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👨💻 About Me
Site Reliability Engineer / DevOps with 11+ years of hands-on experience operating and automating high-load, mission-critical infrastructure at scale.
- 🏗️ Infrastructure at scale: 100,000+ VPS · 10,000+ dedicated servers · multi-region AWS
- 🔐 Background in Information Security (Zaporizhzhia National Technical University)
- ⚡ Focus areas: high-load systems, automation, cost optimization, secure network architecture
- 🌍 Based in Ukraine
🎯 Key Achievements
| Area | Impact |
|---|---|
| 🛡️ Reliability | Designed fault-tolerant infrastructure supporting 99.9%+ uptime across multi-region deployments |
| ⚙️ Automation | Codified infrastructure with Terraform + Ansible/Chef, cutting manual provisioning from hours to minutes |
| 📈 Scale | Operated fleets of 100k+ VPS and 10k+ dedicated servers under continuous load |
| 💰 Cost optimization | AWS spend reduction through right-sizing, spot instances, and reserved capacity planning |
| 🔒 Security | Hardened network perimeters, IAM policies, secrets management, and compliance controls |
📈 Career Timeline
🛠️ Tech Stack
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☁️ Cloud & Infrastructure
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🔧 Infrastructure as Code
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📦 Containers & Orchestration
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🐧 Operating Systems
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🚀 CI/CD & Automation
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📊 Observability & Storage
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🌐 Networking & VPN Protocols
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💻 Scripting & Tools
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🔐 Security
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🧑💻 Application Runtimes I Operate in Production
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📜 Certifications
| Course | Provider | Date | Score | Verify | |
|---|---|---|---|---|---|
| 🐧 | Linux System Administration | ITEA Academy | Jul 2023 |  |
№ 4020425002 |
| ⚙️ | DevOps | ITEA Academy | Dec 2023 |  |
№ 4010324007 |
🏗️ Infrastructure Architecture
Design principles I follow:
- 🔁 Multi-region by default — active-active where possible, active-passive with DNS failover where required
- 💾 Immutable backups — automated snapshots + cross-region replication + periodic restore drills
- 📜 Git as single source of truth — every production change goes through a reviewed commit
- 📊 SLO-driven operations — error budgets, burn-rate alerts, post-mortems for every incident
⚡ Daily Workflow
🐍 Contribution Activity
