Sergei Korepanov

• Standardized GitLab CI/CD pipelines across teams • Improved deployment reliability in Kubernetes environments • Introduced canary releases to reduce production risks • Designed reusable Helm-based deployment architecture • Built monitoring dashboards using Grafana and VictoriaMetrics • Automated certificate management across clusters Stack: Kubernetes, Docker, GitLab CI/CD, Helm, Terraform, Ansible, Vault, Grafana, Harbor, Nexus, Nginx, Bash, Python, Debian Linux

• Managed AKS and Yandex Managed Kubernetes clusters, including databases and storage workloads • Built and maintained cloud and on-prem infrastructure using Terraform and Helm • Owned CI/CD pipelines for multi-service Kubernetes platform environments • Containerized and deployed internal tooling including Harbor, Nexus, and MinIO • Implemented security controls aligned with ISO27001 / SOC2 requirements • Automated deployments and operational workflows using Bash scripting

• Maintained Windows and Linux server infrastructure ensuring availability and stability • Managed VMware virtual environments and backup systems (Veeam) • Implemented monitoring and alerting with Zabbix • Supported Active Directory, DNS, Office 365, and reverse proxy services • Automated routine operational tasks using Bash scripting