Yevgeny — jekasumy

System & Network Administration · Software & Server Configuration

Sumy, Ukraine

Professional system administration. Linux/Unix.

645

Elastix, MikoPBX) (TEMPORARILY NOT AVAILABLE) Routers: Mikrotik , All (Firmware OpenWRT, DD-WRT), hardware repair Billing systems for Internet Service Providers: Abills, Ubilling (building networks from scratch) Billing systems for hosting providers: BillManager, RootPanel, WHMCS Hosting panels: ISPManager, CPANEL, BrainyCP, VestaCP, ISPConfig, aaPanel, HestiaCP, FastPanel PON equipment (ONU, OLT): BDCOM Switches: Mikrotik…

Ihor — igortarmishov

Linux & Unix · Software & Server Configuration

Khmelnitskyi, Ukraine

Professional server administration. Maintenance of Linux/Unix/Windows servers. Protection and Security.

875

Andrii Kisil — kisiska

Software & Server Configuration · Linux & Unix

Kremenets, Ukraine

180

I have been working in IT since 2005. I started learning Linux/Unix in 2008 when I set up and configured the first two gateways (NAS) for more than 200 teachers and 2000 students. This time can be considered the beginning of my professional work in Linux and Windows administration. Skills: OS installation, configuration (iptables, samba. squid, squidguard, apache, php, Mysql, Nagios-Core, bind, dhcpd, RouteOS, mikrotik…

Oleh — whiskasking

System & Network Administration · Linux & Unix

Dnepr, Ukraine

…

Valentin Timchishin — valentyntymchyshyn

DevOps · Linux & Unix

Lvov, Ukraine

Roman — RomanOles

Linux & Unix · System & Network Administration

Lvov, Ukraine

Andrii Trofimchuk — andreit22

DevOps · Linux & Unix

Lvov, Ukraine

Roman — r_dem

System & Network Administration · Linux & Unix

Sumy, Ukraine

Ihor Lohvyn — irwin

Web Programming · Linux & Unix

Kyiv, Ukraine

Serhii Kravchenko — skravchenko-it

Linux & Unix · System & Network Administration

Kyiv, Ukraine

…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…