06/07/2026 updated


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DevOps-Engineer - Kubernetes Administrator (Rancher, OpenShift) - RHCA, RHCOA
Wrocław, Poland
Only remote
B.A. Spanisch und VolkswirtschaftslehreAbout me
DevOps Engineer passionate about Kubernetes, automation, and cloud-native technologies. I enjoy building reliable platforms and am currently looking for my next challenge.
Amazon Web ServicesCloud EngineeringDevOpsOpenShiftAnsibleGitLabGitlab-ciKubernetesRancherTerraformDocker
DevOps: Kubernetes (CKAD, CKA, CKS), Docker, GitLab, ArgoCD, Vault, Terraform, Ansible, Linux (RHEL und Ubuntu; Zertifizierungen: RHCSA, RHCE)
Programming: JavaScript, React, PHP, Python
Cloud: AWS (Cloud Practitioner, Solutions Architect Associate), STACKIT
My certifications can be found on https://www.credly.com/users/christoph-carnabuci
Worked in operational services:
- Updating and maintaining Rancher Kubernetes Clusters, GitLab Servers, Docker Environments.
- Provided 3rd-level-support, troubleshooting complex infrastructure issues and resolving escalated incidents.
- Worked within a Jira ticketing system, handling operational tasks, system updates, and incident management
- Currently developing expertise in Veeam and enterprise-level backup and restore solutions.
- Contributed to the deployment and operation of tools such as NeuVector, ArgoCD, and Cert-manager in STACKIT Kubernetes Engine Clusters
Worked in project business (Excerpt):
OpenShift Projects 2024/2025
- Installed OpenShift Clusters on Bare Metal (IPI) and vSphere (IPI).
- Environment maintenance including cluster updates, installing third-party operators, debugged issues and supported with OpenShift GitOps regarding configuration and best practices.
Kubernetes/GitOps Project 2024
- Configured ArgoCD for application deployments using Applications and ApplicationSets with gitgenerator.
- Integrated tools such as Hashicorp Vault, ArgoCD, External DNS Operator, and Harbor.
- Developed GitLab CI pipelines for container image creation.
- Containerized PHP and Node.js applications.
GitOps-Platform Project 2024
- Set up a Rancher Kubernetes Cluster and a downstream cluster.
- Deployed and configured Vault, ArgoCD, and AWX on the downstream cluster.
- Implemented Cilium as the CNI with Cilium Load Balancer.
- Configured ingress for cluster traffic management.
- Deployed the GitOps platform in Azure.
- Developed Custom Resource Definitions for the AWS Resource Operator
Languages
GermanNative speakerEnglishFluentItalianGoodPolishBasic knowledgeRussianBasic knowledgeSpanishGood
Project history
Betrieb von Rancher-Umgebungen.
- worked on a Configuration Tool (React, Redux)
- implemented an own openID client for
authorization and authentication
- created Dockerfiles for this Configuration Tool
(for development and production)
- implemented an own openID client for
authorization and authentication
- created Dockerfiles for this Configuration Tool
(for development and production)