Alexey Liptsev - network administrator, software developer.

Have experience with Pascal, C++, C#, PHP, HTML, CSS, JS, SQL, Swift and English a little bit :)

Web development experience: news portals, database interaction interfaces, closed corporate systems, Telegram bots. Full-stack — from database design to frontend. Main stack: LAMP. Native development only; rarely worked with ready-made CMS.

Installation, configuration, administration, and monitoring of a Proxmox server cluster; VDS configuration and administration: Debian, Ubuntu, Astra Linux, ALT Linux, Windows Server 2016, 2019. Iptables, Apache, MySQL, MariaDB, PHP-FPM, git, nextcloud.

Actively working with Mikrotik networking hardware: multiple providers; subnets isolation; OVPN, EoIP and l2tp tunnels; CAPsMAN; LAN protection and remote access; monitoring and alerting.

Administration experience with small peer-to-peer and domain networks (up to 500 hosts): design, cabling, server and routing configuration, backup (Acronis), inventory (FusionInventory), monitoring (Zabbix, Dude), access control (AD), 802.1q, 802.1w.

Worked with various access control systems, video surveillance, office PBX, VoIP telephony (Asterisk, Grandstream).

Sometimes write applications for Windows and iOS. And sometimes it actually works :)

Sole proprietor — can sign a contract if needed. E-signatures.