Red Rose Traveltech
Mar 2026 – Present
DevOps Engineer
B2B corporate travel platform, MixVel's subsidiary for the European market. All cloud infrastructure on Yandex Cloud via Terraform — VPCs, managed PostgreSQL, Redis, S3, DNS, CDN. GitLab CI/CD pipelines for multiple microservices: tests, Docker build, Helm deploy, commit to prod in under 5 minutes. Prometheus + Grafana aligned to SLO targets — 99.9%+ uptime on core booking APIs. n8n for ops automation: partner onboarding notifications, SLA breach escalations, Terraform drift alerts.
KubernetesTerraformGitLab CI/CDYandex CloudPrometheusGrafanan8n
MixVel
Aug 2025 – Present
DevOps Engineer
Built a FluxCD v2 hub-and-spoke GitOps platform: 1 hub cluster managing 5 spoke environments from a single git repository, zero configuration drift. Full data platform deployed via HelmReleases: Kafka, RabbitMQ, Cassandra, ClickHouse, MongoDB, Redis, MinIO. On-prem k3s + Cilium and Yandex Cloud Managed Kubernetes. APISIX ingress, Vault for secrets, Trivy Operator for security scanning. New cluster up from scratch in under 30 minutes via Ansible. n8n for ops automation: alert-to-Jira, FluxCD reconciliation digests, Slack deployment notifications.
FluxCDk3sCiliumAPISIXVaultKafkaGitLab CIn8n
Sirena-Travel
Aug 2022 – Sep 2025
DevOps Engineer
Migrated 500+ legacy VMs to Docker Swarm and Kubernetes, improving utilisation by 40%. Built GitLab CI/CD from scratch for Java/Python/PHP/.NET/C++ apps — deploy time from several hours to under 10 minutes. Unified monitoring with Prometheus (500+ nodes) and Grafana. Ansible automation for 500+ servers, zero configuration drift. MTTR: 120 min → 20 min.
KubernetesGitLab CIPrometheusAnsibleDocker
ADV/web-engineering
Feb 2021 – Aug 2022
DevOps Engineer
Managed hybrid infrastructure (on-premise + cloud) for web applications. Administered Proxmox/VMware clusters (50+ VMs), introduced Kubernetes for staging. Configured Nginx, HAProxy, PHP-FPM stacks. Upgraded monitoring from Zabbix to Prometheus/Grafana. Ansible automation, Python/Bash scripting.
ProxmoxKubernetesNginxPrometheusAnsible
TenderTech, ITkey
2017 – 2021
System Administrator
Linux/Windows system administration. Maintained on-premise servers, VMware/Hyper-V virtualization, networking (VLANs, VPN, firewalls). User support, backup management, Zabbix monitoring.
LinuxVMwareNetworkingZabbix