkubesprayhelmproduction-readyansible
cristicalin/setwall
Dec 2013 - Jan 2021
Wallpaper manager for Unity and Gnome 3
Contributions:197 commits, 2 PRs, 9 pushes in 7 years 2 months
gnome-shell-extensiongnomewallpaper-managerkaiosunity
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