Inuits s.r.o.
Linux System Administrator
Dates 12/2021 - 12/2025
Site Brno
Description Core operations engineer specializing in CentOS, Ansible, Puppet, and containers. Worked on projects to build high-availability, next-generation database clusters using Patroni (PostgreSQL) and Xtradb (MySQL) with ProxySQL as a load balancer. Took full ownership and responsibility for maintaining existing Zimbra mail servers in HA setups, including planning and executing updates and security patches.
Project Big Data Store A standalone infrastructure project for an external customer, consisting of database clusters, a Nomad cluster, a Prometheus stack, OpenSearch, and a custom implementation of an open-source data ingestion and storage system. Everything was built on an OpenStack-based European cloud to ensure security and GDPR compliance.
Project Kubernetes A standalone infrastructure project for an external customer, featuring Kubernetes clusters on Telekom Cloud. Built from scratch using Infrastructure as Code (IaC) with fully developed deployment pipelines and workflows. The project included maintenance of the Kubernetes workload lifecycle, implementing new OpenTofu functionalities, Keycloak management, Mimir cluster, multiple Grafana deployments, GitHub Actions, and security scanning via Trivy.
OS Flavors CentOS, Alma Linux, Kubernetes (container orchestration).
Technologies Ansible, Puppet, Docker, KVM, vSphere, HAProxy, Traefik, Caddy, Nginx, Apache, Prometheus, Grafana, OpenSearch, Terraform, Zimbra, Keycloak.
Scripting & IaC Bash, Go, OpenTofu, Terraform, Puppet.