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VALERII KULIBCHENKO
DEVOPS ENGINEER
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Kyiv, Ukraine, remote Can work during blackouts thanks to laptop, power station and pon network

Linkedin GitHub

PROFILE
DevOps Engineer with over 6 years of IT infrastructure experience spanning system administration, ISP
network operations, and modern DevOps practices. Proven track record of building monitoring systems from
scratch, automating infrastructure tasks, and implementing security-first solutions (WireGuard isolation,
network-wide filtering). Experienced with Docker, Kubernetes, Helm, CI/CD pipelines (GitHub Actions,
GitLab CI), and self-hosted production-like environments on Proxmox. Passionate about reliability,
automation, and reducing manual operational overhead.

SKILLS
Hard skills: Continuous Integration and Deployment (CI/CD) | Infrastructure as Code (IaC) | Cloud
Computing (Azure, AWS) | Containerization (Docker, Kubernetes) | Monitoring (Prometheus, Grafana,
Zabbix, LibreNMS) | Scripting and Automation (Python, Bash, PowerShell) | Version Control (Git) |
Networking and Security | Database Management (MySQL) | Operating Systems (Linux, Windows)
Languages: English: Upper-Intermediate | Ukrainian: Native | Bulgarian: Advanced

PROFESSIONAL EXPERIENCE
08/2022 – 07/2026 IBnet, Network Engineer
Designed, deployed, and maintained ISP network infrastructure across Kyiv,
•

operating 2 core routers and 200+ L2 switches (MikroTik, Extreme, Edgecore)
Architected and configured network monitoring stack (Zabbix) from scratch,
•

enabling real-time detection of switch outages during daily power blackouts and
rapid response to battery failures across all network nodes
Engineered traffic balancing strategy between two upstream providers using
•

monitoring-driven decisions, preventing peak-hour saturation and maintaining
SLA for subscribers
Identified and resolved uplink bandwidth bottlenecks at partner peering points
•

through proactive monitoring, preventing service degradation
Designed and implemented network segmentation strategy: full isolation of
•

management subnet with WireGuard VPN as the sole access point, eliminating
exposure of critical infrastructure
Developed Python automation for switch configuration backups across 200+
•

devices, ensuring rapid recovery capability
Deployed cloud-based monitoring (LibreNMS on AWS EC2/VPC) for redundant
•

network visibility and high availability
Performed deep packet analysis (Wireshark, tcpdump) for troubleshooting
•

latency, bandwidth, and routing issues across the network

1/3
06/2019 – 08/2022 Dovzhenko Studio, System Administrator
Administered IT infrastructure for 30+ users across Windows
•

Server/Linux/macOS environments
Deployed and managed BAF and M.E.Doc servers, ensuring stable operation for
•

accounting and reporting workflows
Configured automated daily backups of accounting databases (BAF and M.E.Doc)
•

via Acronis, ensuring business continuity and data integrity
Set up and maintained video surveillance system with 30+ cameras, including
•

DVR configuration and storage management
Implemented secure remote access to workstations using VPN with firewall rules
•

and access control policies, preventing unauthorized connections
Managed Active Directory and Group Policy for 30+ users, streamlining
•

authentication and access management
Configured RAID and NAS storage systems to ensure data redundancy and
•

availability

08/2024 – present DevOps Portfolio Projects
Containerization-to-deployment pipeline for a Python/MySQL web application,
progressing through Docker → Kubernetes → CI/CD:
Dockerization — GitHub
Containerized a Python web application with MySQL using Docker Compose
•

(app + db services)
Configured Docker volumes for database persistence and externalized configs via
•

environment variables
Docker volumes Docker compose Docker externalize configs
Kubernetes & Helm — GitHub
Wrote a Helm chart from scratch for deployment on a local Kind cluster (4-5
•

nodes)
Implemented Deployment, Service, Ingress, Secrets and ConfigMap resources
•

within the chart
Kubernetes helm charts
CI/CD via GitHub Actions — GitHub
Built a multi-environment pipeline with separate stages for Development and
•

Staging using reusable workflows
Pipeline covers Docker image build, Helm CI validation, and automated
•

deployment using commit SHA as image version
CI/CD for deployment

01/2025 – Present Personal Home Lab
Deployed and maintain a self-hosted infrastructure on a mini PC running
•

Proxmox, managing 10+ LXC containers and VMs simultaneously
Configured Nginx Proxy Manager as a reverse proxy with automatic SSL
•

certificates via Let's Encrypt and DuckDNS
Self-hosted productivity and DevOps stack via Docker Compose and Portainer:
•

GitLab + GitLab Runner, Nextcloud + OnlyOffice, Immich, Vaultwarden
Deployed GitLab Runner for local CI/CD pipelines, enabling automated testing
•

and deployment of personal projects
Secured all external access through WireGuard VPN — no services exposed
•

directly to the internet
Replaced commercial remote access tools with a self-hosted RustDesk server for
•

secure remote desktop access
Deployed AdGuard Home as a network-wide DNS filter for all devices on the
•

local network

2/3
 EDUCATION
2011 – 2015 Bachelor Degree in Automation and Computer-Integrated Technologies,
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic
Institute"

COURSES
08/2024 – 02/2025 DevOps course , Mate academy
Git, Docker, Kubernetes, Azure, Terraform, Python, PowerShell, Bash, Ci-Cd,
MySQL, Prometheus, Grafana, Linux, GitHub Actions

Prometheus CS50

3/3