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andsyrovatko/README.md

Hi there, I'm Andrii! ๐Ÿ‘‹

CTO & Senior Lead Infrastructure Engineer ๐Ÿ› ๏ธ

With over 13 years of experience in the ISP industry, I focus on building resilient network architectures, automating infrastructure, and leading technical teams toward 99.9% uptime excellence.

๐Ÿš€ Professional Focus

  • Infrastructure: Expert in BGP, OSPF, and high-availability Linux/FreeBSD systems.
  • Automation: Passionate about reducing "firefighting" through Bash, Python, and Infrastructure as Code.
  • Leadership: Strategic planning, CTO governance, and mentoring engineering teams.

๐ŸŽฎ Beyond the Server Room

  • Game Dev: Currently exploring software architecture and stylized 3D graphics using Unreal Engine 4/5 and C++.
  • Craftsmanship: Enjoy working with wood (electric guitars) and blacksmithing.

๐Ÿ› ๏ธ Tech Stack & Tools

  • OS: Linux (Debian, LMDE), FreeBSD, Windows Server.
  • DevOps: Docker, Proxmox (PVE/PBS), Git/GitLab, Ansible.
  • Languages: Bash (Expert), Python & C++ (Deepening), SQL (PostgreSQL).

๐Ÿ›  Key Projects & Toolsets

  • S4K Admin Toolbox โ€” My primary collection of battle-tested automation scripts (Networking, Backup, System Management).
  • Modbus Relay Controller โ€” Dedicated Python tool for industrial automation and hardware control.
  • PVE Rsync Backup Pro (Bash) โ€” High-precision backup automation for Proxmox VE. Uses real-time log parsing to identify snapshots, handles rsync transfers with atomic file lists, and includes safety-first remote cleanup logi

๐ŸŒ Languages

  • Ukrainian & Russian: Native/C2.
  • English: B1/B2 (Professional Working Proficiency).
  • Polish: A1 (Learning).
  • Spanish: Future goal!.

๐Ÿ“ซ Let's Connect

  • LinkedIn: [andsyrovatko]
  • Location: Based in Dnipro, Ukraine ๐Ÿ‡บ๐Ÿ‡ฆ

"I value economic feasibility and rational problem solving over obsessive technology updates."

Pinned Loading

  1. s4k-admin-toolbox s4k-admin-toolbox Public

    S4K Admin Toolbox: Battle-tested scripts, automation tools, and network utilities for DevOps and SysAdmins.

    Shell 1

  2. s4k-modbus-relay-controller s4k-modbus-relay-controller Public

    Cross-platform low-level Python control for ETH/PoE Modbus relays (Waveshare). Zero-dependency, portable, and production-ready.

    Python

  3. s4k-psql-db-backuper s4k-psql-db-backuper Public

    PostgreSQL backup automation script using pg_basebackup with NFS support, Telegram/Email alerts, and retention policy.

    Shell

  4. s4k-pve-rsync-backup s4k-pve-rsync-backup Public

    Surgical Proxmox VE backup automation. Extracts exact snapshot paths via log parsing, transfers images via Rsync, and performs verified remote cleanup. No more guessing by date.

    Shell