Volodymyr Manzhola

Cybersecurity & Data Protection · System & Network Administration

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About MeI am an engineer who combines solid development skills with deep expertise in computer networks. I handle a wide range of technical tasks: from building Telegram bots and Python automation to configuring complex network infrastructure and managing servers.My approach is based on precision, speed, and a strong focus on results. I take on only those projects that I can deliver with full quality and attention. Every client receives a turnkey solution with clear explanations and an easy-to-use final result.Experience and Specializations• Developed Telegram bots for various businesses:…
Serhii Kravchenko

Linux & Unix · System & Network Administration

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Senior Infrastructure Engineer / System Administrator (10+ Years of Experience)I design, deploy, and maintain server environments and network infrastructure. I take full ownership of the technical stack: from basic VPS configuration to building secure VPN tunnels and automating daily operations. I work autonomously without the need for micromanagement.Core Competencies:• OS & Servers: Linux (Debian, Ubuntu, CentOS), Windows Server. • Virtualization: Proxmox VE, KVM, Docker. • Networking & Security: Routing (BGP, OSPF), VPN (WireGuard, OpenVPN, IPsec), MikroTik, Firewalls (iptables), DDoS…
Pavel Stetsenko

Windows · System & Network Administration

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166
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Hello! 18+ years of hands-on experience in IT, system administration, and corporate infrastructure support. My name is Pavel. I specialize in system administration, network technologies, business IT support, and maintenance of enterprise IT infrastructures. In 2007, I graduated from Ivan Franko National University of Lviv with a Master's degree in Organizational Management. I have also completed professional training courses in MikroTik and Cisco CCNA at Sedicom Academy. I started my IT career in 2007, providing computer hardware repair, maintenance, sales, and network equipment configuration…